./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/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_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:48:14,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:48:14,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:48:14,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:48:14,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:48:14,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:48:14,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:48:14,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:48:14,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:48:14,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:48:14,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:48:14,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:48:14,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:48:14,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:48:14,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:48:14,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:48:14,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:48:14,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:48:14,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:48:14,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:48:14,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:48:14,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:48:14,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:48:14,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:48:14,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:48:14,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:48:14,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:48:14,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:48:14,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:48:14,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:48:14,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:48:14,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:48:14,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:48:14,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:48:14,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:48:14,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:48:14,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:48:14,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:48:14,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:48:14,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:48:14,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:48:14,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:48:14,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:48:14,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:48:14,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:48:14,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:48:14,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:48:14,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:48:14,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:48:14,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:48:14,357 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:48:14,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:48:14,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:48:14,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:48:14,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:48:14,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:48:14,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:48:14,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:48:14,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:48:14,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:48:14,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:48:14,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:48:14,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:48:14,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:48:14,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:48:14,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:48:14,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:48:14,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:48:14,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:48:14,361 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:48:14,361 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:48:14,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:48:14,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:48:14,361 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_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2021-12-06 22:48:14,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:48:14,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:48:14,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:48:14,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:48:14,565 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:48:14,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/../../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 [2021-12-06 22:48:14,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data/df8b4c19d/63fc462cb4ac47948c6be053bcb3a8bb/FLAG128222f27 [2021-12-06 22:48:15,267 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:48:15,268 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/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 [2021-12-06 22:48:15,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data/df8b4c19d/63fc462cb4ac47948c6be053bcb3a8bb/FLAG128222f27 [2021-12-06 22:48:15,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data/df8b4c19d/63fc462cb4ac47948c6be053bcb3a8bb [2021-12-06 22:48:15,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:48:15,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:48:15,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:48:15,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:48:15,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:48:15,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:48:15" (1/1) ... [2021-12-06 22:48:15,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453b0245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:15, skipping insertion in model container [2021-12-06 22:48:15,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:48:15" (1/1) ... [2021-12-06 22:48:15,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:48:15,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:48:16,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/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] [2021-12-06 22:48:17,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:48:17,534 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:48:17,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/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] [2021-12-06 22:48:17,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:48:17,855 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:48:17,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17 WrapperNode [2021-12-06 22:48:17,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:48:17,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:48:17,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:48:17,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:48:17,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:17,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:18,088 INFO L137 Inliner]: procedures = 239, calls = 2983, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 5266 [2021-12-06 22:48:18,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:48:18,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:48:18,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:48:18,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:48:18,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:18,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:18,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:18,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:18,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:18,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:18,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:18,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:48:18,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:48:18,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:48:18,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:48:18,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (1/1) ... [2021-12-06 22:48:18,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:48:18,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:48:18,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:48:18,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:48:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2021-12-06 22:48:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2021-12-06 22:48:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2021-12-06 22:48:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2021-12-06 22:48:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2021-12-06 22:48:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2021-12-06 22:48:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-06 22:48:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-06 22:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 22:48:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 22:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-06 22:48:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-06 22:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2021-12-06 22:48:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2021-12-06 22:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2021-12-06 22:48:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2021-12-06 22:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2021-12-06 22:48:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2021-12-06 22:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:48:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:48:18,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-06 22:48:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-06 22:48:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2021-12-06 22:48:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2021-12-06 22:48:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2021-12-06 22:48:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2021-12-06 22:48:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 22:48:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 22:48:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-06 22:48:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-06 22:48:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 22:48:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 22:48:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:48:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:48:18,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:48:18,387 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 22:48:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-06 22:48:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2021-12-06 22:48:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2021-12-06 22:48:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2021-12-06 22:48:18,388 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:48:18,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:48:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2021-12-06 22:48:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2021-12-06 22:48:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2021-12-06 22:48:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2021-12-06 22:48:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2021-12-06 22:48:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2021-12-06 22:48:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 22:48:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 22:48:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 22:48:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 22:48:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 22:48:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 22:48:18,389 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-12-06 22:48:18,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-12-06 22:48:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 22:48:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 22:48:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-06 22:48:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-06 22:48:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 22:48:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 22:48:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2021-12-06 22:48:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2021-12-06 22:48:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-06 22:48:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-06 22:48:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 22:48:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 22:48:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 22:48:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 22:48:18,390 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2021-12-06 22:48:18,390 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2021-12-06 22:48:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2021-12-06 22:48:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2021-12-06 22:48:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2021-12-06 22:48:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2021-12-06 22:48:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:48:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2021-12-06 22:48:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2021-12-06 22:48:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2021-12-06 22:48:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2021-12-06 22:48:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-06 22:48:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-06 22:48:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:48:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:48:18,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-06 22:48:18,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-06 22:48:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 22:48:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 22:48:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-06 22:48:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-06 22:48:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 22:48:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 22:48:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2021-12-06 22:48:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2021-12-06 22:48:18,392 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2021-12-06 22:48:18,392 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2021-12-06 22:48:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-06 22:48:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-06 22:48:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:48:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:48:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:48:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:48:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:48:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2021-12-06 22:48:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2021-12-06 22:48:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-06 22:48:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-06 22:48:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:48:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2021-12-06 22:48:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2021-12-06 22:48:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-06 22:48:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-06 22:48:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 22:48:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 22:48:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:48:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 22:48:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 22:48:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:48:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 22:48:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 22:48:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 22:48:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 22:48:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-06 22:48:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-06 22:48:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 22:48:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 22:48:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2021-12-06 22:48:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2021-12-06 22:48:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 22:48:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 22:48:18,399 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-12-06 22:48:18,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-12-06 22:48:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-06 22:48:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-06 22:48:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:48:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2021-12-06 22:48:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2021-12-06 22:48:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:48:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:48:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-06 22:48:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-06 22:48:18,836 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:48:18,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:48:19,058 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 22:48:26,951 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:48:26,966 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:48:26,966 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 22:48:26,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:48:26 BoogieIcfgContainer [2021-12-06 22:48:26,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:48:26,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:48:26,970 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:48:26,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:48:26,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:48:15" (1/3) ... [2021-12-06 22:48:26,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0c5792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:48:26, skipping insertion in model container [2021-12-06 22:48:26,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:48:17" (2/3) ... [2021-12-06 22:48:26,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0c5792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:48:26, skipping insertion in model container [2021-12-06 22:48:26,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:48:26" (3/3) ... [2021-12-06 22:48:26,975 INFO L111 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 [2021-12-06 22:48:26,978 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:48:26,979 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:48:27,020 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:48:27,025 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:48:27,025 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:48:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 1340 states, 975 states have (on average 1.3876923076923078) internal successors, (1353), 999 states have internal predecessors, (1353), 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) [2021-12-06 22:48:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-06 22:48:27,071 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:48:27,072 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:48:27,072 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:48:27,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:48:27,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1941045880, now seen corresponding path program 1 times [2021-12-06 22:48:27,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:48:27,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895559650] [2021-12-06 22:48:27,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:48:27,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:48:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:48:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:48:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:48:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:48:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:48:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:48:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:48:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:48:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:48:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:48:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-12-06 22:48:27,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:48:27,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895559650] [2021-12-06 22:48:27,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895559650] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:48:27,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:48:27,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:48:27,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641375300] [2021-12-06 22:48:27,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:48:27,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:48:27,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:48:27,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:48:27,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:48:27,747 INFO L87 Difference]: Start difference. First operand has 1340 states, 975 states have (on average 1.3876923076923078) internal successors, (1353), 999 states have internal predecessors, (1353), 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) [2021-12-06 22:48:33,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:48:35,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:48:37,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:48:39,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:48:40,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:48:40,557 INFO L93 Difference]: Finished difference Result 4269 states and 6520 transitions. [2021-12-06 22:48:40,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:48:40,559 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 [2021-12-06 22:48:40,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:48:40,589 INFO L225 Difference]: With dead ends: 4269 [2021-12-06 22:48:40,589 INFO L226 Difference]: Without dead ends: 2916 [2021-12-06 22:48:40,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:48:40,601 INFO L933 BasicCegarLoop]: 2148 mSDtfsCounter, 2904 mSDsluCounter, 3482 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 1572 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3159 SdHoareTripleChecker+Valid, 5630 SdHoareTripleChecker+Invalid, 3715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1572 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:48:40,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3159 Valid, 5630 Invalid, 3715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1572 Valid, 2139 Invalid, 4 Unknown, 0 Unchecked, 12.5s Time] [2021-12-06 22:48:40,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2916 states. [2021-12-06 22:48:40,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2916 to 2602. [2021-12-06 22:48:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2602 states, 1902 states have (on average 1.3796004206098844) internal successors, (2624), 1936 states have internal predecessors, (2624), 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) [2021-12-06 22:48:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 3757 transitions. [2021-12-06 22:48:40,780 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 3757 transitions. Word has length 80 [2021-12-06 22:48:40,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:48:40,781 INFO L470 AbstractCegarLoop]: Abstraction has 2602 states and 3757 transitions. [2021-12-06 22:48:40,781 INFO L471 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) [2021-12-06 22:48:40,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3757 transitions. [2021-12-06 22:48:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-06 22:48:40,788 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:48:40,789 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:48:40,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:48:40,789 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:48:40,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:48:40,790 INFO L85 PathProgramCache]: Analyzing trace with hash -227298957, now seen corresponding path program 1 times [2021-12-06 22:48:40,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:48:40,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922481485] [2021-12-06 22:48:40,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:48:40,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:48:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:48:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:48:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:48:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:48:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:48:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:48:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:48:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:48:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:48:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:48:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:48:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:48:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-06 22:48:41,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:48:41,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922481485] [2021-12-06 22:48:41,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922481485] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:48:41,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:48:41,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:48:41,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882771897] [2021-12-06 22:48:41,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:48:41,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:48:41,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:48:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:48:41,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:48:41,196 INFO L87 Difference]: Start difference. First operand 2602 states and 3757 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) [2021-12-06 22:48:48,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:48:50,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:48:52,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:48:54,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:48:55,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:48:55,524 INFO L93 Difference]: Finished difference Result 8375 states and 12441 transitions. [2021-12-06 22:48:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:48:55,525 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 [2021-12-06 22:48:55,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:48:55,556 INFO L225 Difference]: With dead ends: 8375 [2021-12-06 22:48:55,556 INFO L226 Difference]: Without dead ends: 5787 [2021-12-06 22:48:55,564 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:48:55,565 INFO L933 BasicCegarLoop]: 2096 mSDtfsCounter, 3000 mSDsluCounter, 7293 mSDsCounter, 0 mSdLazyCounter, 2978 mSolverCounterSat, 1573 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 9389 SdHoareTripleChecker+Invalid, 4555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1573 IncrementalHoareTripleChecker+Valid, 2978 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:48:55,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3262 Valid, 9389 Invalid, 4555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1573 Valid, 2978 Invalid, 4 Unknown, 0 Unchecked, 14.0s Time] [2021-12-06 22:48:55,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5787 states. [2021-12-06 22:48:55,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5787 to 5197. [2021-12-06 22:48:55,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5197 states, 3803 states have (on average 1.3807520378648435) internal successors, (5251), 3873 states have internal predecessors, (5251), 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) [2021-12-06 22:48:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 7517 transitions. [2021-12-06 22:48:55,768 INFO L78 Accepts]: Start accepts. Automaton has 5197 states and 7517 transitions. Word has length 96 [2021-12-06 22:48:55,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:48:55,769 INFO L470 AbstractCegarLoop]: Abstraction has 5197 states and 7517 transitions. [2021-12-06 22:48:55,769 INFO L471 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) [2021-12-06 22:48:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 5197 states and 7517 transitions. [2021-12-06 22:48:55,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-12-06 22:48:55,778 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:48:55,778 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:48:55,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:48:55,779 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:48:55,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:48:55,779 INFO L85 PathProgramCache]: Analyzing trace with hash 415887363, now seen corresponding path program 1 times [2021-12-06 22:48:55,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:48:55,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313703310] [2021-12-06 22:48:55,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:48:55,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:48:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:48:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:48:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:48:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:48:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:48:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:48:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:48:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:48:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:48:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:48:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 22:48:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:48:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:48:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:48:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-06 22:48:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-06 22:48:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-06 22:48:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:48:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-12-06 22:48:56,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:48:56,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313703310] [2021-12-06 22:48:56,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313703310] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:48:56,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:48:56,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:48:56,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119961347] [2021-12-06 22:48:56,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:48:56,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:48:56,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:48:56,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:48:56,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:48:56,191 INFO L87 Difference]: Start difference. First operand 5197 states and 7517 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) [2021-12-06 22:49:02,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:04,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:06,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:49:06,439 INFO L93 Difference]: Finished difference Result 13329 states and 19600 transitions. [2021-12-06 22:49:06,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:49:06,440 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 [2021-12-06 22:49:06,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:49:06,481 INFO L225 Difference]: With dead ends: 13329 [2021-12-06 22:49:06,481 INFO L226 Difference]: Without dead ends: 8156 [2021-12-06 22:49:06,494 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:49:06,495 INFO L933 BasicCegarLoop]: 1952 mSDtfsCounter, 1270 mSDsluCounter, 4079 mSDsCounter, 0 mSdLazyCounter, 2742 mSolverCounterSat, 537 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1420 SdHoareTripleChecker+Valid, 6031 SdHoareTripleChecker+Invalid, 3281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 2742 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:49:06,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1420 Valid, 6031 Invalid, 3281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [537 Valid, 2742 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2021-12-06 22:49:06,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8156 states. [2021-12-06 22:49:06,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8156 to 7456. [2021-12-06 22:49:06,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7456 states, 5495 states have (on average 1.3777979981801638) internal successors, (7571), 5581 states have internal predecessors, (7571), 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) [2021-12-06 22:49:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7456 states to 7456 states and 10707 transitions. [2021-12-06 22:49:06,768 INFO L78 Accepts]: Start accepts. Automaton has 7456 states and 10707 transitions. Word has length 144 [2021-12-06 22:49:06,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:49:06,769 INFO L470 AbstractCegarLoop]: Abstraction has 7456 states and 10707 transitions. [2021-12-06 22:49:06,769 INFO L471 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) [2021-12-06 22:49:06,769 INFO L276 IsEmpty]: Start isEmpty. Operand 7456 states and 10707 transitions. [2021-12-06 22:49:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-06 22:49:06,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:49:06,774 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:49:06,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:49:06,774 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:49:06,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:49:06,775 INFO L85 PathProgramCache]: Analyzing trace with hash -2082112872, now seen corresponding path program 1 times [2021-12-06 22:49:06,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:49:06,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717421681] [2021-12-06 22:49:06,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:49:06,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:49:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:49:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:49:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:49:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:49:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:49:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:49:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:49:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:49:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:49:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:49:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 22:49:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 22:49:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:49:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 22:49:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:49:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:49:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 22:49:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 22:49:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:07,143 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-06 22:49:07,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:49:07,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717421681] [2021-12-06 22:49:07,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717421681] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:49:07,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:49:07,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:49:07,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187453527] [2021-12-06 22:49:07,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:49:07,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:49:07,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:49:07,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:49:07,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:49:07,145 INFO L87 Difference]: Start difference. First operand 7456 states and 10707 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) [2021-12-06 22:49:13,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:15,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:17,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:19,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:21,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:23,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:49:23,385 INFO L93 Difference]: Finished difference Result 19699 states and 28876 transitions. [2021-12-06 22:49:23,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:49:23,386 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 [2021-12-06 22:49:23,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:49:23,440 INFO L225 Difference]: With dead ends: 19699 [2021-12-06 22:49:23,441 INFO L226 Difference]: Without dead ends: 12278 [2021-12-06 22:49:23,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:49:23,458 INFO L933 BasicCegarLoop]: 2794 mSDtfsCounter, 2526 mSDsluCounter, 5139 mSDsCounter, 0 mSdLazyCounter, 3390 mSolverCounterSat, 1741 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2743 SdHoareTripleChecker+Valid, 7933 SdHoareTripleChecker+Invalid, 5136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1741 IncrementalHoareTripleChecker+Valid, 3390 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:49:23,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2743 Valid, 7933 Invalid, 5136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1741 Valid, 3390 Invalid, 5 Unknown, 0 Unchecked, 15.9s Time] [2021-12-06 22:49:23,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12278 states. [2021-12-06 22:49:23,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12278 to 10906. [2021-12-06 22:49:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10906 states, 8002 states have (on average 1.3759060234941265) internal successors, (11010), 8150 states have internal predecessors, (11010), 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) [2021-12-06 22:49:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10906 states to 10906 states and 15612 transitions. [2021-12-06 22:49:23,856 INFO L78 Accepts]: Start accepts. Automaton has 10906 states and 15612 transitions. Word has length 156 [2021-12-06 22:49:23,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:49:23,857 INFO L470 AbstractCegarLoop]: Abstraction has 10906 states and 15612 transitions. [2021-12-06 22:49:23,857 INFO L471 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) [2021-12-06 22:49:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 10906 states and 15612 transitions. [2021-12-06 22:49:23,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-06 22:49:23,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:49:23,868 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:49:23,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:49:23,868 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:49:23,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:49:23,869 INFO L85 PathProgramCache]: Analyzing trace with hash 347899775, now seen corresponding path program 1 times [2021-12-06 22:49:23,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:49:23,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915079331] [2021-12-06 22:49:23,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:49:23,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:49:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:49:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:49:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:49:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:49:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:49:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:49:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:49:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:49:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:49:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:49:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:49:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:49:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:49:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:49:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:49:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:49:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:49:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:49:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 22:49:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:24,326 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-12-06 22:49:24,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:49:24,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915079331] [2021-12-06 22:49:24,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915079331] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:49:24,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:49:24,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:49:24,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351894768] [2021-12-06 22:49:24,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:49:24,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:49:24,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:49:24,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:49:24,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:49:24,327 INFO L87 Difference]: Start difference. First operand 10906 states and 15612 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) [2021-12-06 22:49:29,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:31,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:32,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:49:32,634 INFO L93 Difference]: Finished difference Result 23018 states and 33604 transitions. [2021-12-06 22:49:32,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:49:32,634 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 [2021-12-06 22:49:32,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:49:32,667 INFO L225 Difference]: With dead ends: 23018 [2021-12-06 22:49:32,667 INFO L226 Difference]: Without dead ends: 12151 [2021-12-06 22:49:32,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:49:32,690 INFO L933 BasicCegarLoop]: 1830 mSDtfsCounter, 647 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 677 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 5246 SdHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 677 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:49:32,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [693 Valid, 5246 Invalid, 2240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [677 Valid, 1561 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2021-12-06 22:49:32,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12151 states. [2021-12-06 22:49:32,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12151 to 10914. [2021-12-06 22:49:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10914 states, 8010 states have (on average 1.3750312109862672) internal successors, (11014), 8158 states have internal predecessors, (11014), 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) [2021-12-06 22:49:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10914 states to 10914 states and 15616 transitions. [2021-12-06 22:49:33,030 INFO L78 Accepts]: Start accepts. Automaton has 10914 states and 15616 transitions. Word has length 168 [2021-12-06 22:49:33,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:49:33,030 INFO L470 AbstractCegarLoop]: Abstraction has 10914 states and 15616 transitions. [2021-12-06 22:49:33,031 INFO L471 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) [2021-12-06 22:49:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 10914 states and 15616 transitions. [2021-12-06 22:49:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-06 22:49:33,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:49:33,042 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:49:33,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:49:33,042 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:49:33,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:49:33,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1038303619, now seen corresponding path program 1 times [2021-12-06 22:49:33,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:49:33,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945517237] [2021-12-06 22:49:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:49:33,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:49:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:49:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:49:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:49:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:49:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:49:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:49:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:49:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:49:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:49:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:49:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:49:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:49:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:49:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:49:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:49:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:49:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:49:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:49:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 22:49:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-12-06 22:49:33,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:49:33,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945517237] [2021-12-06 22:49:33,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945517237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:49:33,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:49:33,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:49:33,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622312400] [2021-12-06 22:49:33,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:49:33,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:49:33,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:49:33,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:49:33,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:49:33,610 INFO L87 Difference]: Start difference. First operand 10914 states and 15616 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) [2021-12-06 22:49:40,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:42,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:43,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:49:43,515 INFO L93 Difference]: Finished difference Result 22954 states and 33512 transitions. [2021-12-06 22:49:43,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:49:43,516 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 [2021-12-06 22:49:43,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:49:43,549 INFO L225 Difference]: With dead ends: 22954 [2021-12-06 22:49:43,549 INFO L226 Difference]: Without dead ends: 12079 [2021-12-06 22:49:43,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:49:43,578 INFO L933 BasicCegarLoop]: 1827 mSDtfsCounter, 385 mSDsluCounter, 7326 mSDsCounter, 0 mSdLazyCounter, 3051 mSolverCounterSat, 356 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 9153 SdHoareTripleChecker+Invalid, 3409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 356 IncrementalHoareTripleChecker+Valid, 3051 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:49:43,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [431 Valid, 9153 Invalid, 3409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [356 Valid, 3051 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2021-12-06 22:49:43,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12079 states. [2021-12-06 22:49:43,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12079 to 10914. [2021-12-06 22:49:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10914 states, 8002 states have (on average 1.3734066483379155) internal successors, (10990), 8154 states have internal predecessors, (10990), 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) [2021-12-06 22:49:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10914 states to 10914 states and 15603 transitions. [2021-12-06 22:49:43,915 INFO L78 Accepts]: Start accepts. Automaton has 10914 states and 15603 transitions. Word has length 168 [2021-12-06 22:49:43,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:49:43,916 INFO L470 AbstractCegarLoop]: Abstraction has 10914 states and 15603 transitions. [2021-12-06 22:49:43,916 INFO L471 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) [2021-12-06 22:49:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 10914 states and 15603 transitions. [2021-12-06 22:49:43,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-06 22:49:43,925 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:49:43,926 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:49:43,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:49:43,926 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:49:43,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:49:43,926 INFO L85 PathProgramCache]: Analyzing trace with hash 430896940, now seen corresponding path program 1 times [2021-12-06 22:49:43,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:49:43,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205614738] [2021-12-06 22:49:43,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:49:43,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:49:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:49:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:49:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:49:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:49:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:49:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:49:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:49:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:49:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:49:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:49:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:49:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:49:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:49:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:49:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:49:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:49:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:49:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:49:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:49:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:49:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-12-06 22:49:44,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:49:44,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205614738] [2021-12-06 22:49:44,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205614738] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:49:44,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132957516] [2021-12-06 22:49:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:49:44,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:49:44,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:49:44,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:49:44,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:49:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:45,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 5248 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 22:49:45,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:49:45,388 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-12-06 22:49:45,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:49:45,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132957516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:49:45,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:49:45,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2021-12-06 22:49:45,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582715156] [2021-12-06 22:49:45,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:49:45,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:49:45,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:49:45,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:49:45,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:49:45,391 INFO L87 Difference]: Start difference. First operand 10914 states and 15603 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) [2021-12-06 22:49:46,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:49:46,476 INFO L93 Difference]: Finished difference Result 32663 states and 46708 transitions. [2021-12-06 22:49:46,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:49:46,476 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 [2021-12-06 22:49:46,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:49:46,569 INFO L225 Difference]: With dead ends: 32663 [2021-12-06 22:49:46,569 INFO L226 Difference]: Without dead ends: 32650 [2021-12-06 22:49:46,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:49:46,581 INFO L933 BasicCegarLoop]: 4065 mSDtfsCounter, 3687 mSDsluCounter, 3481 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3687 SdHoareTripleChecker+Valid, 7546 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:49:46,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3687 Valid, 7546 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 22:49:46,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32650 states. [2021-12-06 22:49:47,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32650 to 32614. [2021-12-06 22:49:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32614 states, 23910 states have (on average 1.374487662066081) internal successors, (32864), 24382 states have internal predecessors, (32864), 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) [2021-12-06 22:49:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32614 states to 32614 states and 46657 transitions. [2021-12-06 22:49:47,493 INFO L78 Accepts]: Start accepts. Automaton has 32614 states and 46657 transitions. Word has length 175 [2021-12-06 22:49:47,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:49:47,494 INFO L470 AbstractCegarLoop]: Abstraction has 32614 states and 46657 transitions. [2021-12-06 22:49:47,494 INFO L471 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) [2021-12-06 22:49:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32614 states and 46657 transitions. [2021-12-06 22:49:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-06 22:49:47,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:49:47,515 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:49:47,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:49:47,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:49:47,716 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:49:47,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:49:47,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1157450962, now seen corresponding path program 1 times [2021-12-06 22:49:47,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:49:47,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244322823] [2021-12-06 22:49:47,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:49:47,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:49:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:47,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:49:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:49:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:47,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:49:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:47,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:49:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:49:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:49:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:49:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:49:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:49:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:49:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:49:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:49:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:49:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:49:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:49:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:49:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:49:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:49:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:49:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:49:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:49:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-12-06 22:49:48,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:49:48,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244322823] [2021-12-06 22:49:48,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244322823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:49:48,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:49:48,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:49:48,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291495203] [2021-12-06 22:49:48,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:49:48,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:49:48,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:49:48,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:49:48,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:49:48,143 INFO L87 Difference]: Start difference. First operand 32614 states and 46657 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) [2021-12-06 22:49:55,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:57,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:49:59,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:01,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:03,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:05,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:07,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:09,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:10,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:50:10,823 INFO L93 Difference]: Finished difference Result 80433 states and 119792 transitions. [2021-12-06 22:50:10,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:50:10,824 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 [2021-12-06 22:50:10,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:50:10,965 INFO L225 Difference]: With dead ends: 80433 [2021-12-06 22:50:10,965 INFO L226 Difference]: Without dead ends: 47858 [2021-12-06 22:50:11,023 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:50:11,024 INFO L933 BasicCegarLoop]: 2495 mSDtfsCounter, 3192 mSDsluCounter, 4492 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 1458 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3428 SdHoareTripleChecker+Valid, 6987 SdHoareTripleChecker+Invalid, 3494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1458 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:50:11,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3428 Valid, 6987 Invalid, 3494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1458 Valid, 2028 Invalid, 8 Unknown, 0 Unchecked, 21.7s Time] [2021-12-06 22:50:11,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47858 states. [2021-12-06 22:50:12,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47858 to 32590. [2021-12-06 22:50:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32590 states, 23886 states have (on average 1.3738591643640625) internal successors, (32816), 24366 states have internal predecessors, (32816), 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) [2021-12-06 22:50:12,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32590 states to 32590 states and 46609 transitions. [2021-12-06 22:50:12,449 INFO L78 Accepts]: Start accepts. Automaton has 32590 states and 46609 transitions. Word has length 175 [2021-12-06 22:50:12,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:50:12,449 INFO L470 AbstractCegarLoop]: Abstraction has 32590 states and 46609 transitions. [2021-12-06 22:50:12,449 INFO L471 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) [2021-12-06 22:50:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 32590 states and 46609 transitions. [2021-12-06 22:50:12,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-06 22:50:12,470 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:50:12,470 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:50:12,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:50:12,470 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:50:12,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:50:12,471 INFO L85 PathProgramCache]: Analyzing trace with hash 209772948, now seen corresponding path program 1 times [2021-12-06 22:50:12,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:50:12,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084414455] [2021-12-06 22:50:12,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:50:12,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:50:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:50:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:50:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:50:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:50:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:50:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:50:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:50:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:50:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:50:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:50:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:50:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:50:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:50:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:50:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 22:50:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-06 22:50:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:50:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 22:50:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:50:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:50:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-12-06 22:50:12,826 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:50:12,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084414455] [2021-12-06 22:50:12,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084414455] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:50:12,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:50:12,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:50:12,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6508368] [2021-12-06 22:50:12,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:50:12,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:50:12,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:50:12,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:50:12,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:50:12,828 INFO L87 Difference]: Start difference. First operand 32590 states and 46609 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) [2021-12-06 22:50:15,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:20,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:22,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:24,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:26,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:28,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:30,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:50:30,630 INFO L93 Difference]: Finished difference Result 82777 states and 120555 transitions. [2021-12-06 22:50:30,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:50:30,630 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 [2021-12-06 22:50:30,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:50:30,804 INFO L225 Difference]: With dead ends: 82777 [2021-12-06 22:50:30,805 INFO L226 Difference]: Without dead ends: 50226 [2021-12-06 22:50:30,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:50:30,873 INFO L933 BasicCegarLoop]: 2146 mSDtfsCounter, 3586 mSDsluCounter, 3790 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 2471 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3884 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 5431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2471 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:50:30,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3884 Valid, 5936 Invalid, 5431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2471 Valid, 2955 Invalid, 5 Unknown, 0 Unchecked, 16.5s Time] [2021-12-06 22:50:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50226 states. [2021-12-06 22:50:32,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50226 to 44558. [2021-12-06 22:50:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44558 states, 32660 states have (on average 1.3682180036742193) internal successors, (44686), 33352 states have internal predecessors, (44686), 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) [2021-12-06 22:50:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44558 states to 44558 states and 63369 transitions. [2021-12-06 22:50:32,327 INFO L78 Accepts]: Start accepts. Automaton has 44558 states and 63369 transitions. Word has length 180 [2021-12-06 22:50:32,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:50:32,327 INFO L470 AbstractCegarLoop]: Abstraction has 44558 states and 63369 transitions. [2021-12-06 22:50:32,327 INFO L471 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) [2021-12-06 22:50:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 44558 states and 63369 transitions. [2021-12-06 22:50:32,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-06 22:50:32,344 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:50:32,344 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:50:32,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:50:32,344 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:50:32,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:50:32,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1082606041, now seen corresponding path program 1 times [2021-12-06 22:50:32,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:50:32,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117918495] [2021-12-06 22:50:32,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:50:32,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:50:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:50:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:50:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:50:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:50:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:50:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:50:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:50:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:50:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:50:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:50:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:50:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:50:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:50:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:50:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:50:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:50:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:50:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:50:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:50:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:50:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-06 22:50:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-06 22:50:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2021-12-06 22:50:32,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:50:32,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117918495] [2021-12-06 22:50:32,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117918495] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:50:32,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:50:32,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:50:32,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607223263] [2021-12-06 22:50:32,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:50:32,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:50:32,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:50:32,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:50:32,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:50:32,703 INFO L87 Difference]: Start difference. First operand 44558 states and 63369 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) [2021-12-06 22:50:36,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:40,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:42,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:44,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:46,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:47,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:50:47,649 INFO L93 Difference]: Finished difference Result 71910 states and 103617 transitions. [2021-12-06 22:50:47,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:50:47,650 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 [2021-12-06 22:50:47,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:50:47,734 INFO L225 Difference]: With dead ends: 71910 [2021-12-06 22:50:47,734 INFO L226 Difference]: Without dead ends: 27251 [2021-12-06 22:50:47,808 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:50:47,809 INFO L933 BasicCegarLoop]: 2209 mSDtfsCounter, 2596 mSDsluCounter, 2750 mSDsCounter, 0 mSdLazyCounter, 1675 mSolverCounterSat, 1470 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2826 SdHoareTripleChecker+Valid, 4959 SdHoareTripleChecker+Invalid, 3149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1470 IncrementalHoareTripleChecker+Valid, 1675 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:50:47,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2826 Valid, 4959 Invalid, 3149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1470 Valid, 1675 Invalid, 4 Unknown, 0 Unchecked, 14.1s Time] [2021-12-06 22:50:47,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27251 states. [2021-12-06 22:50:48,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27251 to 24612. [2021-12-06 22:50:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24612 states, 18079 states have (on average 1.365230377786382) internal successors, (24682), 18437 states have internal predecessors, (24682), 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) [2021-12-06 22:50:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24612 states to 24612 states and 34905 transitions. [2021-12-06 22:50:48,711 INFO L78 Accepts]: Start accepts. Automaton has 24612 states and 34905 transitions. Word has length 191 [2021-12-06 22:50:48,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:50:48,712 INFO L470 AbstractCegarLoop]: Abstraction has 24612 states and 34905 transitions. [2021-12-06 22:50:48,712 INFO L471 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) [2021-12-06 22:50:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 24612 states and 34905 transitions. [2021-12-06 22:50:48,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-06 22:50:48,727 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:50:48,727 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:50:48,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:50:48,727 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:50:48,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:50:48,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1392335135, now seen corresponding path program 1 times [2021-12-06 22:50:48,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:50:48,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723284105] [2021-12-06 22:50:48,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:50:48,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:50:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:50:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:50:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:50:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:50:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:50:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:50:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:50:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:50:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:50:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:50:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:50:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:50:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:50:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:50:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:50:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:50:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:50:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:50:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:50:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:50:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 22:50:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 22:50:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 22:50:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-06 22:50:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-06 22:50:49,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:50:49,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723284105] [2021-12-06 22:50:49,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723284105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:50:49,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:50:49,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:50:49,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330403216] [2021-12-06 22:50:49,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:50:49,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:50:49,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:50:49,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:50:49,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:50:49,119 INFO L87 Difference]: Start difference. First operand 24612 states and 34905 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) [2021-12-06 22:50:54,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:56,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:50:57,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:50:57,638 INFO L93 Difference]: Finished difference Result 27227 states and 39997 transitions. [2021-12-06 22:50:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:50:57,639 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 [2021-12-06 22:50:57,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:50:57,718 INFO L225 Difference]: With dead ends: 27227 [2021-12-06 22:50:57,718 INFO L226 Difference]: Without dead ends: 27219 [2021-12-06 22:50:57,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:50:57,730 INFO L933 BasicCegarLoop]: 1872 mSDtfsCounter, 575 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 1791 mSolverCounterSat, 672 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 5294 SdHoareTripleChecker+Invalid, 2465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 1791 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-06 22:50:57,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [621 Valid, 5294 Invalid, 2465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 1791 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2021-12-06 22:50:57,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27219 states. [2021-12-06 22:50:58,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27219 to 24613. [2021-12-06 22:50:58,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24613 states, 18080 states have (on average 1.3652101769911504) internal successors, (24683), 18438 states have internal predecessors, (24683), 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) [2021-12-06 22:50:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24613 states to 24613 states and 34906 transitions. [2021-12-06 22:50:58,502 INFO L78 Accepts]: Start accepts. Automaton has 24613 states and 34906 transitions. Word has length 214 [2021-12-06 22:50:58,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:50:58,503 INFO L470 AbstractCegarLoop]: Abstraction has 24613 states and 34906 transitions. [2021-12-06 22:50:58,503 INFO L471 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) [2021-12-06 22:50:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 24613 states and 34906 transitions. [2021-12-06 22:50:58,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-06 22:50:58,521 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:50:58,521 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:50:58,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 22:50:58,521 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:50:58,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:50:58,521 INFO L85 PathProgramCache]: Analyzing trace with hash 113218526, now seen corresponding path program 1 times [2021-12-06 22:50:58,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:50:58,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065079784] [2021-12-06 22:50:58,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:50:58,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:50:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:50:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:50:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:50:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:50:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:50:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:50:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:50:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:50:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:50:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:50:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:50:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:50:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:50:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:50:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:50:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:50:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:50:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:50:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:50:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:50:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 22:50:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 22:50:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 22:50:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-06 22:50:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-06 22:50:58,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:50:58,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065079784] [2021-12-06 22:50:58,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065079784] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:50:58,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976804697] [2021-12-06 22:50:58,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:50:58,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:50:58,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:50:58,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:50:58,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:50:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:50:59,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 5387 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:50:59,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:50:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2021-12-06 22:50:59,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:50:59,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976804697] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:50:59,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:50:59,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2021-12-06 22:50:59,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12331547] [2021-12-06 22:50:59,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:50:59,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:50:59,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:50:59,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:50:59,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:50:59,847 INFO L87 Difference]: Start difference. First operand 24613 states and 34906 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) [2021-12-06 22:51:00,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:51:00,629 INFO L93 Difference]: Finished difference Result 46408 states and 66177 transitions. [2021-12-06 22:51:00,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:51:00,630 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 [2021-12-06 22:51:00,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:51:00,690 INFO L225 Difference]: With dead ends: 46408 [2021-12-06 22:51:00,691 INFO L226 Difference]: Without dead ends: 24451 [2021-12-06 22:51:00,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:51:00,735 INFO L933 BasicCegarLoop]: 1868 mSDtfsCounter, 1806 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1806 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:51:00,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1806 Valid, 1868 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:51:00,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24451 states. [2021-12-06 22:51:01,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24451 to 24451. [2021-12-06 22:51:01,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24451 states, 17990 states have (on average 1.3500277932184548) internal successors, (24287), 18330 states have internal predecessors, (24287), 4956 states have call successors, (4956), 1423 states have call predecessors, (4956), 1504 states have return successors, (5123), 4972 states have call predecessors, (5123), 4955 states have call successors, (5123) [2021-12-06 22:51:01,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24451 states to 24451 states and 34366 transitions. [2021-12-06 22:51:01,495 INFO L78 Accepts]: Start accepts. Automaton has 24451 states and 34366 transitions. Word has length 217 [2021-12-06 22:51:01,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:51:01,496 INFO L470 AbstractCegarLoop]: Abstraction has 24451 states and 34366 transitions. [2021-12-06 22:51:01,496 INFO L471 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) [2021-12-06 22:51:01,496 INFO L276 IsEmpty]: Start isEmpty. Operand 24451 states and 34366 transitions. [2021-12-06 22:51:01,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-06 22:51:01,512 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:51:01,513 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:51:01,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 22:51:01,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 22:51:01,714 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:51:01,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:51:01,715 INFO L85 PathProgramCache]: Analyzing trace with hash -665733278, now seen corresponding path program 1 times [2021-12-06 22:51:01,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:51:01,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329175253] [2021-12-06 22:51:01,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:51:01,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:51:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:51:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:51:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:51:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:51:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:51:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:51:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:51:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:51:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:51:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:51:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:51:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:51:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:51:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:51:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:51:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:51:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:51:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:51:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:51:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 22:51:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 22:51:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 22:51:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-06 22:51:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-06 22:51:02,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:51:02,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329175253] [2021-12-06 22:51:02,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329175253] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:51:02,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134090155] [2021-12-06 22:51:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:51:02,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:51:02,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:51:02,058 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:51:02,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 22:51:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:02,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 5387 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:51:02,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:51:02,884 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-06 22:51:02,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:51:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-06 22:51:03,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134090155] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:51:03,057 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:51:03,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2021-12-06 22:51:03,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128515892] [2021-12-06 22:51:03,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:51:03,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 22:51:03,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:51:03,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 22:51:03,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:51:03,059 INFO L87 Difference]: Start difference. First operand 24451 states and 34366 transitions. Second operand has 10 states, 10 states have (on average 12.6) internal successors, (126), 7 states have internal predecessors, (126), 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) [2021-12-06 22:51:09,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:11,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:12,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:51:12,424 INFO L93 Difference]: Finished difference Result 26946 states and 39214 transitions. [2021-12-06 22:51:12,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:51:12,424 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 7 states have internal predecessors, (126), 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 217 [2021-12-06 22:51:12,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:51:12,495 INFO L225 Difference]: With dead ends: 26946 [2021-12-06 22:51:12,495 INFO L226 Difference]: Without dead ends: 26938 [2021-12-06 22:51:12,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:51:12,507 INFO L933 BasicCegarLoop]: 1847 mSDtfsCounter, 623 mSDsluCounter, 4967 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 656 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 6814 SdHoareTripleChecker+Invalid, 2646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:51:12,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [668 Valid, 6814 Invalid, 2646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 1988 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2021-12-06 22:51:12,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26938 states. [2021-12-06 22:51:13,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26938 to 24460. [2021-12-06 22:51:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24460 states, 17999 states have (on average 1.349852769598311) internal successors, (24296), 18339 states have internal predecessors, (24296), 4956 states have call successors, (4956), 1423 states have call predecessors, (4956), 1504 states have return successors, (5123), 4972 states have call predecessors, (5123), 4955 states have call successors, (5123) [2021-12-06 22:51:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24460 states to 24460 states and 34375 transitions. [2021-12-06 22:51:13,287 INFO L78 Accepts]: Start accepts. Automaton has 24460 states and 34375 transitions. Word has length 217 [2021-12-06 22:51:13,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:51:13,287 INFO L470 AbstractCegarLoop]: Abstraction has 24460 states and 34375 transitions. [2021-12-06 22:51:13,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 7 states have internal predecessors, (126), 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) [2021-12-06 22:51:13,288 INFO L276 IsEmpty]: Start isEmpty. Operand 24460 states and 34375 transitions. [2021-12-06 22:51:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-06 22:51:13,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:51:13,340 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:51:13,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 22:51:13,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 22:51:13,542 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:51:13,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:51:13,543 INFO L85 PathProgramCache]: Analyzing trace with hash -455708272, now seen corresponding path program 1 times [2021-12-06 22:51:13,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:51:13,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070209442] [2021-12-06 22:51:13,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:51:13,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:51:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:51:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:51:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:51:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:51:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:51:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:51:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:51:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:51:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:51:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:51:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:51:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:51:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 22:51:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 22:51:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:51:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-06 22:51:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-06 22:51:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:51:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 22:51:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:51:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-06 22:51:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 22:51:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-12-06 22:51:13,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:51:13,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070209442] [2021-12-06 22:51:13,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070209442] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:51:13,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:51:13,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 22:51:13,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645467156] [2021-12-06 22:51:13,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:51:13,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:51:13,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:51:13,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:51:13,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:51:13,871 INFO L87 Difference]: Start difference. First operand 24460 states and 34375 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, (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) [2021-12-06 22:51:20,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:22,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:24,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:26,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:28,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:51:28,716 INFO L93 Difference]: Finished difference Result 48806 states and 69899 transitions. [2021-12-06 22:51:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:51:28,717 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, (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 217 [2021-12-06 22:51:28,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:51:28,777 INFO L225 Difference]: With dead ends: 48806 [2021-12-06 22:51:28,777 INFO L226 Difference]: Without dead ends: 24423 [2021-12-06 22:51:28,813 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:51:28,813 INFO L933 BasicCegarLoop]: 1800 mSDtfsCounter, 803 mSDsluCounter, 5498 mSDsCounter, 0 mSdLazyCounter, 3545 mSolverCounterSat, 732 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 7298 SdHoareTripleChecker+Invalid, 4281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 3545 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:51:28,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 7298 Invalid, 4281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 3545 Invalid, 4 Unknown, 0 Unchecked, 14.1s Time] [2021-12-06 22:51:28,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24423 states. [2021-12-06 22:51:29,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24423 to 21910. [2021-12-06 22:51:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21910 states, 16073 states have (on average 1.34915697131836) internal successors, (21685), 16395 states have internal predecessors, (21685), 4494 states have call successors, (4494), 1267 states have call predecessors, (4494), 1342 states have return successors, (4640), 4514 states have call predecessors, (4640), 4493 states have call successors, (4640) [2021-12-06 22:51:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21910 states to 21910 states and 30819 transitions. [2021-12-06 22:51:29,554 INFO L78 Accepts]: Start accepts. Automaton has 21910 states and 30819 transitions. Word has length 217 [2021-12-06 22:51:29,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:51:29,554 INFO L470 AbstractCegarLoop]: Abstraction has 21910 states and 30819 transitions. [2021-12-06 22:51:29,554 INFO L471 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, (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) [2021-12-06 22:51:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 21910 states and 30819 transitions. [2021-12-06 22:51:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-06 22:51:29,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:51:29,571 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:51:29,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 22:51:29,572 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:51:29,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:51:29,572 INFO L85 PathProgramCache]: Analyzing trace with hash -640362149, now seen corresponding path program 2 times [2021-12-06 22:51:29,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:51:29,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492095818] [2021-12-06 22:51:29,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:51:29,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:51:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:51:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:51:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:51:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:51:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:51:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:51:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:51:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:51:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:51:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:51:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:51:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:51:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:51:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:51:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:51:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:51:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:51:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:51:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:51:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 22:51:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 22:51:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 22:51:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-06 22:51:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-06 22:51:29,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:51:29,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492095818] [2021-12-06 22:51:29,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492095818] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:51:29,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363135009] [2021-12-06 22:51:29,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:51:29,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:51:29,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:51:29,927 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:51:29,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 22:51:30,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 22:51:30,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:51:30,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 4539 conjuncts, 48 conjunts are in the unsatisfiable core [2021-12-06 22:51:30,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:51:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2021-12-06 22:51:30,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:51:30,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363135009] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:51:30,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:51:30,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [10] total 22 [2021-12-06 22:51:30,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452010232] [2021-12-06 22:51:30,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:51:30,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 22:51:30,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:51:30,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 22:51:30,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2021-12-06 22:51:30,909 INFO L87 Difference]: Start difference. First operand 21910 states and 30819 transitions. Second operand has 14 states, 13 states have (on average 9.692307692307692) internal successors, (126), 11 states have internal predecessors, (126), 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) [2021-12-06 22:51:31,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:51:31,920 INFO L93 Difference]: Finished difference Result 44042 states and 62020 transitions. [2021-12-06 22:51:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 22:51:31,920 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.692307692307692) internal successors, (126), 11 states have internal predecessors, (126), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (24), 5 states have call predecessors, (24), 3 states have call successors, (24) Word has length 226 [2021-12-06 22:51:31,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:51:31,967 INFO L225 Difference]: With dead ends: 44042 [2021-12-06 22:51:31,967 INFO L226 Difference]: Without dead ends: 22238 [2021-12-06 22:51:31,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2021-12-06 22:51:31,999 INFO L933 BasicCegarLoop]: 1911 mSDtfsCounter, 55 mSDsluCounter, 22847 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 24758 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:51:31,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 24758 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:51:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22238 states. [2021-12-06 22:51:32,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22238 to 21883. [2021-12-06 22:51:32,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21883 states, 16064 states have (on average 1.347671812749004) internal successors, (21649), 16368 states have internal predecessors, (21649), 4485 states have call successors, (4485), 1267 states have call predecessors, (4485), 1333 states have return successors, (4604), 4505 states have call predecessors, (4604), 4484 states have call successors, (4604) [2021-12-06 22:51:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21883 states to 21883 states and 30738 transitions. [2021-12-06 22:51:32,708 INFO L78 Accepts]: Start accepts. Automaton has 21883 states and 30738 transitions. Word has length 226 [2021-12-06 22:51:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:51:32,708 INFO L470 AbstractCegarLoop]: Abstraction has 21883 states and 30738 transitions. [2021-12-06 22:51:32,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.692307692307692) internal successors, (126), 11 states have internal predecessors, (126), 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) [2021-12-06 22:51:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 21883 states and 30738 transitions. [2021-12-06 22:51:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-06 22:51:32,729 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:51:32,730 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 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] [2021-12-06 22:51:32,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-06 22:51:32,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 22:51:32,932 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:51:32,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:51:32,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1567361954, now seen corresponding path program 1 times [2021-12-06 22:51:32,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:51:32,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733841091] [2021-12-06 22:51:32,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:51:32,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:51:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:51:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:51:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:51:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:51:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:51:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:51:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:51:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:51:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:51:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:51:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:51:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:51:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:51:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:51:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 22:51:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:51:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:51:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 22:51:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-06 22:51:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:51:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 22:51:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:51:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2021-12-06 22:51:33,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:51:33,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733841091] [2021-12-06 22:51:33,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733841091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:51:33,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:51:33,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 22:51:33,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515923818] [2021-12-06 22:51:33,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:51:33,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:51:33,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:51:33,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:51:33,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:51:33,322 INFO L87 Difference]: Start difference. First operand 21883 states and 30738 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-12-06 22:51:38,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:40,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:42,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:51:43,928 INFO L93 Difference]: Finished difference Result 52436 states and 76672 transitions. [2021-12-06 22:51:43,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:51:43,928 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), 3 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 226 [2021-12-06 22:51:43,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:51:44,010 INFO L225 Difference]: With dead ends: 52436 [2021-12-06 22:51:44,010 INFO L226 Difference]: Without dead ends: 30659 [2021-12-06 22:51:44,046 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:51:44,047 INFO L933 BasicCegarLoop]: 2301 mSDtfsCounter, 1431 mSDsluCounter, 5355 mSDsCounter, 0 mSdLazyCounter, 2403 mSolverCounterSat, 1094 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 7656 SdHoareTripleChecker+Invalid, 3500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1094 IncrementalHoareTripleChecker+Valid, 2403 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:51:44,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1587 Valid, 7656 Invalid, 3500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1094 Valid, 2403 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2021-12-06 22:51:44,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30659 states. [2021-12-06 22:51:44,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30659 to 21907. [2021-12-06 22:51:44,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21907 states, 16076 states have (on average 1.3474122916148294) internal successors, (21661), 16380 states have internal predecessors, (21661), 4497 states have call successors, (4497), 1267 states have call predecessors, (4497), 1333 states have return successors, (4616), 4517 states have call predecessors, (4616), 4496 states have call successors, (4616) [2021-12-06 22:51:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21907 states to 21907 states and 30774 transitions. [2021-12-06 22:51:44,959 INFO L78 Accepts]: Start accepts. Automaton has 21907 states and 30774 transitions. Word has length 226 [2021-12-06 22:51:44,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:51:44,959 INFO L470 AbstractCegarLoop]: Abstraction has 21907 states and 30774 transitions. [2021-12-06 22:51:44,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-12-06 22:51:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 21907 states and 30774 transitions. [2021-12-06 22:51:44,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-12-06 22:51:44,981 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:51:44,982 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 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] [2021-12-06 22:51:44,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 22:51:44,982 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:51:44,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:51:44,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1760631551, now seen corresponding path program 1 times [2021-12-06 22:51:44,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:51:44,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278911311] [2021-12-06 22:51:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:51:44,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:51:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:51:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:51:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:51:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:51:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:51:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:51:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:51:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:51:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:51:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:51:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:51:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:51:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:51:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:51:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 22:51:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:51:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:51:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 22:51:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 22:51:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:51:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:51:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 22:51:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:51:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:51:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:51:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-12-06 22:51:45,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:51:45,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278911311] [2021-12-06 22:51:45,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278911311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:51:45,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:51:45,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 22:51:45,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132017479] [2021-12-06 22:51:45,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:51:45,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:51:45,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:51:45,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:51:45,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:51:45,282 INFO L87 Difference]: Start difference. First operand 21907 states and 30774 transitions. Second operand has 9 states, 9 states have (on average 14.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2021-12-06 22:51:48,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:51,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:53,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:55,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:57,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:51:59,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:01,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:52:01,820 INFO L93 Difference]: Finished difference Result 35591 states and 51356 transitions. [2021-12-06 22:52:01,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:52:01,820 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (26), 8 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 230 [2021-12-06 22:52:01,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:52:01,874 INFO L225 Difference]: With dead ends: 35591 [2021-12-06 22:52:01,874 INFO L226 Difference]: Without dead ends: 24541 [2021-12-06 22:52:01,891 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:52:01,892 INFO L933 BasicCegarLoop]: 1804 mSDtfsCounter, 1081 mSDsluCounter, 4954 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 1069 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 6758 SdHoareTripleChecker+Invalid, 3880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1069 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:52:01,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1126 Valid, 6758 Invalid, 3880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1069 Valid, 2806 Invalid, 5 Unknown, 0 Unchecked, 15.6s Time] [2021-12-06 22:52:01,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24541 states. [2021-12-06 22:52:02,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24541 to 21929. [2021-12-06 22:52:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21929 states, 16098 states have (on average 1.3469375077649397) internal successors, (21683), 16402 states have internal predecessors, (21683), 4497 states have call successors, (4497), 1267 states have call predecessors, (4497), 1333 states have return successors, (4616), 4517 states have call predecessors, (4616), 4496 states have call successors, (4616) [2021-12-06 22:52:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21929 states to 21929 states and 30796 transitions. [2021-12-06 22:52:02,625 INFO L78 Accepts]: Start accepts. Automaton has 21929 states and 30796 transitions. Word has length 230 [2021-12-06 22:52:02,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:52:02,626 INFO L470 AbstractCegarLoop]: Abstraction has 21929 states and 30796 transitions. [2021-12-06 22:52:02,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.0) internal successors, (126), 3 states have internal predecessors, (126), 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) [2021-12-06 22:52:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 21929 states and 30796 transitions. [2021-12-06 22:52:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-06 22:52:02,650 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:52:02,650 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 4, 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] [2021-12-06 22:52:02,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 22:52:02,650 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:52:02,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:52:02,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1601474818, now seen corresponding path program 1 times [2021-12-06 22:52:02,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:52:02,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229864202] [2021-12-06 22:52:02,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:52:02,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:52:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:52:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:52:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:52:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:52:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:52:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:52:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:52:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:52:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:52:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:52:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:52:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:52:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:52:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:52:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-06 22:52:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:52:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:52:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 22:52:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 22:52:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 22:52:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-06 22:52:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:52:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 22:52:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:03,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:52:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:52:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-12-06 22:52:03,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:52:03,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229864202] [2021-12-06 22:52:03,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229864202] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:52:03,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:52:03,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-06 22:52:03,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799825674] [2021-12-06 22:52:03,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:52:03,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 22:52:03,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:52:03,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 22:52:03,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:52:03,112 INFO L87 Difference]: Start difference. First operand 21929 states and 30796 transitions. Second operand has 14 states, 14 states have (on average 9.142857142857142) internal successors, (128), 8 states have internal predecessors, (128), 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) [2021-12-06 22:52:11,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:13,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:15,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:17,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:19,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:21,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:23,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:25,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:28,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:31,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:33,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:35,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:37,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:52:40,149 INFO L93 Difference]: Finished difference Result 47107 states and 67338 transitions. [2021-12-06 22:52:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 22:52:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.142857142857142) internal successors, (128), 8 states have internal predecessors, (128), 5 states have call successors, (26), 8 states have call predecessors, (26), 3 states have return successors, (25), 6 states have call predecessors, (25), 4 states have call successors, (25) Word has length 232 [2021-12-06 22:52:40,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:52:40,216 INFO L225 Difference]: With dead ends: 47107 [2021-12-06 22:52:40,216 INFO L226 Difference]: Without dead ends: 23346 [2021-12-06 22:52:40,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2021-12-06 22:52:40,258 INFO L933 BasicCegarLoop]: 1811 mSDtfsCounter, 4123 mSDsluCounter, 7493 mSDsCounter, 0 mSdLazyCounter, 9518 mSolverCounterSat, 2209 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4434 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 11740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2209 IncrementalHoareTripleChecker+Valid, 9518 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:52:40,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4434 Valid, 9304 Invalid, 11740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2209 Valid, 9518 Invalid, 13 Unknown, 0 Unchecked, 36.0s Time] [2021-12-06 22:52:40,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23346 states. [2021-12-06 22:52:40,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23346 to 20295. [2021-12-06 22:52:40,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20295 states, 14867 states have (on average 1.3406874285329926) internal successors, (19932), 15166 states have internal predecessors, (19932), 4180 states have call successors, (4180), 1173 states have call predecessors, (4180), 1247 states have return successors, (4274), 4207 states have call predecessors, (4274), 4179 states have call successors, (4274) [2021-12-06 22:52:40,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20295 states to 20295 states and 28386 transitions. [2021-12-06 22:52:40,999 INFO L78 Accepts]: Start accepts. Automaton has 20295 states and 28386 transitions. Word has length 232 [2021-12-06 22:52:40,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:52:40,999 INFO L470 AbstractCegarLoop]: Abstraction has 20295 states and 28386 transitions. [2021-12-06 22:52:41,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.142857142857142) internal successors, (128), 8 states have internal predecessors, (128), 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) [2021-12-06 22:52:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 20295 states and 28386 transitions. [2021-12-06 22:52:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-06 22:52:41,017 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:52:41,017 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:52:41,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 22:52:41,017 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:52:41,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:52:41,017 INFO L85 PathProgramCache]: Analyzing trace with hash -983513527, now seen corresponding path program 1 times [2021-12-06 22:52:41,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:52:41,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402245889] [2021-12-06 22:52:41,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:52:41,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:52:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:52:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:52:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:52:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:52:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:52:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:52:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:52:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:52:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:52:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:52:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:52:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:52:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:52:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:52:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:52:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:52:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:52:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:52:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:52:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:52:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 22:52:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-06 22:52:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 22:52:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-06 22:52:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-06 22:52:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:52:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:52:41,374 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-12-06 22:52:41,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:52:41,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402245889] [2021-12-06 22:52:41,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402245889] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:52:41,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:52:41,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 22:52:41,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251332886] [2021-12-06 22:52:41,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:52:41,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 22:52:41,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:52:41,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:52:41,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:52:41,376 INFO L87 Difference]: Start difference. First operand 20295 states and 28386 transitions. Second operand has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 5 states have internal predecessors, (136), 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) [2021-12-06 22:52:47,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:49,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:51,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:53,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:55,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:52:57,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:00,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:02,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:04,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:04,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:53:04,578 INFO L93 Difference]: Finished difference Result 48339 states and 70300 transitions. [2021-12-06 22:53:04,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:53:04,579 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 5 states have internal predecessors, (136), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 2 states have call successors, (26) Word has length 243 [2021-12-06 22:53:04,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:53:04,669 INFO L225 Difference]: With dead ends: 48339 [2021-12-06 22:53:04,670 INFO L226 Difference]: Without dead ends: 28150 [2021-12-06 22:53:04,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:53:04,715 INFO L933 BasicCegarLoop]: 2557 mSDtfsCounter, 1334 mSDsluCounter, 11189 mSDsCounter, 0 mSdLazyCounter, 2948 mSolverCounterSat, 661 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 13746 SdHoareTripleChecker+Invalid, 3617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 661 IncrementalHoareTripleChecker+Valid, 2948 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:53:04,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1584 Valid, 13746 Invalid, 3617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [661 Valid, 2948 Invalid, 8 Unknown, 0 Unchecked, 22.3s Time] [2021-12-06 22:53:04,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28150 states. [2021-12-06 22:53:05,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28150 to 20439. [2021-12-06 22:53:05,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20439 states, 14984 states have (on average 1.338027229044314) internal successors, (20049), 15292 states have internal predecessors, (20049), 4180 states have call successors, (4180), 1173 states have call predecessors, (4180), 1274 states have return successors, (4310), 4225 states have call predecessors, (4310), 4179 states have call successors, (4310) [2021-12-06 22:53:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20439 states to 20439 states and 28539 transitions. [2021-12-06 22:53:05,610 INFO L78 Accepts]: Start accepts. Automaton has 20439 states and 28539 transitions. Word has length 243 [2021-12-06 22:53:05,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:53:05,611 INFO L470 AbstractCegarLoop]: Abstraction has 20439 states and 28539 transitions. [2021-12-06 22:53:05,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 5 states have internal predecessors, (136), 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) [2021-12-06 22:53:05,611 INFO L276 IsEmpty]: Start isEmpty. Operand 20439 states and 28539 transitions. [2021-12-06 22:53:05,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-06 22:53:05,634 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:53:05,634 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:53:05,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 22:53:05,634 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:53:05,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:53:05,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1514094320, now seen corresponding path program 1 times [2021-12-06 22:53:05,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:53:05,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956957895] [2021-12-06 22:53:05,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:53:05,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:53:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:53:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:53:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:53:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:53:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:53:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:53:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:53:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:53:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:53:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:53:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:53:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:53:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:53:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:53:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:53:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:53:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:53:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:53:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 22:53:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 22:53:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 22:53:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 22:53:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 22:53:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 22:53:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-12-06 22:53:05,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:53:05,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956957895] [2021-12-06 22:53:05,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956957895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:53:05,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:53:05,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 22:53:05,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722197026] [2021-12-06 22:53:05,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:53:05,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 22:53:05,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:53:05,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 22:53:05,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:53:05,969 INFO L87 Difference]: Start difference. First operand 20439 states and 28539 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 4 states have internal predecessors, (137), 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) [2021-12-06 22:53:11,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:13,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:15,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:17,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:18,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:53:18,626 INFO L93 Difference]: Finished difference Result 43245 states and 61625 transitions. [2021-12-06 22:53:18,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:53:18,627 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (27), 5 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 244 [2021-12-06 22:53:18,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:53:18,695 INFO L225 Difference]: With dead ends: 43245 [2021-12-06 22:53:18,695 INFO L226 Difference]: Without dead ends: 22912 [2021-12-06 22:53:18,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:53:18,737 INFO L933 BasicCegarLoop]: 1817 mSDtfsCounter, 842 mSDsluCounter, 4972 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 971 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 6789 SdHoareTripleChecker+Invalid, 2879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:53:18,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [887 Valid, 6789 Invalid, 2879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [971 Valid, 1904 Invalid, 4 Unknown, 0 Unchecked, 11.8s Time] [2021-12-06 22:53:18,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22912 states. [2021-12-06 22:53:19,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22912 to 20448. [2021-12-06 22:53:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20448 states, 14993 states have (on average 1.3378243180150737) internal successors, (20058), 15301 states have internal predecessors, (20058), 4180 states have call successors, (4180), 1173 states have call predecessors, (4180), 1274 states have return successors, (4310), 4225 states have call predecessors, (4310), 4179 states have call successors, (4310) [2021-12-06 22:53:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20448 states to 20448 states and 28548 transitions. [2021-12-06 22:53:19,518 INFO L78 Accepts]: Start accepts. Automaton has 20448 states and 28548 transitions. Word has length 244 [2021-12-06 22:53:19,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:53:19,519 INFO L470 AbstractCegarLoop]: Abstraction has 20448 states and 28548 transitions. [2021-12-06 22:53:19,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 4 states have internal predecessors, (137), 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) [2021-12-06 22:53:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 20448 states and 28548 transitions. [2021-12-06 22:53:19,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-06 22:53:19,536 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:53:19,537 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:53:19,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 22:53:19,537 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:53:19,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:53:19,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1638370510, now seen corresponding path program 1 times [2021-12-06 22:53:19,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:53:19,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249296318] [2021-12-06 22:53:19,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:53:19,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:53:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:53:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:53:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:53:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:53:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:53:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:53:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:53:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:53:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:53:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 22:53:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-06 22:53:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:53:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-06 22:53:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:53:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 22:53:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 22:53:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:53:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:53:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 22:53:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-06 22:53:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 22:53:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 22:53:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 22:53:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 22:53:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-06 22:53:19,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:53:19,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249296318] [2021-12-06 22:53:19,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249296318] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:53:19,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765085947] [2021-12-06 22:53:19,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:53:19,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:53:19,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:53:19,967 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:53:19,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 22:53:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:20,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 5659 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:53:20,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:53:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-12-06 22:53:20,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:53:20,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765085947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:53:20,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:53:20,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2021-12-06 22:53:20,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568816287] [2021-12-06 22:53:20,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:53:20,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:53:20,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:53:20,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:53:20,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:53:20,805 INFO L87 Difference]: Start difference. First operand 20448 states and 28548 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-06 22:53:21,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:53:21,406 INFO L93 Difference]: Finished difference Result 40921 states and 57546 transitions. [2021-12-06 22:53:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:53:21,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 244 [2021-12-06 22:53:21,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:53:21,457 INFO L225 Difference]: With dead ends: 40921 [2021-12-06 22:53:21,457 INFO L226 Difference]: Without dead ends: 20467 [2021-12-06 22:53:21,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-12-06 22:53:21,498 INFO L933 BasicCegarLoop]: 1879 mSDtfsCounter, 2 mSDsluCounter, 3745 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5624 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:53:21,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 5624 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:53:21,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20467 states. [2021-12-06 22:53:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20467 to 20467. [2021-12-06 22:53:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20467 states, 15012 states have (on average 1.337396749267253) internal successors, (20077), 15320 states have internal predecessors, (20077), 4180 states have call successors, (4180), 1173 states have call predecessors, (4180), 1274 states have return successors, (4310), 4225 states have call predecessors, (4310), 4179 states have call successors, (4310) [2021-12-06 22:53:22,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20467 states to 20467 states and 28567 transitions. [2021-12-06 22:53:22,208 INFO L78 Accepts]: Start accepts. Automaton has 20467 states and 28567 transitions. Word has length 244 [2021-12-06 22:53:22,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:53:22,209 INFO L470 AbstractCegarLoop]: Abstraction has 20467 states and 28567 transitions. [2021-12-06 22:53:22,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-06 22:53:22,209 INFO L276 IsEmpty]: Start isEmpty. Operand 20467 states and 28567 transitions. [2021-12-06 22:53:22,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-06 22:53:22,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:53:22,226 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:53:22,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 22:53:22,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:53:22,428 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:53:22,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:53:22,429 INFO L85 PathProgramCache]: Analyzing trace with hash -228094602, now seen corresponding path program 1 times [2021-12-06 22:53:22,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:53:22,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151431920] [2021-12-06 22:53:22,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:53:22,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:53:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:53:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:53:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:53:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:53:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:53:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:53:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:53:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:53:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:53:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 22:53:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 22:53:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 22:53:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 22:53:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 22:53:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-06 22:53:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-06 22:53:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:53:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:53:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 22:53:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-12-06 22:53:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-06 22:53:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-06 22:53:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 22:53:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-06 22:53:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-12-06 22:53:22,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:53:22,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151431920] [2021-12-06 22:53:22,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151431920] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:53:22,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934107293] [2021-12-06 22:53:22,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:53:22,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:53:22,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:53:22,858 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:53:22,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 22:53:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:23,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 5689 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 22:53:23,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:53:23,918 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-12-06 22:53:23,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:53:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2021-12-06 22:53:24,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934107293] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:53:24,198 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:53:24,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2021-12-06 22:53:24,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647914353] [2021-12-06 22:53:24,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:53:24,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 22:53:24,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:53:24,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 22:53:24,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-12-06 22:53:24,200 INFO L87 Difference]: Start difference. First operand 20467 states and 28567 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) [2021-12-06 22:53:30,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:32,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:34,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:36,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:38,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:53:38,460 INFO L93 Difference]: Finished difference Result 43226 states and 61773 transitions. [2021-12-06 22:53:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 22:53:38,461 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 [2021-12-06 22:53:38,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:53:38,539 INFO L225 Difference]: With dead ends: 43226 [2021-12-06 22:53:38,540 INFO L226 Difference]: Without dead ends: 22753 [2021-12-06 22:53:38,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2021-12-06 22:53:38,582 INFO L933 BasicCegarLoop]: 1817 mSDtfsCounter, 837 mSDsluCounter, 9764 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 1001 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 11581 SdHoareTripleChecker+Invalid, 4135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1001 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:53:38,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [882 Valid, 11581 Invalid, 4135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1001 Valid, 3130 Invalid, 4 Unknown, 0 Unchecked, 13.3s Time] [2021-12-06 22:53:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22753 states. [2021-12-06 22:53:39,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22753 to 20641. [2021-12-06 22:53:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20641 states, 15167 states have (on average 1.3377068635854157) internal successors, (20289), 15475 states have internal predecessors, (20289), 4180 states have call successors, (4180), 1192 states have call predecessors, (4180), 1293 states have return successors, (4310), 4225 states have call predecessors, (4310), 4179 states have call successors, (4310) [2021-12-06 22:53:39,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20641 states to 20641 states and 28779 transitions. [2021-12-06 22:53:39,373 INFO L78 Accepts]: Start accepts. Automaton has 20641 states and 28779 transitions. Word has length 246 [2021-12-06 22:53:39,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:53:39,374 INFO L470 AbstractCegarLoop]: Abstraction has 20641 states and 28779 transitions. [2021-12-06 22:53:39,374 INFO L471 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) [2021-12-06 22:53:39,374 INFO L276 IsEmpty]: Start isEmpty. Operand 20641 states and 28779 transitions. [2021-12-06 22:53:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-06 22:53:39,394 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:53:39,394 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:53:39,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 22:53:39,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:53:39,596 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:53:39,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:53:39,596 INFO L85 PathProgramCache]: Analyzing trace with hash -457508661, now seen corresponding path program 2 times [2021-12-06 22:53:39,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:53:39,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417070496] [2021-12-06 22:53:39,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:53:39,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:53:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:53:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:53:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:53:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:53:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:53:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:53:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:53:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:53:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:53:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 22:53:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:53:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-06 22:53:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:53:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:53:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-06 22:53:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:53:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:53:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:53:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 22:53:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 22:53:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 22:53:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:53:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 22:53:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-06 22:53:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-12-06 22:53:39,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:53:39,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417070496] [2021-12-06 22:53:39,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417070496] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:53:39,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045449654] [2021-12-06 22:53:39,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:53:39,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:53:39,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:53:39,985 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:53:39,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 22:53:42,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:53:42,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:53:42,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 5764 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 22:53:42,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:53:42,383 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-12-06 22:53:42,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:53:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-12-06 22:53:42,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045449654] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:53:42,644 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:53:42,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 18 [2021-12-06 22:53:42,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597797164] [2021-12-06 22:53:42,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:53:42,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:53:42,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:53:42,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:53:42,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:53:42,645 INFO L87 Difference]: Start difference. First operand 20641 states and 28779 transitions. Second operand has 18 states, 18 states have (on average 9.222222222222221) internal successors, (166), 15 states have internal predecessors, (166), 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) [2021-12-06 22:53:46,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:50,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:52,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:53:54,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:53:54,482 INFO L93 Difference]: Finished difference Result 22771 states and 32739 transitions. [2021-12-06 22:53:54,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 22:53:54,483 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 9.222222222222221) internal successors, (166), 15 states have internal predecessors, (166), 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 253 [2021-12-06 22:53:54,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:53:54,548 INFO L225 Difference]: With dead ends: 22771 [2021-12-06 22:53:54,548 INFO L226 Difference]: Without dead ends: 22763 [2021-12-06 22:53:54,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 547 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2021-12-06 22:53:54,557 INFO L933 BasicCegarLoop]: 1850 mSDtfsCounter, 582 mSDsluCounter, 16279 mSDsCounter, 0 mSdLazyCounter, 4856 mSolverCounterSat, 658 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 18129 SdHoareTripleChecker+Invalid, 5516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 658 IncrementalHoareTripleChecker+Valid, 4856 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:53:54,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [627 Valid, 18129 Invalid, 5516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [658 Valid, 4856 Invalid, 2 Unknown, 0 Unchecked, 11.0s Time] [2021-12-06 22:53:54,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22763 states. [2021-12-06 22:53:55,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22763 to 20653. [2021-12-06 22:53:55,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20653 states, 15179 states have (on average 1.3374398840503328) internal successors, (20301), 15487 states have internal predecessors, (20301), 4180 states have call successors, (4180), 1192 states have call predecessors, (4180), 1293 states have return successors, (4310), 4225 states have call predecessors, (4310), 4179 states have call successors, (4310) [2021-12-06 22:53:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20653 states to 20653 states and 28791 transitions. [2021-12-06 22:53:55,341 INFO L78 Accepts]: Start accepts. Automaton has 20653 states and 28791 transitions. Word has length 253 [2021-12-06 22:53:55,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:53:55,342 INFO L470 AbstractCegarLoop]: Abstraction has 20653 states and 28791 transitions. [2021-12-06 22:53:55,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.222222222222221) internal successors, (166), 15 states have internal predecessors, (166), 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) [2021-12-06 22:53:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 20653 states and 28791 transitions. [2021-12-06 22:53:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-12-06 22:53:55,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:53:55,363 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 9, 9, 9, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:53:55,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 22:53:55,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-12-06 22:53:55,565 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:53:55,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:53:55,567 INFO L85 PathProgramCache]: Analyzing trace with hash -2044672501, now seen corresponding path program 3 times [2021-12-06 22:53:55,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:53:55,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436534136] [2021-12-06 22:53:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:53:55,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:53:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:53:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:53:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:53:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:53:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:53:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:53:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:53:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:53:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:53:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 22:53:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 22:53:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-06 22:53:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-06 22:53:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:53:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-06 22:53:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:53:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:53:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:53:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:53:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 22:53:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 22:53:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 22:53:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:53:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 22:53:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-06 22:53:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:53:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-12-06 22:53:56,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:53:56,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436534136] [2021-12-06 22:53:56,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436534136] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:53:56,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676341283] [2021-12-06 22:53:56,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:53:56,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:53:56,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:53:56,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:53:56,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 22:54:09,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-12-06 22:54:09,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:54:09,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 5551 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:54:09,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:54:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 145 proven. 3 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-12-06 22:54:10,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:54:10,543 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-12-06 22:54:10,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676341283] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:54:10,543 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:54:10,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 16 [2021-12-06 22:54:10,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500107382] [2021-12-06 22:54:10,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:54:10,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 22:54:10,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:54:10,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 22:54:10,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2021-12-06 22:54:10,545 INFO L87 Difference]: Start difference. First operand 20653 states and 28791 transitions. Second operand has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 22:54:17,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:19,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:21,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:54:21,269 INFO L93 Difference]: Finished difference Result 43430 states and 61957 transitions. [2021-12-06 22:54:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 22:54:21,270 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 265 [2021-12-06 22:54:21,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:54:21,342 INFO L225 Difference]: With dead ends: 43430 [2021-12-06 22:54:21,343 INFO L226 Difference]: Without dead ends: 22785 [2021-12-06 22:54:21,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2021-12-06 22:54:21,382 INFO L933 BasicCegarLoop]: 1805 mSDtfsCounter, 633 mSDsluCounter, 12915 mSDsCounter, 0 mSdLazyCounter, 3687 mSolverCounterSat, 706 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 14720 SdHoareTripleChecker+Invalid, 4395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 706 IncrementalHoareTripleChecker+Valid, 3687 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:54:21,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [678 Valid, 14720 Invalid, 4395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [706 Valid, 3687 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2021-12-06 22:54:21,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22785 states. [2021-12-06 22:54:22,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22785 to 20675. [2021-12-06 22:54:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20675 states, 15201 states have (on average 1.3356358134333268) internal successors, (20303), 15509 states have internal predecessors, (20303), 4180 states have call successors, (4180), 1192 states have call predecessors, (4180), 1293 states have return successors, (4310), 4225 states have call predecessors, (4310), 4179 states have call successors, (4310) [2021-12-06 22:54:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20675 states to 20675 states and 28793 transitions. [2021-12-06 22:54:22,185 INFO L78 Accepts]: Start accepts. Automaton has 20675 states and 28793 transitions. Word has length 265 [2021-12-06 22:54:22,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:54:22,186 INFO L470 AbstractCegarLoop]: Abstraction has 20675 states and 28793 transitions. [2021-12-06 22:54:22,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.375) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (60), 5 states have call predecessors, (60), 5 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 22:54:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 20675 states and 28793 transitions. [2021-12-06 22:54:22,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-06 22:54:22,208 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:54:22,208 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:54:22,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 22:54:22,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-12-06 22:54:22,410 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:54:22,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:54:22,411 INFO L85 PathProgramCache]: Analyzing trace with hash 706360651, now seen corresponding path program 4 times [2021-12-06 22:54:22,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:54:22,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240482776] [2021-12-06 22:54:22,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:54:22,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:54:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:54:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 22:54:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:54:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:54:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 22:54:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 22:54:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 22:54:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 22:54:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 22:54:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 22:54:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:54:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 22:54:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-06 22:54:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-06 22:54:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:54:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 22:54:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:54:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:54:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 22:54:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:54:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 22:54:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-06 22:54:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 22:54:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 22:54:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-06 22:54:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-06 22:54:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:54:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-12-06 22:54:23,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:54:23,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240482776] [2021-12-06 22:54:23,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240482776] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:54:23,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193764614] [2021-12-06 22:54:23,118 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 22:54:23,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:54:23,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:54:23,119 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:54:23,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 22:54:24,632 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 22:54:24,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:54:24,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 5884 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-06 22:54:24,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:54:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 165 proven. 21 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2021-12-06 22:54:24,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:54:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-12-06 22:54:25,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193764614] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:54:25,424 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:54:25,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 28 [2021-12-06 22:54:25,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174426857] [2021-12-06 22:54:25,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:54:25,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-12-06 22:54:25,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:54:25,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-12-06 22:54:25,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2021-12-06 22:54:25,426 INFO L87 Difference]: Start difference. First operand 20675 states and 28793 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) [2021-12-06 22:54:33,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:35,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:37,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:39,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:54:41,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:54:41,643 INFO L93 Difference]: Finished difference Result 43903 states and 63006 transitions. [2021-12-06 22:54:41,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-12-06 22:54:41,644 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 [2021-12-06 22:54:41,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:54:41,710 INFO L225 Difference]: With dead ends: 43903 [2021-12-06 22:54:41,710 INFO L226 Difference]: Without dead ends: 23261 [2021-12-06 22:54:41,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 571 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=417, Invalid=1745, Unknown=0, NotChecked=0, Total=2162 [2021-12-06 22:54:41,750 INFO L933 BasicCegarLoop]: 1812 mSDtfsCounter, 876 mSDsluCounter, 22503 mSDsCounter, 0 mSdLazyCounter, 6214 mSolverCounterSat, 1103 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 24315 SdHoareTripleChecker+Invalid, 7320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1103 IncrementalHoareTripleChecker+Valid, 6214 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:54:41,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [921 Valid, 24315 Invalid, 7320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1103 Valid, 6214 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2021-12-06 22:54:41,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23261 states. [2021-12-06 22:54:42,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23261 to 20967. [2021-12-06 22:54:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20967 states, 15475 states have (on average 1.3390630048465266) internal successors, (20722), 15783 states have internal predecessors, (20722), 4180 states have call successors, (4180), 1210 states have call predecessors, (4180), 1311 states have return successors, (4310), 4225 states have call predecessors, (4310), 4179 states have call successors, (4310) [2021-12-06 22:54:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20967 states to 20967 states and 29212 transitions. [2021-12-06 22:54:42,651 INFO L78 Accepts]: Start accepts. Automaton has 20967 states and 29212 transitions. Word has length 269 [2021-12-06 22:54:42,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:54:42,651 INFO L470 AbstractCegarLoop]: Abstraction has 20967 states and 29212 transitions. [2021-12-06 22:54:42,651 INFO L471 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) [2021-12-06 22:54:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 20967 states and 29212 transitions. [2021-12-06 22:54:42,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-12-06 22:54:42,674 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:54:42,674 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:54:42,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-06 22:54:42,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-12-06 22:54:42,877 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:54:42,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:54:42,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1845383403, now seen corresponding path program 5 times [2021-12-06 22:54:42,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:54:42,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360237594] [2021-12-06 22:54:42,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:54:42,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:54:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:54:45,712 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:54:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:54:47,777 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:54:47,777 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 22:54:47,778 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:54:47,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 22:54:47,781 INFO L732 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] [2021-12-06 22:54:47,783 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:54:47,831 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-06 22:54:47,834 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-06 22:54:47,848 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:47,848 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:47,848 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:47,848 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:47,849 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:47,849 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:47,849 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:47,849 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:47,849 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:47,850 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2021-12-06 22:54:48,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:54:48 BoogieIcfgContainer [2021-12-06 22:54:48,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:54:48,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:54:48,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:54:48,118 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:54:48,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:48:26" (3/4) ... [2021-12-06 22:54:48,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 22:54:48,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:54:48,121 INFO L158 Benchmark]: Toolchain (without parser) took 392452.09ms. Allocated memory was 113.2MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 60.8MB in the beginning and 489.1MB in the end (delta: -428.3MB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2021-12-06 22:54:48,121 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:54:48,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2184.53ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 60.6MB in the beginning and 40.2MB in the end (delta: 20.4MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2021-12-06 22:54:48,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 231.96ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 40.2MB in the beginning and 86.4MB in the end (delta: -46.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-12-06 22:54:48,122 INFO L158 Benchmark]: Boogie Preprocessor took 220.66ms. Allocated memory is still 169.9MB. Free memory was 86.4MB in the beginning and 74.5MB in the end (delta: 12.0MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2021-12-06 22:54:48,122 INFO L158 Benchmark]: RCFGBuilder took 8658.76ms. Allocated memory was 169.9MB in the beginning and 287.3MB in the end (delta: 117.4MB). Free memory was 74.4MB in the beginning and 89.3MB in the end (delta: -14.9MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. [2021-12-06 22:54:48,122 INFO L158 Benchmark]: TraceAbstraction took 381147.27ms. Allocated memory was 287.3MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 88.3MB in the beginning and 489.1MB in the end (delta: -400.9MB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. [2021-12-06 22:54:48,122 INFO L158 Benchmark]: Witness Printer took 2.70ms. Allocated memory is still 3.4GB. Free memory is still 489.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:54:48,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2184.53ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 60.6MB in the beginning and 40.2MB in the end (delta: 20.4MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 231.96ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 40.2MB in the beginning and 86.4MB in the end (delta: -46.2MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 220.66ms. Allocated memory is still 169.9MB. Free memory was 86.4MB in the beginning and 74.5MB in the end (delta: 12.0MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * RCFGBuilder took 8658.76ms. Allocated memory was 169.9MB in the beginning and 287.3MB in the end (delta: 117.4MB). Free memory was 74.4MB in the beginning and 89.3MB in the end (delta: -14.9MB). Peak memory consumption was 132.1MB. Max. memory is 16.1GB. * TraceAbstraction took 381147.27ms. Allocated memory was 287.3MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 88.3MB in the beginning and 489.1MB in the end (delta: -400.9MB). Peak memory consumption was 2.8GB. Max. memory is 16.1GB. * Witness Printer took 2.70ms. Allocated memory is still 3.4GB. Free memory is still 489.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7206]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10552. Possible FailurePath: [L7229] int ldv_state_variable_3 ; [L7230] int LDV_IN_INTERRUPT = 1; [L7231] int ldv_state_variable_2 ; [L7232] int ref_cnt ; [L7233] struct usb_interface *at76_driver_group1 ; [L7234] int ldv_state_variable_1 ; [L7235] int usb_counter ; [L7236] struct ieee80211_vif *at76_ops_group1 ; [L7237] int ldv_state_variable_0 ; [L7238] struct ieee80211_hw *at76_ops_group0 ; [L7547] static uint at76_debug = 0U; [L7548] static struct mutex fw_mutex ; [L7549-L7575] static struct fwentry firmwares[9U] = { {"", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-i3861.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-i3863.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c503-rfmd-acc.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505-rfmd2958.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505a-rfmd2958.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}, {"atmel_at76c505amx-rfmd.bin", 0, 0, 0, 0, 0, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}}; [L7576-L7738] static struct usb_device_id dev_table[55U] = { {3U, 1003U, 30211U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1643U, 8721U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2148U, 16640U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 2875U, 5650U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1008U, 284U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3294U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1690U, 800U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3420U, 40961U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1189U, 36864U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1501U, 65329U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 32902U, 512U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3470U, 28928U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 3470U, 28944U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1211U, 2329U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1690U, 2081U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 1UL}, {3U, 1003U, 30212U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 1373U, 40960U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2UL}, {3U, 1003U, 30213U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1690U, 801U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1915U, 8729U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1915U, 8743U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 2148U, 16642U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 8193U, 12800U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 5736U, 30213U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1003U, 16642U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 22339U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4977U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1189U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1286U, 2561U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1665U, 27U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1293U, 80U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1976U, 45056U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 4164U, 32771U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 8217U, 12832U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1183U, 50U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1962U, 17U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1962U, 24U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 1501U, 65333U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 3UL}, {3U, 2106U, 13569U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 4UL}, {3U, 3420U, 40962U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 4UL}, {3U, 1003U, 30214U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 5UL}, {3U, 1003U, 30227U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4977U, 20U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4977U, 19U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 6421U, 8755U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 4861U, 4097U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 1962U, 30227U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 3504U, 4128U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 6UL}, {3U, 1003U, 30228U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 1003U, 30231U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 5776U, 1793U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 5463U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 7UL}, {3U, 1003U, 30229U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 8UL}}; [L7739] struct usb_device_id const __mod_usb__dev_table_device_table ; [L7740] static u8 const hw_rates[4U] = { 130U, 132U, 11U, 22U}; [L7741] static char const * const preambles[3U] = { "long", "short", "auto"}; [L8010] static int tx_activity ; [L8012-L8018] static struct timer_list ledtrig_tx_timer = {{0, (struct list_head *)1953723489}, 0UL, & boot_tvec_bases, & at76_ledtrig_tx_timerfunc, 0UL, -1, 0, 0, {(char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0, (char)0}, {(struct lock_class_key *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/947/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/at76c50x-usb.o.c.prepared:557", {0, 0}, "/work/ldvuser/mutilin/launch/work/current--X--drivers/net/--X--defaultlinux-3.16-rc1.tar.xz--X--205_9a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/947/dscv_tempdir/dscv/ri/205_9a/drivers/net/wireless/at76c50x-usb.o.c.prepared:557", 0, 0UL}}; [L8019] static struct led_trigger *ledtrig_tx ; [L10113-L10118] static struct ieee80211_ops const at76_ops = {& at76_mac80211_tx, & at76_mac80211_start, & at76_mac80211_stop, 0, 0, 0, & at76_add_interface, 0, & at76_remove_interface, & at76_config, & at76_bss_info_changed, 0, 0, 0, & at76_configure_filter, 0, & at76_set_key, 0, 0, 0, & at76_hw_scan, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10266-L10269] static struct ieee80211_rate at76_rates[4U] = { {0U, 10U, 0U, (unsigned short)0}, {0U, 20U, 1U, (unsigned short)0}, {0U, 55U, 2U, (unsigned short)0}, {0U, 110U, 3U, (unsigned short)0}}; [L10270-L10284] static struct ieee80211_channel at76_channels[14U] = { {0, 2412U, 1U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2417U, 2U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2422U, 3U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2427U, 4U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2432U, 5U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2437U, 6U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2442U, 7U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2447U, 8U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2452U, 9U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2457U, 10U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2462U, 11U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2467U, 12U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2472U, 13U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}, {0, 2484U, 14U, 0U, 0, 0, 0, (_Bool)0, 0U, 0, 0, 0, 0UL, 0U}}; [L10285-L10301] static struct ieee80211_supported_band at76_supported_band = {(struct ieee80211_channel *)(& at76_channels), (struct ieee80211_rate *)(& at76_rates), 0, 14, 4, {(unsigned short)0, (_Bool)0, (unsigned char)0, (unsigned char)0, {{(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, (unsigned short)0, (unsigned char)0, {(unsigned char)0, (unsigned char)0, (unsigned char)0}}}, {(_Bool)0, 0U, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0}}}; [L10539-L10544] static struct usb_driver at76_driver = {"at76c50x-usb", & at76_probe, & at76_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& dev_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, 1U, (unsigned char)0}; [L10581] int ldv_retval_0 ; [L10582] int ldv_retval_1 ; [L10585] int ldv_retval_2 ; [L10970] Element set_impl[15] ; [L10971] int last_index = 0; [L11105] Set LDV_SKBS ; VAL [__mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={18446744073709550665:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={18446744073709550665:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg3={0:0}, ldvarg5=4294967024, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg3={0:0}, ldvarg5=4294967024, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg3={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg3={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set={0:0}, set={285:0}, set_impl={285:0}, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, memset((void *)(& ldvarg8), 0, 4UL)={18446744073709550664:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, memset((void *)(& ldvarg10), 0, 8UL)={18446744073709550665:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___10={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709550663:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, last_index=0, ldv_func_arg1={284:0}, ldv_func_arg1={284:0}, ldv_func_arg2={18446744073709551324:18446744073709551333}, ldv_func_arg2={18446744073709551324:18446744073709551333}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709550663:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, result=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, result=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___10={0:0}, tmp___11=1, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, tmp___1={0:0}, tmp___10={0:0}, tmp___11=3, tmp___13=1, tmp___2={0:0}, tmp___3={0:0}, tmp___4=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, priv={18446744073709550661:100}, priv->rx_urb={18446744073709550661:956}, ref_cnt=0, set_impl={285:0}, skb={18446744073709551323:293}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, length=2364, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, calloc(1UL, size)={18446744073709550661:0}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, p={18446744073709550661:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, size=248, tmp={18446744073709550661:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, cond=1, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, calloc(1UL, size)={18446744073709550661:0}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, p={18446744073709550661:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, size=248, tmp={18446744073709550661:0}, tmp___0=0, tx_activity=0, usb_counter=0] [L7182] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={18446744073709550661:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, calloc(1UL, size)={18446744073709550661:0}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, p={18446744073709550661:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, size=248, tmp={18446744073709550661:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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 ))={18446744073709550661:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, skb={18446744073709550661:0}, tmp___7={18446744073709550661:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, e={18446744073709550661:0}, e={18446744073709550661:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, e={18446744073709550661:0}, e={18446744073709550661:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, e={18446744073709550661:0}, e={18446744073709550661:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, e={18446744073709550661:0}, e={18446744073709550661:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={285:0}, tx_activity=0, usb_counter=0] [L11116] RET ldv_set_add(LDV_SKBS, skb) [L11117] return (skb); VAL [\old(last_index)=0, \result={18446744073709550661:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, skb={18446744073709550661:0}, tmp___7={18446744073709550661:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_skb_alloc()={18446744073709550661:0}, 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={279:0}, ledtrig_tx_timer={278:0}, length=2364, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tx_activity=0, usb_counter=0] [L10936] tmp = ldv_skb_alloc() [L10937] return (tmp); VAL [\old(last_index)=0, \old(length)=2364, \result={18446744073709550661:0}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, length=2364, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={18446744073709550661:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, priv={18446744073709550661:100}, ref_cnt=0, set_impl={285:0}, skb={18446744073709550661:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, skb={18446744073709550661:0}, skb={18446744073709550661:0}, 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={18446744073709551334:-3}, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551324:18446744073709551333}, arg0={18446744073709550661:0}, arg0={18446744073709550661:0}, arg1=0, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, ret_val={18446744073709551334:-3}, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, priv={18446744073709550661:100}, priv->rx_pipe=0, priv->rx_urb={18446744073709550661:956}, priv->udev={18446744073709551336:18446744073709551338}, ref_cnt=0, set_impl={285:0}, size=0, skb={18446744073709550661:0}, tmp___0={18446744073709551334:-3}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, complete_fn={-1:1}, context={18446744073709550661:100}, dev={18446744073709551336:18446744073709551338}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, transfer_buffer={18446744073709551334:-3}, tx_activity=0, urb={18446744073709550661:956}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, buffer_length=0, complete_fn={-1:1}, complete_fn={-1:1}, context={18446744073709550661:100}, context={18446744073709550661:100}, dev={18446744073709551336:18446744073709551338}, dev={18446744073709551336:18446744073709551338}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, pipe=0, preambles={277:0}, ref_cnt=0, set_impl={285:0}, transfer_buffer={18446744073709551334:-3}, transfer_buffer={18446744073709551334:-3}, tx_activity=0, urb={18446744073709550661:956}, urb={18446744073709550661:956}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, priv={18446744073709550661:100}, priv->rx_pipe=0, priv->rx_urb={18446744073709550661:956}, priv->udev={18446744073709551336:18446744073709551338}, ref_cnt=0, set_impl={285:0}, size=0, skb={18446744073709550661:0}, tmp___0={18446744073709551334:-3}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, priv={18446744073709550661:100}, priv->rx_urb={18446744073709550661:956}, ref_cnt=0, set_impl={285:0}, size=0, skb={18446744073709550661:0}, tmp___0={18446744073709551334:-3}, 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={18446744073709551324:18446744073709551333}, arg0={18446744073709550661:956}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, priv={18446744073709550661:100}, priv->rx_urb={18446744073709550661:956}, ref_cnt=0, set_impl={285:0}, size=0, skb={18446744073709550661:0}, tmp___0={18446744073709551334:-3}, tx_activity=0, usb_counter=0, usb_submit_urb(priv->rx_urb, 32U)=-2] [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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, priv={18446744073709550661:100}, ref_cnt=0, ret=-2, set_impl={285:0}, size=0, skb={18446744073709550661:0}, tmp___0={18446744073709551334:-3}, 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=-2, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, priv={18446744073709550661:100}, ref_cnt=0, ret=-2, set_impl={285:0}, size=0, skb={18446744073709550661:0}, tmp___0={18446744073709551334:-3}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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)=-2, at76_supported_band={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=0, ret=-2, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=0, ret=-2, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=1, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=1, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=1, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=1, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, arg0={18446744073709550661:464}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=1, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, cancel_work_sync(& priv->work_join_bssid)=18446744073709551331, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=1, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, arg0={18446744073709550661:312}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=1, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, cancel_work_sync(& priv->work_set_promisc)=18446744073709551337, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=1, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=1, set_impl={285:0}, tx_activity=0, usb_counter=0] [L9754] EXPR (unsigned char *)priv + 1032UL VAL [(unsigned char *)priv + 1032UL=769, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_device_table=0, __mod_usb__dev_table_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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=1, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw={0:0}, hw={0:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, priv={18446744073709550661:100}, ref_cnt=1, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, arg={284:0}, arg={284:0}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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=18446744073709551332, ldvarg10={18446744073709550665:0}, ldvarg11={0:0}, ldvarg12=4294967005, ldvarg13=4294967020, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5=4294967024, ldvarg6={0:0}, ldvarg7={0:0}, ldvarg8={18446744073709550664:0}, ldvarg9={0:0}, ledtrig_tx={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tmp={0:0}, tmp___0=18446744073709551332, 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=4294967005, tmp___5=4294967024, tmp___6={0:0}, tmp___7={0:0}, tmp___8=4294967020, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, 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={18446744073709551324:18446744073709551333}, at76_channels={282:0}, at76_debug=0, at76_driver={284:0}, 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={283:0}, boot_tvec_bases={18446744073709551339:18446744073709551342}, dev_table={275:0}, firmwares={274:0}, fw_mutex={273:0}, hw_rates={276:0}, 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={279:0}, ledtrig_tx_timer={278:0}, preambles={277:0}, ref_cnt=0, set_impl={285:0}, tx_activity=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 69 procedures, 1341 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 380.8s, OverallIterations: 26, TraceHistogramMax: 13, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.5s, AutomataDifference: 319.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 88 mSolverCounterUnknown, 42261 SdHoareTripleChecker+Valid, 298.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39396 mSDsluCounter, 233464 SdHoareTripleChecker+Invalid, 284.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181151 mSDsCounter, 23425 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68122 IncrementalHoareTripleChecker+Invalid, 91635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23425 mSolverCounterUnsat, 52313 mSDtfsCounter, 68122 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4717 GetRequests, 4391 SyntacticMatches, 3 SemanticMatches, 323 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44558occurred in iteration=9, InterpolantAutomatonStates: 258, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 18.1s AutomataMinimizationTime, 25 MinimizatonAttempts, 70157 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 23.6s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 7459 NumberOfCodeBlocks, 7242 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 8399 ConstructedInterpolants, 0 QuantifiedInterpolants, 14705 SizeOfPredicates, 22 NumberOfNonLiveVariables, 49108 ConjunctsInSsa, 118 ConjunctsInUnsatCore, 39 InterpolantComputations, 20 PerfectInterpolantSequences, 11959/12222 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 22:54:48,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/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_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:54:49,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:54:49,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:54:49,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:54:49,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:54:49,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:54:49,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:54:49,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:54:49,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:54:49,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:54:49,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:54:49,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:54:49,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:54:49,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:54:49,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:54:49,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:54:49,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:54:49,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:54:49,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:54:49,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:54:49,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:54:49,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:54:49,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:54:49,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:54:49,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:54:49,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:54:49,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:54:49,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:54:49,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:54:49,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:54:49,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:54:49,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:54:49,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:54:49,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:54:49,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:54:49,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:54:49,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:54:49,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:54:49,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:54:49,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:54:49,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:54:49,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-06 22:54:49,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:54:49,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:54:49,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:54:49,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:54:49,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:54:49,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:54:49,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:54:49,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:54:49,941 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:54:49,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:54:49,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:54:49,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:54:49,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:54:49,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:54:49,942 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 22:54:49,942 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 22:54:49,943 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 22:54:49,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:54:49,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:54:49,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:54:49,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:54:49,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:54:49,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:54:49,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:54:49,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:54:49,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:54:49,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:54:49,944 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 22:54:49,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 22:54:49,944 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:54:49,944 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:54:49,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:54:49,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:54:49,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 22:54:49,945 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_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d88455bf5089be24833f69dfcbd91003e7e136bcd5efcd63ae18e59d7f59e87d [2021-12-06 22:54:50,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:54:50,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:54:50,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:54:50,200 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:54:50,201 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:54:50,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/../../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 [2021-12-06 22:54:50,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data/bc8141bf7/886521f3b6914db0a3e6630096806c3f/FLAGc77afa941 [2021-12-06 22:54:50,873 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:54:50,873 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/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 [2021-12-06 22:54:50,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data/bc8141bf7/886521f3b6914db0a3e6630096806c3f/FLAGc77afa941 [2021-12-06 22:54:51,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/data/bc8141bf7/886521f3b6914db0a3e6630096806c3f [2021-12-06 22:54:51,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:54:51,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:54:51,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:54:51,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:54:51,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:54:51,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:54:51" (1/1) ... [2021-12-06 22:54:51,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dad4a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:51, skipping insertion in model container [2021-12-06 22:54:51,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:54:51" (1/1) ... [2021-12-06 22:54:51,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:54:51,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:54:52,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/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] [2021-12-06 22:54:53,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:54:53,058 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 22:54:53,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:54:53,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/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] [2021-12-06 22:54:53,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:54:53,482 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:54:53,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/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] [2021-12-06 22:54:53,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:54:53,834 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:54:53,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53 WrapperNode [2021-12-06 22:54:53,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:54:53,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:54:53,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:54:53,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:54:53,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:53,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:54,047 INFO L137 Inliner]: procedures = 254, calls = 2983, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 5155 [2021-12-06 22:54:54,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:54:54,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:54:54,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:54:54,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:54:54,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:54,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:54,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:54,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:54,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:54,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:54,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:54,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:54:54,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:54:54,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:54:54,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:54:54,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (1/1) ... [2021-12-06 22:54:54,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:54:54,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:54:54,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:54:54,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:54:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2021-12-06 22:54:54,405 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2021-12-06 22:54:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2021-12-06 22:54:54,405 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2021-12-06 22:54:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2021-12-06 22:54:54,405 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2021-12-06 22:54:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-06 22:54:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-06 22:54:54,405 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-06 22:54:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 22:54:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 22:54:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:54:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-06 22:54:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:54:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 22:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 22:54:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-12-06 22:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-12-06 22:54:54,406 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2021-12-06 22:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2021-12-06 22:54:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2021-12-06 22:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2021-12-06 22:54:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2021-12-06 22:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2021-12-06 22:54:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:54:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-06 22:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-06 22:54:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2021-12-06 22:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2021-12-06 22:54:54,407 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2021-12-06 22:54:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2021-12-06 22:54:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 22:54:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 22:54:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-06 22:54:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-06 22:54:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 22:54:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 22:54:54,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 22:54:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 22:54:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:54:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:54:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:54:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 22:54:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 22:54:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:54:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-06 22:54:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-06 22:54:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2021-12-06 22:54:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2021-12-06 22:54:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-06 22:54:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2021-12-06 22:54:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2021-12-06 22:54:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2021-12-06 22:54:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2021-12-06 22:54:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 22:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 22:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-06 22:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 22:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-06 22:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2021-12-06 22:54:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2021-12-06 22:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 22:54:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 22:54:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2021-12-06 22:54:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2021-12-06 22:54:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2021-12-06 22:54:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2021-12-06 22:54:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-06 22:54:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-06 22:54:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-06 22:54:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 22:54:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 22:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 22:54:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 22:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-12-06 22:54:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-12-06 22:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 22:54:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 22:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-06 22:54:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-06 22:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-06 22:54:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-06 22:54:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2021-12-06 22:54:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2021-12-06 22:54:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-06 22:54:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-06 22:54:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 22:54:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 22:54:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2021-12-06 22:54:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2021-12-06 22:54:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2021-12-06 22:54:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2021-12-06 22:54:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2021-12-06 22:54:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2021-12-06 22:54:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2021-12-06 22:54:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2021-12-06 22:54:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2021-12-06 22:54:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2021-12-06 22:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-06 22:54:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-06 22:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:54:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-12-06 22:54:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-12-06 22:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 22:54:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 22:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-06 22:54:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-06 22:54:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 22:54:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 22:54:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2021-12-06 22:54:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2021-12-06 22:54:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2021-12-06 22:54:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2021-12-06 22:54:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-12-06 22:54:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-12-06 22:54:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:54:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:54:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-06 22:54:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-06 22:54:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-06 22:54:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-06 22:54:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:54:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:54:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2021-12-06 22:54:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2021-12-06 22:54:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-06 22:54:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-06 22:54:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:54:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2021-12-06 22:54:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2021-12-06 22:54:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-12-06 22:54:54,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-12-06 22:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-06 22:54:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-06 22:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 22:54:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 22:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-06 22:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-06 22:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-06 22:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 22:54:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 22:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-06 22:54:54,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-06 22:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-06 22:54:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-06 22:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-06 22:54:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-06 22:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2021-12-06 22:54:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2021-12-06 22:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 22:54:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 22:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-12-06 22:54:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-12-06 22:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-06 22:54:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-06 22:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-06 22:54:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2021-12-06 22:54:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2021-12-06 22:54:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:54:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:54:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-06 22:54:54,422 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-06 22:54:54,910 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:54:54,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:54:56,992 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 22:55:24,680 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:55:24,702 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:55:24,702 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 22:55:24,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:55:24 BoogieIcfgContainer [2021-12-06 22:55:24,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:55:24,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:55:24,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:55:24,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:55:24,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:54:51" (1/3) ... [2021-12-06 22:55:24,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d726a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:55:24, skipping insertion in model container [2021-12-06 22:55:24,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:54:53" (2/3) ... [2021-12-06 22:55:24,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d726a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:55:24, skipping insertion in model container [2021-12-06 22:55:24,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:55:24" (3/3) ... [2021-12-06 22:55:24,711 INFO L111 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 [2021-12-06 22:55:24,715 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:55:24,715 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:55:24,759 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:55:24,764 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:55:24,764 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:55:24,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 1340 states, 975 states have (on average 1.3876923076923078) internal successors, (1353), 999 states have internal predecessors, (1353), 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) [2021-12-06 22:55:24,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-06 22:55:24,815 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:55:24,816 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:55:24,817 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:55:24,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:55:24,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1194409716, now seen corresponding path program 1 times [2021-12-06 22:55:24,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:55:24,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027758876] [2021-12-06 22:55:24,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:55:24,845 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:55:24,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:55:24,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:55:24,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 22:55:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:55:28,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 3812 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 22:55:28,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:55:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-06 22:55:28,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:55:28,404 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:55:28,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027758876] [2021-12-06 22:55:28,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027758876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:55:28,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:55:28,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:55:28,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696433963] [2021-12-06 22:55:28,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:55:28,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:55:28,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:55:28,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:55:28,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:55:28,436 INFO L87 Difference]: Start difference. First operand has 1340 states, 975 states have (on average 1.3876923076923078) internal successors, (1353), 999 states have internal predecessors, (1353), 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) [2021-12-06 22:55:28,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:55:28,776 INFO L93 Difference]: Finished difference Result 2678 states and 3972 transitions. [2021-12-06 22:55:28,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:55:28,779 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 [2021-12-06 22:55:28,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:55:28,797 INFO L225 Difference]: With dead ends: 2678 [2021-12-06 22:55:28,797 INFO L226 Difference]: Without dead ends: 1329 [2021-12-06 22:55:28,807 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:55:28,810 INFO L933 BasicCegarLoop]: 1928 mSDtfsCounter, 2 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5771 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 [2021-12-06 22:55:28,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 5771 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:55:28,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2021-12-06 22:55:28,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1329. [2021-12-06 22:55:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 971 states have (on average 1.3748712667353244) internal successors, (1335), 988 states have internal predecessors, (1335), 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) [2021-12-06 22:55:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1916 transitions. [2021-12-06 22:55:28,914 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1916 transitions. Word has length 80 [2021-12-06 22:55:28,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:55:28,915 INFO L470 AbstractCegarLoop]: Abstraction has 1329 states and 1916 transitions. [2021-12-06 22:55:28,915 INFO L471 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) [2021-12-06 22:55:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1916 transitions. [2021-12-06 22:55:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-06 22:55:28,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:55:28,920 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:55:29,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:55:29,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:55:29,122 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:55:29,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:55:29,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1486109748, now seen corresponding path program 1 times [2021-12-06 22:55:29,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:55:29,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538445719] [2021-12-06 22:55:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:55:29,137 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:55:29,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:55:29,140 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:55:29,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 22:55:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:55:32,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 3834 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:55:32,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:55:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-12-06 22:55:32,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:55:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-12-06 22:55:33,460 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:55:33,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538445719] [2021-12-06 22:55:33,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538445719] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:55:33,460 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:55:33,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-06 22:55:33,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154106420] [2021-12-06 22:55:33,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:55:33,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:55:33,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:55:33,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:55:33,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:55:33,462 INFO L87 Difference]: Start difference. First operand 1329 states and 1916 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) [2021-12-06 22:55:34,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:55:34,399 INFO L93 Difference]: Finished difference Result 2648 states and 3844 transitions. [2021-12-06 22:55:34,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:55:34,401 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 [2021-12-06 22:55:34,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:55:34,410 INFO L225 Difference]: With dead ends: 2648 [2021-12-06 22:55:34,410 INFO L226 Difference]: Without dead ends: 1338 [2021-12-06 22:55:34,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:55:34,416 INFO L933 BasicCegarLoop]: 1904 mSDtfsCounter, 11 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 5710 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:55:34,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 5710 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:55:34,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2021-12-06 22:55:34,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1338. [2021-12-06 22:55:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 979 states have (on average 1.3748723186925433) internal successors, (1346), 996 states have internal predecessors, (1346), 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) [2021-12-06 22:55:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1927 transitions. [2021-12-06 22:55:34,467 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1927 transitions. Word has length 82 [2021-12-06 22:55:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:55:34,468 INFO L470 AbstractCegarLoop]: Abstraction has 1338 states and 1927 transitions. [2021-12-06 22:55:34,468 INFO L471 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) [2021-12-06 22:55:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1927 transitions. [2021-12-06 22:55:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-06 22:55:34,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:55:34,472 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:55:34,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 22:55:34,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:55:34,673 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:55:34,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:55:34,673 INFO L85 PathProgramCache]: Analyzing trace with hash 748236332, now seen corresponding path program 2 times [2021-12-06 22:55:34,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:55:34,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142035758] [2021-12-06 22:55:34,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:55:34,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:55:34,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:55:34,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:55:34,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 22:55:37,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 22:55:37,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:55:37,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 3656 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:55:37,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:55:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-12-06 22:55:37,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:55:37,895 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:55:37,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142035758] [2021-12-06 22:55:37,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142035758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:55:37,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:55:37,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:55:37,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460148800] [2021-12-06 22:55:37,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:55:37,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:55:37,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:55:37,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:55:37,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:55:37,897 INFO L87 Difference]: Start difference. First operand 1338 states and 1927 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) [2021-12-06 22:55:38,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:55:38,456 INFO L93 Difference]: Finished difference Result 3936 states and 5677 transitions. [2021-12-06 22:55:38,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:55:38,457 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 [2021-12-06 22:55:38,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:55:38,472 INFO L225 Difference]: With dead ends: 3936 [2021-12-06 22:55:38,472 INFO L226 Difference]: Without dead ends: 2622 [2021-12-06 22:55:38,477 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:55:38,478 INFO L933 BasicCegarLoop]: 2202 mSDtfsCounter, 1851 mSDsluCounter, 1889 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 4091 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:55:38,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1851 Valid, 4091 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 22:55:38,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2021-12-06 22:55:38,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 2622. [2021-12-06 22:55:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2622 states, 1920 states have (on average 1.3791666666666667) internal successors, (2648), 1954 states have internal predecessors, (2648), 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) [2021-12-06 22:55:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2622 states and 3781 transitions. [2021-12-06 22:55:38,582 INFO L78 Accepts]: Start accepts. Automaton has 2622 states and 3781 transitions. Word has length 86 [2021-12-06 22:55:38,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:55:38,582 INFO L470 AbstractCegarLoop]: Abstraction has 2622 states and 3781 transitions. [2021-12-06 22:55:38,582 INFO L471 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) [2021-12-06 22:55:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 3781 transitions. [2021-12-06 22:55:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-06 22:55:38,585 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:55:38,585 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:55:38,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 22:55:38,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:55:38,786 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:55:38,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:55:38,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1600040185, now seen corresponding path program 1 times [2021-12-06 22:55:38,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:55:38,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833763841] [2021-12-06 22:55:38,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:55:38,790 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:55:38,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:55:38,790 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:55:38,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 22:55:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:55:42,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 3949 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:55:42,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:55:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 49 proven. 3 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-12-06 22:55:43,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:55:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-12-06 22:55:44,024 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:55:44,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833763841] [2021-12-06 22:55:44,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833763841] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:55:44,024 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:55:44,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-12-06 22:55:44,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193307847] [2021-12-06 22:55:44,024 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:55:44,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 22:55:44,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:55:44,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 22:55:44,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:55:44,026 INFO L87 Difference]: Start difference. First operand 2622 states and 3781 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) [2021-12-06 22:55:45,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:55:45,583 INFO L93 Difference]: Finished difference Result 5237 states and 7597 transitions. [2021-12-06 22:55:45,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 22:55:45,584 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 [2021-12-06 22:55:45,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:55:45,607 INFO L225 Difference]: With dead ends: 5237 [2021-12-06 22:55:45,607 INFO L226 Difference]: Without dead ends: 2634 [2021-12-06 22:55:45,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2021-12-06 22:55:45,616 INFO L933 BasicCegarLoop]: 1902 mSDtfsCounter, 18 mSDsluCounter, 9484 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 11386 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 22:55:45,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 11386 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 22:55:45,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2021-12-06 22:55:45,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 2634. [2021-12-06 22:55:45,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2634 states, 1931 states have (on average 1.3780424650440186) internal successors, (2661), 1965 states have internal predecessors, (2661), 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) [2021-12-06 22:55:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2634 states and 3794 transitions. [2021-12-06 22:55:45,701 INFO L78 Accepts]: Start accepts. Automaton has 2634 states and 3794 transitions. Word has length 102 [2021-12-06 22:55:45,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:55:45,702 INFO L470 AbstractCegarLoop]: Abstraction has 2634 states and 3794 transitions. [2021-12-06 22:55:45,702 INFO L471 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) [2021-12-06 22:55:45,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3794 transitions. [2021-12-06 22:55:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 22:55:45,704 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:55:45,705 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:55:45,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 22:55:45,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:55:45,906 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:55:45,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:55:45,907 INFO L85 PathProgramCache]: Analyzing trace with hash -432894535, now seen corresponding path program 2 times [2021-12-06 22:55:45,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:55:45,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278824876] [2021-12-06 22:55:45,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:55:45,913 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:55:45,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:55:45,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:55:45,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 22:58:08,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 22:58:08,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:58:09,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 3993 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:58:09,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:58:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-12-06 22:58:09,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:58:09,846 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:58:09,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278824876] [2021-12-06 22:58:09,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278824876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:58:09,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:58:09,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:58:09,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213301141] [2021-12-06 22:58:09,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:58:09,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:58:09,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:58:09,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:58:09,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:58:09,848 INFO L87 Difference]: Start difference. First operand 2634 states and 3794 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 22:58:10,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:58:10,676 INFO L93 Difference]: Finished difference Result 7831 states and 11302 transitions. [2021-12-06 22:58:10,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:58:10,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2021-12-06 22:58:10,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:58:10,716 INFO L225 Difference]: With dead ends: 7831 [2021-12-06 22:58:10,716 INFO L226 Difference]: Without dead ends: 5221 [2021-12-06 22:58:10,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:58:10,728 INFO L933 BasicCegarLoop]: 2202 mSDtfsCounter, 1869 mSDsluCounter, 6280 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1869 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:58:10,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1869 Valid, 8482 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 22:58:10,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2021-12-06 22:58:10,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5213. [2021-12-06 22:58:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5213 states, 3820 states have (on average 1.3790575916230365) internal successors, (5268), 3888 states have internal predecessors, (5268), 1123 states have call successors, (1123), 270 states have call predecessors, (1123), 269 states have return successors, (1134), 1118 states have call predecessors, (1134), 1122 states have call successors, (1134) [2021-12-06 22:58:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 5213 states and 7525 transitions. [2021-12-06 22:58:10,903 INFO L78 Accepts]: Start accepts. Automaton has 5213 states and 7525 transitions. Word has length 106 [2021-12-06 22:58:10,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:58:10,903 INFO L470 AbstractCegarLoop]: Abstraction has 5213 states and 7525 transitions. [2021-12-06 22:58:10,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 22:58:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand 5213 states and 7525 transitions. [2021-12-06 22:58:10,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-06 22:58:10,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:58:10,912 INFO L514 BasicCegarLoop]: trace histogram [10, 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] [2021-12-06 22:58:11,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 22:58:11,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:58:11,113 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:58:11,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:58:11,114 INFO L85 PathProgramCache]: Analyzing trace with hash -935422368, now seen corresponding path program 1 times [2021-12-06 22:58:11,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:58:11,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44885415] [2021-12-06 22:58:11,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:58:11,120 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:58:11,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:58:11,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:58:11,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 22:58:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:58:15,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 4137 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 22:58:15,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:58:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 101 proven. 21 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-12-06 22:58:16,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:58:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2021-12-06 22:58:18,594 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:58:18,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44885415] [2021-12-06 22:58:18,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44885415] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:58:18,595 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:58:18,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-12-06 22:58:18,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429455935] [2021-12-06 22:58:18,595 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:58:18,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 22:58:18,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:58:18,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:58:18,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:58:18,597 INFO L87 Difference]: Start difference. First operand 5213 states and 7525 transitions. Second operand has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 22:58:22,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:58:22,091 INFO L93 Difference]: Finished difference Result 10515 states and 15363 transitions. [2021-12-06 22:58:22,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-12-06 22:58:22,092 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 154 [2021-12-06 22:58:22,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:58:22,117 INFO L225 Difference]: With dead ends: 10515 [2021-12-06 22:58:22,117 INFO L226 Difference]: Without dead ends: 5319 [2021-12-06 22:58:22,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=250, Invalid=742, Unknown=0, NotChecked=0, Total=992 [2021-12-06 22:58:22,130 INFO L933 BasicCegarLoop]: 1905 mSDtfsCounter, 83 mSDsluCounter, 13327 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 15232 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:58:22,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 15232 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 22:58:22,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5319 states. [2021-12-06 22:58:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5319 to 5279. [2021-12-06 22:58:22,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5279 states, 3882 states have (on average 1.3812467800103039) internal successors, (5362), 3950 states have internal predecessors, (5362), 1123 states have call successors, (1123), 274 states have call predecessors, (1123), 273 states have return successors, (1134), 1118 states have call predecessors, (1134), 1122 states have call successors, (1134) [2021-12-06 22:58:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 5279 states and 7619 transitions. [2021-12-06 22:58:22,284 INFO L78 Accepts]: Start accepts. Automaton has 5279 states and 7619 transitions. Word has length 154 [2021-12-06 22:58:22,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:58:22,284 INFO L470 AbstractCegarLoop]: Abstraction has 5279 states and 7619 transitions. [2021-12-06 22:58:22,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.777777777777778) internal successors, (122), 18 states have internal predecessors, (122), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 22:58:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 7619 transitions. [2021-12-06 22:58:22,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-06 22:58:22,292 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:58:22,292 INFO L514 BasicCegarLoop]: trace histogram [12, 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] [2021-12-06 22:58:22,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 22:58:22,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:58:22,493 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:58:22,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:58:22,494 INFO L85 PathProgramCache]: Analyzing trace with hash -140254528, now seen corresponding path program 2 times [2021-12-06 22:58:22,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:58:22,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957008045] [2021-12-06 22:58:22,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:58:22,498 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:58:22,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:58:22,498 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:58:22,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 23:00:40,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 23:00:40,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 23:00:40,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 4159 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:00:40,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-06 23:00:41,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:41,103 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:41,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957008045] [2021-12-06 23:00:41,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957008045] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:41,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:41,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:00:41,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118178949] [2021-12-06 23:00:41,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:41,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:00:41,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:41,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:00:41,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:00:41,105 INFO L87 Difference]: Start difference. First operand 5279 states and 7619 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 23:00:41,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:41,945 INFO L93 Difference]: Finished difference Result 12786 states and 18389 transitions. [2021-12-06 23:00:41,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:00:41,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 156 [2021-12-06 23:00:41,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:41,989 INFO L225 Difference]: With dead ends: 12786 [2021-12-06 23:00:41,989 INFO L226 Difference]: Without dead ends: 7541 [2021-12-06 23:00:42,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:00:42,001 INFO L933 BasicCegarLoop]: 2044 mSDtfsCounter, 849 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 3868 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:42,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [849 Valid, 3868 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 23:00:42,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7541 states. [2021-12-06 23:00:42,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7541 to 7528. [2021-12-06 23:00:42,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7528 states, 5572 states have (on average 1.3779612347451544) internal successors, (7678), 5652 states have internal predecessors, (7678), 1550 states have call successors, (1550), 406 states have call predecessors, (1550), 405 states have return successors, (1569), 1541 states have call predecessors, (1569), 1549 states have call successors, (1569) [2021-12-06 23:00:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7528 states to 7528 states and 10797 transitions. [2021-12-06 23:00:42,209 INFO L78 Accepts]: Start accepts. Automaton has 7528 states and 10797 transitions. Word has length 156 [2021-12-06 23:00:42,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:42,209 INFO L470 AbstractCegarLoop]: Abstraction has 7528 states and 10797 transitions. [2021-12-06 23:00:42,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 23:00:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 7528 states and 10797 transitions. [2021-12-06 23:00:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-06 23:00:42,216 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:42,216 INFO L514 BasicCegarLoop]: trace histogram [12, 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] [2021-12-06 23:00:42,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 23:00:42,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:42,417 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:42,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:42,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1951382999, now seen corresponding path program 1 times [2021-12-06 23:00:42,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:42,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237740163] [2021-12-06 23:00:42,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:42,420 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:42,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:42,421 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:42,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 23:00:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:47,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 4208 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:00:47,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-06 23:00:47,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:47,613 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:47,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237740163] [2021-12-06 23:00:47,613 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237740163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:47,613 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:47,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:00:47,613 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070192383] [2021-12-06 23:00:47,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:47,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:00:47,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:47,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:00:47,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:00:47,614 INFO L87 Difference]: Start difference. First operand 7528 states and 10797 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 23:00:48,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:48,195 INFO L93 Difference]: Finished difference Result 18538 states and 26546 transitions. [2021-12-06 23:00:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:00:48,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 168 [2021-12-06 23:00:48,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:48,232 INFO L225 Difference]: With dead ends: 18538 [2021-12-06 23:00:48,232 INFO L226 Difference]: Without dead ends: 11063 [2021-12-06 23:00:48,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:00:48,250 INFO L933 BasicCegarLoop]: 2678 mSDtfsCounter, 1210 mSDsluCounter, 1864 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:48,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1210 Valid, 4542 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:00:48,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11063 states. [2021-12-06 23:00:48,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11063 to 11048. [2021-12-06 23:00:48,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11048 states, 8147 states have (on average 1.3763348471830121) internal successors, (11213), 8287 states have internal predecessors, (11213), 2278 states have call successors, (2278), 623 states have call predecessors, (2278), 622 states have return successors, (2301), 2265 states have call predecessors, (2301), 2277 states have call successors, (2301) [2021-12-06 23:00:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11048 states to 11048 states and 15792 transitions. [2021-12-06 23:00:48,577 INFO L78 Accepts]: Start accepts. Automaton has 11048 states and 15792 transitions. Word has length 168 [2021-12-06 23:00:48,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:48,578 INFO L470 AbstractCegarLoop]: Abstraction has 11048 states and 15792 transitions. [2021-12-06 23:00:48,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 23:00:48,578 INFO L276 IsEmpty]: Start isEmpty. Operand 11048 states and 15792 transitions. [2021-12-06 23:00:48,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-06 23:00:48,594 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:48,594 INFO L514 BasicCegarLoop]: trace histogram [12, 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] [2021-12-06 23:00:48,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-06 23:00:48,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:48,795 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:48,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:48,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1163895980, now seen corresponding path program 1 times [2021-12-06 23:00:48,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:48,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731332314] [2021-12-06 23:00:48,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:48,799 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:48,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:48,800 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:48,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 23:00:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:53,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 4229 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:00:53,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:53,952 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-12-06 23:00:53,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:53,952 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:53,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731332314] [2021-12-06 23:00:53,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731332314] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:53,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:53,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:00:53,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368134075] [2021-12-06 23:00:53,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:53,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:00:53,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:53,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:00:53,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:00:53,954 INFO L87 Difference]: Start difference. First operand 11048 states and 15792 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 23:00:54,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:54,724 INFO L93 Difference]: Finished difference Result 22065 states and 31547 transitions. [2021-12-06 23:00:54,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:00:54,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (20), 2 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 180 [2021-12-06 23:00:54,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:54,753 INFO L225 Difference]: With dead ends: 22065 [2021-12-06 23:00:54,754 INFO L226 Difference]: Without dead ends: 11064 [2021-12-06 23:00:54,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:00:54,771 INFO L933 BasicCegarLoop]: 1911 mSDtfsCounter, 19 mSDsluCounter, 5730 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 7641 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:54,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 7641 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:00:54,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11064 states. [2021-12-06 23:00:55,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11064 to 11053. [2021-12-06 23:00:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11053 states, 8152 states have (on average 1.3758586849852796) internal successors, (11216), 8292 states have internal predecessors, (11216), 2278 states have call successors, (2278), 623 states have call predecessors, (2278), 622 states have return successors, (2301), 2265 states have call predecessors, (2301), 2277 states have call successors, (2301) [2021-12-06 23:00:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11053 states to 11053 states and 15795 transitions. [2021-12-06 23:00:55,115 INFO L78 Accepts]: Start accepts. Automaton has 11053 states and 15795 transitions. Word has length 180 [2021-12-06 23:00:55,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:55,115 INFO L470 AbstractCegarLoop]: Abstraction has 11053 states and 15795 transitions. [2021-12-06 23:00:55,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 23:00:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 11053 states and 15795 transitions. [2021-12-06 23:00:55,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-06 23:00:55,128 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:55,128 INFO L514 BasicCegarLoop]: trace histogram [12, 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] [2021-12-06 23:00:55,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-06 23:00:55,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:55,329 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:55,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:55,330 INFO L85 PathProgramCache]: Analyzing trace with hash 160960214, now seen corresponding path program 1 times [2021-12-06 23:00:55,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:55,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526969667] [2021-12-06 23:00:55,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:55,333 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:55,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:55,334 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:55,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-06 23:00:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:01:00,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 4229 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:01:00,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:01:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2021-12-06 23:01:01,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:01:01,814 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:01:01,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526969667] [2021-12-06 23:01:01,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526969667] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:01:01,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:01:01,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:01:01,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013302155] [2021-12-06 23:01:01,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:01:01,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:01:01,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:01:01,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:01:01,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:01:01,815 INFO L87 Difference]: Start difference. First operand 11053 states and 15795 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 23:01:02,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:01:02,513 INFO L93 Difference]: Finished difference Result 20653 states and 29674 transitions. [2021-12-06 23:01:02,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:01:02,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (20), 2 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 180 [2021-12-06 23:01:02,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:01:02,541 INFO L225 Difference]: With dead ends: 20653 [2021-12-06 23:01:02,541 INFO L226 Difference]: Without dead ends: 9657 [2021-12-06 23:01:02,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:01:02,558 INFO L933 BasicCegarLoop]: 1529 mSDtfsCounter, 1510 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:01:02,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1510 Valid, 1529 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:01:02,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9657 states. [2021-12-06 23:01:02,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9657 to 9657. [2021-12-06 23:01:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9657 states, 7148 states have (on average 1.29770565193061) internal successors, (9276), 7208 states have internal predecessors, (9276), 1910 states have call successors, (1910), 599 states have call predecessors, (1910), 598 states have return successors, (1933), 1897 states have call predecessors, (1933), 1909 states have call successors, (1933) [2021-12-06 23:01:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9657 states to 9657 states and 13119 transitions. [2021-12-06 23:01:02,827 INFO L78 Accepts]: Start accepts. Automaton has 9657 states and 13119 transitions. Word has length 180 [2021-12-06 23:01:02,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:01:02,828 INFO L470 AbstractCegarLoop]: Abstraction has 9657 states and 13119 transitions. [2021-12-06 23:01:02,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 23:01:02,828 INFO L276 IsEmpty]: Start isEmpty. Operand 9657 states and 13119 transitions. [2021-12-06 23:01:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-06 23:01:02,836 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:01:02,836 INFO L514 BasicCegarLoop]: trace histogram [12, 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] [2021-12-06 23:01:02,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-06 23:01:03,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:01:03,037 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:01:03,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:01:03,037 INFO L85 PathProgramCache]: Analyzing trace with hash 201634964, now seen corresponding path program 1 times [2021-12-06 23:01:03,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:01:03,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714539250] [2021-12-06 23:01:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:03,040 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:01:03,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:01:03,041 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:01:03,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0d9b2e-4700-4c44-ab13-793f3e5b31ea/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process