./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF --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 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:51:16,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:51:16,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:51:16,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:51:16,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:51:16,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:51:16,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:51:16,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:51:16,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:51:16,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:51:16,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:51:16,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:51:16,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:51:16,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:51:16,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:51:16,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:51:16,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:51:16,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:51:16,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:51:16,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:51:16,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:51:16,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:51:16,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:51:16,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:51:16,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:51:16,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:51:16,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:51:16,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:51:16,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:51:16,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:51:16,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:51:16,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:51:16,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:51:16,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:51:16,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:51:16,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:51:16,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:51:16,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:51:16,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:51:16,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:51:16,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:51:16,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 05:51:16,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:51:16,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:51:16,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:51:16,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:51:16,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:51:16,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:51:16,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:51:16,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:51:16,530 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:51:16,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:51:16,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:51:16,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:51:16,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:51:16,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:51:16,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:51:16,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:51:16,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:51:16,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:51:16,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:51:16,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:51:16,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:51:16,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:51:16,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:51:16,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:51:16,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:51:16,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:51:16,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 05:51:16,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:51:16,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:51:16,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:51:16,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:51:16,534 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_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2021-11-20 05:51:16,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:51:16,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:51:16,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:51:16,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:51:16,841 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:51:16,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2021-11-20 05:51:16,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data/0a39fee4d/de673bc3cecf43dd968b0cf0697ecd2f/FLAGbe5b07cfe [2021-11-20 05:51:17,755 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:51:17,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2021-11-20 05:51:17,810 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data/0a39fee4d/de673bc3cecf43dd968b0cf0697ecd2f/FLAGbe5b07cfe [2021-11-20 05:51:18,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data/0a39fee4d/de673bc3cecf43dd968b0cf0697ecd2f [2021-11-20 05:51:18,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:51:18,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:51:18,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:51:18,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:51:18,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:51:18,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:18" (1/1) ... [2021-11-20 05:51:18,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cab2f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:18, skipping insertion in model container [2021-11-20 05:51:18,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:18" (1/1) ... [2021-11-20 05:51:18,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:51:18,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:51:18,933 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-20 05:51:18,934 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-20 05:51:19,199 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_82cf5868-5a76-47b0-8051-1f4d5a9a1180/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2021-11-20 05:51:20,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:51:20,115 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:51:20,226 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-20 05:51:20,228 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-20 05:51:20,246 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_82cf5868-5a76-47b0-8051-1f4d5a9a1180/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2021-11-20 05:51:20,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:51:20,537 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:51:20,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20 WrapperNode [2021-11-20 05:51:20,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:51:20,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:51:20,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:51:20,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:51:20,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,757 INFO L137 Inliner]: procedures = 170, calls = 1019, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1557 [2021-11-20 05:51:20,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:51:20,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:51:20,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:51:20,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:51:20,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:51:20,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:51:20,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:51:20,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:51:20,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (1/1) ... [2021-11-20 05:51:20,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:51:20,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:51:20,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:51:20,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:51:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2021-11-20 05:51:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2021-11-20 05:51:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 05:51:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 05:51:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-20 05:51:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-20 05:51:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:51:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:51:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:51:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-20 05:51:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-20 05:51:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:51:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:51:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 05:51:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 05:51:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2021-11-20 05:51:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2021-11-20 05:51:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2021-11-20 05:51:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2021-11-20 05:51:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:51:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:51:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 05:51:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 05:51:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2021-11-20 05:51:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2021-11-20 05:51:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:51:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 05:51:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 05:51:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:51:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:51:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-20 05:51:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 05:51:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 05:51:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2021-11-20 05:51:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2021-11-20 05:51:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2021-11-20 05:51:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2021-11-20 05:51:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:51:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:51:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:51:21,028 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2021-11-20 05:51:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2021-11-20 05:51:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:51:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2021-11-20 05:51:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2021-11-20 05:51:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:51:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:51:21,029 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 05:51:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 05:51:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-20 05:51:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-20 05:51:21,030 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-20 05:51:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-20 05:51:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:51:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 05:51:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 05:51:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:51:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:51:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2021-11-20 05:51:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2021-11-20 05:51:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 05:51:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 05:51:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2021-11-20 05:51:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2021-11-20 05:51:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:51:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-11-20 05:51:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-11-20 05:51:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2021-11-20 05:51:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2021-11-20 05:51:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2021-11-20 05:51:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2021-11-20 05:51:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 05:51:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 05:51:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:51:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:51:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2021-11-20 05:51:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2021-11-20 05:51:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2021-11-20 05:51:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2021-11-20 05:51:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 05:51:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 05:51:21,409 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:51:21,425 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:51:22,049 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:51:22,772 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:51:22,808 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:51:22,808 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 05:51:22,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:22 BoogieIcfgContainer [2021-11-20 05:51:22,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:51:22,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:51:22,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:51:22,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:51:22,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:51:18" (1/3) ... [2021-11-20 05:51:22,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560d5a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:51:22, skipping insertion in model container [2021-11-20 05:51:22,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:20" (2/3) ... [2021-11-20 05:51:22,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@560d5a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:51:22, skipping insertion in model container [2021-11-20 05:51:22,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:22" (3/3) ... [2021-11-20 05:51:22,819 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2021-11-20 05:51:22,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:51:22,824 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:51:22,875 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:51:22,881 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 [2021-11-20 05:51:22,881 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:51:22,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2021-11-20 05:51:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 05:51:22,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:22,935 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:51:22,936 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:22,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:22,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1403727082, now seen corresponding path program 1 times [2021-11-20 05:51:22,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:51:22,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139986571] [2021-11-20 05:51:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:22,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:51:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:51:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 05:51:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:51:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 05:51:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:23,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 05:51:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 05:51:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:23,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 05:51:23,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:51:23,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139986571] [2021-11-20 05:51:23,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139986571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:23,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:23,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:51:23,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534763710] [2021-11-20 05:51:23,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:23,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:51:23,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:51:23,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:51:23,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:51:23,691 INFO L87 Difference]: Start difference. First operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 05:51:26,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:26,182 INFO L93 Difference]: Finished difference Result 1566 states and 2222 transitions. [2021-11-20 05:51:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:51:26,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2021-11-20 05:51:26,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:51:26,208 INFO L225 Difference]: With dead ends: 1566 [2021-11-20 05:51:26,208 INFO L226 Difference]: Without dead ends: 1003 [2021-11-20 05:51:26,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:51:26,222 INFO L933 BasicCegarLoop]: 711 mSDtfsCounter, 1174 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:51:26,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1244 Valid, 2254 Invalid, 1521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 05:51:26,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2021-11-20 05:51:26,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 907. [2021-11-20 05:51:26,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 675 states have (on average 1.3644444444444443) internal successors, (921), 678 states have internal predecessors, (921), 171 states have call successors, (171), 61 states have call predecessors, (171), 60 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2021-11-20 05:51:26,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1262 transitions. [2021-11-20 05:51:26,398 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1262 transitions. Word has length 58 [2021-11-20 05:51:26,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:51:26,399 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1262 transitions. [2021-11-20 05:51:26,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 05:51:26,400 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1262 transitions. [2021-11-20 05:51:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-20 05:51:26,407 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:26,408 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:51:26,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 05:51:26,408 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:26,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:26,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1087134040, now seen corresponding path program 1 times [2021-11-20 05:51:26,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:51:26,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427087873] [2021-11-20 05:51:26,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:26,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:51:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:51:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 05:51:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:51:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 05:51:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-20 05:51:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 05:51:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 05:51:26,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:51:26,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427087873] [2021-11-20 05:51:26,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427087873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:26,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:26,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:51:26,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238082768] [2021-11-20 05:51:26,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:26,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:51:26,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:51:26,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:51:26,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:51:26,597 INFO L87 Difference]: Start difference. First operand 907 states and 1262 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 05:51:27,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:27,906 INFO L93 Difference]: Finished difference Result 2159 states and 2998 transitions. [2021-11-20 05:51:27,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:51:27,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 69 [2021-11-20 05:51:27,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:51:27,926 INFO L225 Difference]: With dead ends: 2159 [2021-11-20 05:51:27,926 INFO L226 Difference]: Without dead ends: 1279 [2021-11-20 05:51:27,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 05:51:27,933 INFO L933 BasicCegarLoop]: 822 mSDtfsCounter, 630 mSDsluCounter, 1360 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:51:27,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [679 Valid, 2182 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 05:51:27,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2021-11-20 05:51:28,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1196. [2021-11-20 05:51:28,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 903 states have (on average 1.3565891472868217) internal successors, (1225), 908 states have internal predecessors, (1225), 210 states have call successors, (210), 83 states have call predecessors, (210), 82 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2021-11-20 05:51:28,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1644 transitions. [2021-11-20 05:51:28,054 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1644 transitions. Word has length 69 [2021-11-20 05:51:28,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:51:28,055 INFO L470 AbstractCegarLoop]: Abstraction has 1196 states and 1644 transitions. [2021-11-20 05:51:28,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-20 05:51:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1644 transitions. [2021-11-20 05:51:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-20 05:51:28,067 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:28,068 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 05:51:28,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 05:51:28,069 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:28,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:28,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1198872686, now seen corresponding path program 1 times [2021-11-20 05:51:28,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:51:28,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579315320] [2021-11-20 05:51:28,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:28,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:51:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:51:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 05:51:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:51:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 05:51:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 05:51:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 05:51:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 05:51:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 05:51:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:51:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-20 05:51:28,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:51:28,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579315320] [2021-11-20 05:51:28,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579315320] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:28,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:28,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 05:51:28,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958283089] [2021-11-20 05:51:28,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:28,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 05:51:28,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:51:28,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 05:51:28,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-20 05:51:28,415 INFO L87 Difference]: Start difference. First operand 1196 states and 1644 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-20 05:51:29,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:29,674 INFO L93 Difference]: Finished difference Result 1337 states and 1828 transitions. [2021-11-20 05:51:29,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 05:51:29,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2021-11-20 05:51:29,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:51:29,686 INFO L225 Difference]: With dead ends: 1337 [2021-11-20 05:51:29,687 INFO L226 Difference]: Without dead ends: 1334 [2021-11-20 05:51:29,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:51:29,696 INFO L933 BasicCegarLoop]: 649 mSDtfsCounter, 925 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:51:29,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [969 Valid, 1399 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 05:51:29,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2021-11-20 05:51:29,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1224. [2021-11-20 05:51:29,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1224 states, 922 states have (on average 1.3481561822125814) internal successors, (1243), 927 states have internal predecessors, (1243), 210 states have call successors, (210), 92 states have call predecessors, (210), 91 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2021-11-20 05:51:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1662 transitions. [2021-11-20 05:51:29,790 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1662 transitions. Word has length 89 [2021-11-20 05:51:29,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:51:29,792 INFO L470 AbstractCegarLoop]: Abstraction has 1224 states and 1662 transitions. [2021-11-20 05:51:29,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-11-20 05:51:29,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1662 transitions. [2021-11-20 05:51:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 05:51:29,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:29,801 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 05:51:29,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 05:51:29,803 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:29,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:29,803 INFO L85 PathProgramCache]: Analyzing trace with hash -552282000, now seen corresponding path program 1 times [2021-11-20 05:51:29,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:51:29,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137539634] [2021-11-20 05:51:29,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:29,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:51:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 05:51:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:29,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 05:51:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 05:51:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-20 05:51:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 05:51:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 05:51:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 05:51:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:30,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-20 05:51:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-20 05:51:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-20 05:51:30,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:51:30,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137539634] [2021-11-20 05:51:30,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137539634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:30,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:30,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:51:30,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352607096] [2021-11-20 05:51:30,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:30,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 05:51:30,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:51:30,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:51:30,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:51:30,028 INFO L87 Difference]: Start difference. First operand 1224 states and 1662 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:51:30,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:30,980 INFO L93 Difference]: Finished difference Result 2500 states and 3418 transitions. [2021-11-20 05:51:30,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 05:51:30,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 99 [2021-11-20 05:51:30,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:51:30,992 INFO L225 Difference]: With dead ends: 2500 [2021-11-20 05:51:30,993 INFO L226 Difference]: Without dead ends: 1306 [2021-11-20 05:51:30,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 05:51:31,006 INFO L933 BasicCegarLoop]: 669 mSDtfsCounter, 286 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-20 05:51:31,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 1920 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-20 05:51:31,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2021-11-20 05:51:31,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1226. [2021-11-20 05:51:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 924 states have (on average 1.3452380952380953) internal successors, (1243), 929 states have internal predecessors, (1243), 210 states have call successors, (210), 92 states have call predecessors, (210), 91 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2021-11-20 05:51:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1662 transitions. [2021-11-20 05:51:31,111 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1662 transitions. Word has length 99 [2021-11-20 05:51:31,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:51:31,112 INFO L470 AbstractCegarLoop]: Abstraction has 1226 states and 1662 transitions. [2021-11-20 05:51:31,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:51:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1662 transitions. [2021-11-20 05:51:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 05:51:31,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:31,117 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 05:51:31,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 05:51:31,118 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:31,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:31,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1573350354, now seen corresponding path program 1 times [2021-11-20 05:51:31,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:51:31,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745897139] [2021-11-20 05:51:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:31,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:51:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:31,253 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:51:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:31,469 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:51:31,470 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 05:51:31,470 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:51:31,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 05:51:31,475 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-20 05:51:31,478 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:51:31,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:51:31 BoogieIcfgContainer [2021-11-20 05:51:31,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:51:31,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:51:31,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:51:31,678 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:51:31,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:22" (3/4) ... [2021-11-20 05:51:31,681 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:51:31,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:51:31,682 INFO L158 Benchmark]: Toolchain (without parser) took 13408.45ms. Allocated memory was 104.9MB in the beginning and 302.0MB in the end (delta: 197.1MB). Free memory was 61.1MB in the beginning and 149.4MB in the end (delta: -88.3MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. [2021-11-20 05:51:31,683 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:51:31,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2260.94ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 60.8MB in the beginning and 75.0MB in the end (delta: -14.1MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-20 05:51:31,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 218.41ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 65.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:51:31,688 INFO L158 Benchmark]: Boogie Preprocessor took 165.80ms. Allocated memory is still 142.6MB. Free memory was 65.2MB in the beginning and 88.3MB in the end (delta: -23.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2021-11-20 05:51:31,689 INFO L158 Benchmark]: RCFGBuilder took 1886.76ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 88.3MB in the beginning and 154.5MB in the end (delta: -66.3MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2021-11-20 05:51:31,689 INFO L158 Benchmark]: TraceAbstraction took 8863.93ms. Allocated memory was 216.0MB in the beginning and 302.0MB in the end (delta: 86.0MB). Free memory was 153.6MB in the beginning and 149.4MB in the end (delta: 4.2MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2021-11-20 05:51:31,690 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 302.0MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:51:31,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 79.7MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2260.94ms. Allocated memory was 104.9MB in the beginning and 142.6MB in the end (delta: 37.7MB). Free memory was 60.8MB in the beginning and 75.0MB in the end (delta: -14.1MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 218.41ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 65.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 165.80ms. Allocated memory is still 142.6MB. Free memory was 65.2MB in the beginning and 88.3MB in the end (delta: -23.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1886.76ms. Allocated memory was 142.6MB in the beginning and 216.0MB in the end (delta: 73.4MB). Free memory was 88.3MB in the beginning and 154.5MB in the end (delta: -66.3MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8863.93ms. Allocated memory was 216.0MB in the beginning and 302.0MB in the end (delta: 86.0MB). Free memory was 153.6MB in the beginning and 149.4MB in the end (delta: 4.2MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 302.0MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3987]: 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 5883, overapproximation of bitwiseAnd at line 6549. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6027-L6029] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=1] [L6217] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=5, ldvarg3=6, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5] [L6223] CALL, EXPR ldv_zalloc(72UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=72, \result={0:0}, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=72, tmp___0=1] [L6223] RET, EXPR ldv_zalloc(72UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(72UL)={0:0}, ldvarg0=5, ldvarg3=6, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=5, ldvarg1=1, ldvarg3=6, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5, tmp___2={0:0}, tmp___3=1] [L6227] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=1] [L6227] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, ldvarg0=5, ldvarg1=1, ldvarg3=6, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5, tmp___2={0:0}, tmp___3=1] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 [L6233] FCALL ldv_initialize() [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=5, ldvarg1=1, ldvarg2=7, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967293, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-2, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-2, tmp___6=7] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=5, ldvarg1=1, ldvarg2=7, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967293, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-2, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-2, tmp___6=7, tmp___7=1] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=5, ldvarg1=1, ldvarg2=7, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967293, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-2, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-2, tmp___6=7, tmp___7=1, tmp___8=1] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6264] CALL, EXPR max3421_driver_init() [L6032] int tmp ; [L6034] CALL, EXPR spi_register_driver(& max3421_driver) [L6691] return __VERIFIER_nondet_int(); [L6034] RET, EXPR spi_register_driver(& max3421_driver) [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [\result=0, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp=0] [L6264] RET, EXPR max3421_driver_init() [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6268] CALL ldv_initialize_spi_driver_2() [L6159] void *tmp ; VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] CALL, EXPR ldv_zalloc(1496UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1496, \result={0:0}, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1496, tmp___0=1] [L6161] RET, EXPR ldv_zalloc(1496UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(1496UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6268] RET ldv_initialize_spi_driver_2() [L6269] ldv_state_variable_3 = 1 [L6270] CALL ldv_initialize_hc_driver_3() [L6122] void *tmp ; [L6123] void *tmp___0 ; VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] CALL, EXPR ldv_zalloc(192UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=192, \result={0:0}, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=192, tmp___0=1] [L6125] RET, EXPR ldv_zalloc(192UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(192UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] CALL, EXPR ldv_zalloc(968UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=968, \result={0:0}, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=968, tmp___0=1] [L6127] RET, EXPR ldv_zalloc(968UL) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(968UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}] [L6270] RET ldv_initialize_hc_driver_3() [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=5, ldvarg1=1, ldvarg2=7, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967293, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-2, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-2, tmp___6=7, tmp___7=1, tmp___8=1] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=5, ldvarg1=1, ldvarg2=7, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967293, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-2, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-2, tmp___6=7, tmp___7=2, tmp___8=1] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=5, ldvarg1=1, ldvarg2=7, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967293, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-2, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-2, tmp___6=7, tmp___7=2, tmp___8=1, tmp___9=10] [L6408] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=5, ldvarg1=1, ldvarg2=7, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967293, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-2, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=6, tmp___1=5, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-2, tmp___6=7, tmp___7=2, tmp___8=1, tmp___9=10] [L6409] CALL max3421_urb_enqueue(max3421_hcd_desc_group1, max3421_hcd_desc_group0, ldvarg5) VAL [\old(ldv_spin)=0, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967293, __this_module={97710505986:97710505987}, hcd={0:0}, hcd={0:0}, hcd->self.controller={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=4294967293, ref_cnt=0, urb={0:0}, urb={0:0}] [L5544] CALL, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, __this_module={97710505986:97710505987}, dev={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [\old(ldv_spin)=0, __this_module={97710505986:97710505987}, dev={-89:90}, dev={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4065] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4066] __mptr = (struct device const *)dev [L4067] tmp = (struct spi_device *)__mptr VAL [\old(ldv_spin)=0, __mptr={-89:90}, __this_module={97710505986:97710505987}, dev={-89:90}, dev={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={-89:90}] [L4071] return (tmp); VAL [\old(ldv_spin)=0, \result={-89:90}, __mptr={-89:90}, __this_module={97710505986:97710505987}, dev={-89:90}, dev={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={-89:90}] [L5544] RET, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967293, __this_module={97710505986:97710505987}, hcd={0:0}, hcd={0:0}, hcd->self.controller={-89:90}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=4294967293, ref_cnt=0, to_spi_device(hcd->self.controller)={-89:90}, urb={0:0}, urb={0:0}] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967293, __this_module={97710505986:97710505987}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=4294967293, ref_cnt=0, spi={-89:90}, tmp={-89:90}, urb={0:0}, urb={0:0}] [L5546] CALL, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, __this_module={97710505986:97710505987}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [\old(ldv_spin)=0, \result={0:899}, __this_module={97710505986:97710505987}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5546] RET, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967293, __this_module={97710505986:97710505987}, hcd={0:0}, hcd={0:0}, hcd_to_max3421(hcd)={0:899}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=4294967293, ref_cnt=0, spi={-89:90}, tmp={-89:90}, urb={0:0}, urb={0:0}] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967293, __this_module={97710505986:97710505987}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=4294967293, ref_cnt=0, spi={-89:90}, tmp={-89:90}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=97710505984] [L5550] case 0U: VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967293, __this_module={97710505986:97710505987}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=4294967293, ref_cnt=0, spi={-89:90}, tmp={-89:90}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=97710505984] [L5557] default: VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967293, __this_module={97710505986:97710505987}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=4294967293, ref_cnt=0, spi={-89:90}, tmp={-89:90}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=97710505984] [L5561] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [\old(ldv_spin)=0, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5561] RET ldv_spin_lock() VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967293, __this_module={97710505986:97710505987}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=4294967293, ref_cnt=0, spi={-89:90}, tmp={-89:90}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=97710505984] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L5564] CALL kzalloc(40UL, mem_flags) [L6513] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=4294967293, \old(ldv_spin)=0, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [\old(flags)=4294967293, \old(ldv_spin)=0, __this_module={97710505986:97710505987}, flags=4294967293, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6551] CALL ldv_error() VAL [\old(ldv_spin)=0, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3987] reach_error() VAL [\old(ldv_spin)=0, __this_module={97710505986:97710505987}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 536 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3195 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3015 mSDsluCounter, 7755 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4904 mSDsCounter, 1662 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2485 IncrementalHoareTripleChecker+Invalid, 4147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1662 mSolverCounterUnsat, 2851 mSDtfsCounter, 2485 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1226occurred in iteration=4, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 369 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 311 ConstructedInterpolants, 0 QuantifiedInterpolants, 633 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 150/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 05:51:31,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF --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 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:51:34,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:51:34,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:51:34,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:51:34,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:51:34,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:51:34,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:51:34,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:51:34,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:51:34,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:51:34,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:51:34,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:51:34,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:51:34,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:51:34,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:51:34,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:51:34,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:51:34,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:51:34,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:51:34,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:51:34,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:51:34,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:51:34,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:51:34,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:51:34,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:51:34,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:51:34,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:51:34,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:51:34,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:51:34,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:51:34,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:51:34,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:51:34,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:51:34,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:51:34,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:51:34,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:51:34,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:51:34,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:51:34,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:51:34,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:51:34,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:51:34,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-20 05:51:34,423 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:51:34,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:51:34,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:51:34,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:51:34,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 05:51:34,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 05:51:34,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:51:34,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:51:34,427 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:51:34,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:51:34,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:51:34,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 05:51:34,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 05:51:34,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 05:51:34,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 05:51:34,430 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 05:51:34,430 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 05:51:34,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:51:34,430 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:51:34,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 05:51:34,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:51:34,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:51:34,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 05:51:34,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:51:34,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:51:34,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 05:51:34,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 05:51:34,433 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 05:51:34,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 05:51:34,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 05:51:34,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 05:51:34,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 05:51:34,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:51:34,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 05:51:34,435 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_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2021-11-20 05:51:34,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:51:34,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:51:34,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:51:34,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:51:34,871 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:51:34,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2021-11-20 05:51:34,932 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data/97bc92165/50967b4fe38a4bc69130e9220c391be4/FLAG258ad1ab0 [2021-11-20 05:51:35,876 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:51:35,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2021-11-20 05:51:35,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data/97bc92165/50967b4fe38a4bc69130e9220c391be4/FLAG258ad1ab0 [2021-11-20 05:51:36,380 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/data/97bc92165/50967b4fe38a4bc69130e9220c391be4 [2021-11-20 05:51:36,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:51:36,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:51:36,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:51:36,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:51:36,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:51:36,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:36" (1/1) ... [2021-11-20 05:51:36,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503733f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:36, skipping insertion in model container [2021-11-20 05:51:36,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:51:36" (1/1) ... [2021-11-20 05:51:36,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:51:36,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:51:37,004 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-20 05:51:37,005 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-20 05:51:37,285 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_82cf5868-5a76-47b0-8051-1f4d5a9a1180/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2021-11-20 05:51:38,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:51:38,173 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-20 05:51:38,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:51:38,316 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-20 05:51:38,317 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-20 05:51:38,335 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_82cf5868-5a76-47b0-8051-1f4d5a9a1180/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2021-11-20 05:51:38,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:51:38,537 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:51:38,665 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2021-11-20 05:51:38,666 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2021-11-20 05:51:38,672 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_82cf5868-5a76-47b0-8051-1f4d5a9a1180/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i[111905,111918] [2021-11-20 05:51:38,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:51:38,929 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:51:38,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38 WrapperNode [2021-11-20 05:51:38,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:51:38,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:51:38,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:51:38,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:51:38,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,165 INFO L137 Inliner]: procedures = 178, calls = 1019, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1492 [2021-11-20 05:51:39,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:51:39,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:51:39,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:51:39,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:51:39,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:51:39,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:51:39,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:51:39,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:51:39,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (1/1) ... [2021-11-20 05:51:39,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 05:51:39,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:51:39,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 05:51:39,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 05:51:39,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 05:51:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2021-11-20 05:51:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2021-11-20 05:51:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 05:51:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 05:51:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-20 05:51:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 05:51:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-20 05:51:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-20 05:51:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-20 05:51:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 05:51:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 05:51:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-20 05:51:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-20 05:51:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 05:51:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 05:51:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 05:51:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 05:51:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2021-11-20 05:51:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2021-11-20 05:51:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2021-11-20 05:51:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2021-11-20 05:51:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 05:51:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 05:51:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 05:51:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 05:51:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2021-11-20 05:51:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2021-11-20 05:51:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 05:51:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 05:51:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 05:51:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 05:51:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-20 05:51:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 05:51:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 05:51:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2021-11-20 05:51:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2021-11-20 05:51:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2021-11-20 05:51:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2021-11-20 05:51:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 05:51:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 05:51:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:51:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2021-11-20 05:51:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2021-11-20 05:51:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:51:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2021-11-20 05:51:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2021-11-20 05:51:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 05:51:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 05:51:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 05:51:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 05:51:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-20 05:51:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-20 05:51:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-20 05:51:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-20 05:51:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 05:51:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 05:51:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 05:51:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-20 05:51:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-20 05:51:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:51:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 05:51:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 05:51:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2021-11-20 05:51:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2021-11-20 05:51:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 05:51:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 05:51:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-20 05:51:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 05:51:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 05:51:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2021-11-20 05:51:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2021-11-20 05:51:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-11-20 05:51:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-11-20 05:51:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2021-11-20 05:51:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2021-11-20 05:51:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2021-11-20 05:51:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2021-11-20 05:51:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 05:51:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 05:51:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:51:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:51:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2021-11-20 05:51:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2021-11-20 05:51:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2021-11-20 05:51:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2021-11-20 05:51:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 05:51:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 05:51:40,016 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:51:40,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:51:40,344 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 05:51:47,511 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:51:47,526 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:51:47,526 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 05:51:47,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:47 BoogieIcfgContainer [2021-11-20 05:51:47,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:51:47,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 05:51:47,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 05:51:47,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 05:51:47,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:51:36" (1/3) ... [2021-11-20 05:51:47,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a33d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:51:47, skipping insertion in model container [2021-11-20 05:51:47,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:51:38" (2/3) ... [2021-11-20 05:51:47,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a33d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:51:47, skipping insertion in model container [2021-11-20 05:51:47,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:47" (3/3) ... [2021-11-20 05:51:47,538 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--host--max3421-hcd.ko-entry_point.cil.out.i [2021-11-20 05:51:47,544 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 05:51:47,544 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 05:51:47,597 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 05:51:47,603 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 [2021-11-20 05:51:47,604 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 05:51:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2021-11-20 05:51:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-20 05:51:47,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:47,668 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:51:47,669 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:47,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:47,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1460430108, now seen corresponding path program 1 times [2021-11-20 05:51:47,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:51:47,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286681366] [2021-11-20 05:51:47,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:47,693 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:51:47,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:51:47,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:51:47,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-20 05:51:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:48,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:51:48,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:51:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 05:51:48,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:51:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 05:51:48,740 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:51:48,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286681366] [2021-11-20 05:51:48,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286681366] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:48,741 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:48,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 05:51:48,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447238299] [2021-11-20 05:51:48,744 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:48,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:51:48,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:51:48,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:51:48,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:51:48,783 INFO L87 Difference]: Start difference. First operand has 535 states, 395 states have (on average 1.379746835443038) internal successors, (545), 405 states have internal predecessors, (545), 105 states have call successors, (105), 34 states have call predecessors, (105), 33 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:51:49,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:49,045 INFO L93 Difference]: Finished difference Result 1473 states and 2085 transitions. [2021-11-20 05:51:49,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:51:49,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 58 [2021-11-20 05:51:49,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:51:49,078 INFO L225 Difference]: With dead ends: 1473 [2021-11-20 05:51:49,084 INFO L226 Difference]: Without dead ends: 910 [2021-11-20 05:51:49,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:51:49,103 INFO L933 BasicCegarLoop]: 816 mSDtfsCounter, 569 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 05:51:49,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 1540 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 05:51:49,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2021-11-20 05:51:49,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 907. [2021-11-20 05:51:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 675 states have (on average 1.3644444444444443) internal successors, (921), 678 states have internal predecessors, (921), 171 states have call successors, (171), 61 states have call predecessors, (171), 60 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2021-11-20 05:51:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1262 transitions. [2021-11-20 05:51:49,292 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1262 transitions. Word has length 58 [2021-11-20 05:51:49,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:51:49,293 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1262 transitions. [2021-11-20 05:51:49,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:51:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1262 transitions. [2021-11-20 05:51:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-20 05:51:49,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:49,315 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:51:49,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:51:49,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:51:49,532 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:49,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:49,533 INFO L85 PathProgramCache]: Analyzing trace with hash 773574401, now seen corresponding path program 1 times [2021-11-20 05:51:49,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:51:49,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [897018244] [2021-11-20 05:51:49,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:49,537 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:51:49,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:51:49,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:51:49,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-20 05:51:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:50,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:51:50,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:51:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 05:51:50,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:51:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 05:51:50,398 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:51:50,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [897018244] [2021-11-20 05:51:50,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [897018244] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:50,399 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:50,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 05:51:50,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899315324] [2021-11-20 05:51:50,399 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:50,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:51:50,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:51:50,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:51:50,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:51:50,402 INFO L87 Difference]: Start difference. First operand 907 states and 1262 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:51:50,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:50,716 INFO L93 Difference]: Finished difference Result 2081 states and 2880 transitions. [2021-11-20 05:51:50,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:51:50,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68 [2021-11-20 05:51:50,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:51:50,726 INFO L225 Difference]: With dead ends: 2081 [2021-11-20 05:51:50,727 INFO L226 Difference]: Without dead ends: 1201 [2021-11-20 05:51:50,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:51:50,731 INFO L933 BasicCegarLoop]: 847 mSDtfsCounter, 296 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:51:50,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 1481 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 05:51:50,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2021-11-20 05:51:50,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1196. [2021-11-20 05:51:50,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1196 states, 903 states have (on average 1.3565891472868217) internal successors, (1225), 908 states have internal predecessors, (1225), 210 states have call successors, (210), 83 states have call predecessors, (210), 82 states have return successors, (209), 208 states have call predecessors, (209), 209 states have call successors, (209) [2021-11-20 05:51:50,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1644 transitions. [2021-11-20 05:51:50,795 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1644 transitions. Word has length 68 [2021-11-20 05:51:50,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:51:50,796 INFO L470 AbstractCegarLoop]: Abstraction has 1196 states and 1644 transitions. [2021-11-20 05:51:50,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-20 05:51:50,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1644 transitions. [2021-11-20 05:51:50,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-20 05:51:50,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:50,802 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 05:51:50,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-20 05:51:51,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:51:51,018 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:51,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:51,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1703027901, now seen corresponding path program 1 times [2021-11-20 05:51:51,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:51:51,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965496506] [2021-11-20 05:51:51,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:51,021 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:51:51,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:51:51,023 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:51:51,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-20 05:51:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:51,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 05:51:51,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:51:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-20 05:51:51,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:51:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-20 05:51:52,304 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:51:52,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965496506] [2021-11-20 05:51:52,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965496506] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:52,304 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:52,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-20 05:51:52,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164088188] [2021-11-20 05:51:52,306 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:52,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 05:51:52,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:51:52,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 05:51:52,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-20 05:51:52,316 INFO L87 Difference]: Start difference. First operand 1196 states and 1644 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 05:51:53,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:53,076 INFO L93 Difference]: Finished difference Result 3587 states and 5199 transitions. [2021-11-20 05:51:53,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:51:53,078 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) Word has length 89 [2021-11-20 05:51:53,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:51:53,098 INFO L225 Difference]: With dead ends: 3587 [2021-11-20 05:51:53,098 INFO L226 Difference]: Without dead ends: 2421 [2021-11-20 05:51:53,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-20 05:51:53,104 INFO L933 BasicCegarLoop]: 1243 mSDtfsCounter, 647 mSDsluCounter, 7529 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 8772 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 05:51:53,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [719 Valid, 8772 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 05:51:53,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2421 states. [2021-11-20 05:51:53,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2421 to 1208. [2021-11-20 05:51:53,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1208 states, 913 states have (on average 1.352683461117196) internal successors, (1235), 918 states have internal predecessors, (1235), 210 states have call successors, (210), 83 states have call predecessors, (210), 84 states have return successors, (213), 210 states have call predecessors, (213), 209 states have call successors, (213) [2021-11-20 05:51:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1658 transitions. [2021-11-20 05:51:53,237 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1658 transitions. Word has length 89 [2021-11-20 05:51:53,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:51:53,238 INFO L470 AbstractCegarLoop]: Abstraction has 1208 states and 1658 transitions. [2021-11-20 05:51:53,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.0) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (12), 4 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 05:51:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1658 transitions. [2021-11-20 05:51:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-20 05:51:53,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:53,244 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 05:51:53,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:51:53,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:51:53,463 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:53,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:53,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1234457031, now seen corresponding path program 1 times [2021-11-20 05:51:53,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:51:53,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426818464] [2021-11-20 05:51:53,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:53,466 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:51:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:51:53,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:51:53,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-20 05:51:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:53,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:51:53,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:51:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-20 05:51:54,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:51:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-20 05:51:54,421 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:51:54,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426818464] [2021-11-20 05:51:54,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426818464] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:54,421 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:54,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 05:51:54,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466935514] [2021-11-20 05:51:54,421 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:54,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:51:54,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:51:54,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:51:54,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:51:54,423 INFO L87 Difference]: Start difference. First operand 1208 states and 1658 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-20 05:51:54,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:54,773 INFO L93 Difference]: Finished difference Result 3158 states and 4354 transitions. [2021-11-20 05:51:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:51:54,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 100 [2021-11-20 05:51:54,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:51:54,787 INFO L225 Difference]: With dead ends: 3158 [2021-11-20 05:51:54,788 INFO L226 Difference]: Without dead ends: 1980 [2021-11-20 05:51:54,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:51:54,793 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 610 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 05:51:54,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [610 Valid, 1555 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 05:51:54,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2021-11-20 05:51:54,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1975. [2021-11-20 05:51:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1975 states, 1510 states have (on average 1.3410596026490067) internal successors, (2025), 1519 states have internal predecessors, (2025), 323 states have call successors, (323), 139 states have call predecessors, (323), 141 states have return successors, (328), 323 states have call predecessors, (328), 322 states have call successors, (328) [2021-11-20 05:51:54,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2676 transitions. [2021-11-20 05:51:54,895 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2676 transitions. Word has length 100 [2021-11-20 05:51:54,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:51:54,895 INFO L470 AbstractCegarLoop]: Abstraction has 1975 states and 2676 transitions. [2021-11-20 05:51:54,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-20 05:51:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2676 transitions. [2021-11-20 05:51:54,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 05:51:54,901 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:54,901 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 05:51:54,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-20 05:51:55,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:51:55,119 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:55,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:55,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1464572768, now seen corresponding path program 1 times [2021-11-20 05:51:55,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:51:55,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850440076] [2021-11-20 05:51:55,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:55,120 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:51:55,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:51:55,121 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:51:55,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-20 05:51:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:51:55,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 05:51:55,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:51:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-20 05:51:55,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:51:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-20 05:51:55,999 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-20 05:51:56,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850440076] [2021-11-20 05:51:56,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850440076] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-20 05:51:56,000 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:51:56,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-20 05:51:56,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521536184] [2021-11-20 05:51:56,000 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-20 05:51:56,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 05:51:56,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-20 05:51:56,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:51:56,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:51:56,002 INFO L87 Difference]: Start difference. First operand 1975 states and 2676 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 05:51:56,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:51:56,121 INFO L93 Difference]: Finished difference Result 3928 states and 5334 transitions. [2021-11-20 05:51:56,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:51:56,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 99 [2021-11-20 05:51:56,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 05:51:56,134 INFO L225 Difference]: With dead ends: 3928 [2021-11-20 05:51:56,135 INFO L226 Difference]: Without dead ends: 1983 [2021-11-20 05:51:56,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:51:56,142 INFO L933 BasicCegarLoop]: 717 mSDtfsCounter, 18 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 05:51:56,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 1407 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 05:51:56,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2021-11-20 05:51:56,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1979. [2021-11-20 05:51:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1979 states, 1514 states have (on average 1.3375165125495376) internal successors, (2025), 1523 states have internal predecessors, (2025), 323 states have call successors, (323), 139 states have call predecessors, (323), 141 states have return successors, (328), 323 states have call predecessors, (328), 322 states have call successors, (328) [2021-11-20 05:51:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2676 transitions. [2021-11-20 05:51:56,241 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2676 transitions. Word has length 99 [2021-11-20 05:51:56,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 05:51:56,241 INFO L470 AbstractCegarLoop]: Abstraction has 1979 states and 2676 transitions. [2021-11-20 05:51:56,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-20 05:51:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2676 transitions. [2021-11-20 05:51:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-20 05:51:56,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 05:51:56,247 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 05:51:56,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-20 05:51:56,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:51:56,463 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 05:51:56,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:51:56,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1809326174, now seen corresponding path program 1 times [2021-11-20 05:51:56,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-20 05:51:56,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529697275] [2021-11-20 05:51:56,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:51:56,464 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-20 05:51:56,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat [2021-11-20 05:51:56,465 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-20 05:51:56,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-20 05:51:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:57,115 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:51:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:51:57,801 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-20 05:51:57,802 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 05:51:57,803 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 05:51:57,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:51:58,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 [2021-11-20 05:51:58,024 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-20 05:51:58,027 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 05:51:58,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:51:58 BoogieIcfgContainer [2021-11-20 05:51:58,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 05:51:58,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:51:58,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:51:58,282 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:51:58,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:51:47" (3/4) ... [2021-11-20 05:51:58,285 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:51:58,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:51:58,286 INFO L158 Benchmark]: Toolchain (without parser) took 21900.98ms. Allocated memory was 56.6MB in the beginning and 339.7MB in the end (delta: 283.1MB). Free memory was 25.9MB in the beginning and 278.1MB in the end (delta: -252.3MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-20 05:51:58,286 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:51:58,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2541.69ms. Allocated memory was 56.6MB in the beginning and 102.8MB in the end (delta: 46.1MB). Free memory was 25.6MB in the beginning and 34.4MB in the end (delta: -8.7MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2021-11-20 05:51:58,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.74ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 34.4MB in the beginning and 88.8MB in the end (delta: -54.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-20 05:51:58,287 INFO L158 Benchmark]: Boogie Preprocessor took 202.66ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 82.5MB in the end (delta: 6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 05:51:58,288 INFO L158 Benchmark]: RCFGBuilder took 8160.19ms. Allocated memory was 148.9MB in the beginning and 283.1MB in the end (delta: 134.2MB). Free memory was 82.5MB in the beginning and 231.2MB in the end (delta: -148.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2021-11-20 05:51:58,288 INFO L158 Benchmark]: TraceAbstraction took 10748.85ms. Allocated memory was 283.1MB in the beginning and 339.7MB in the end (delta: 56.6MB). Free memory was 231.2MB in the beginning and 278.1MB in the end (delta: -46.9MB). Peak memory consumption was 169.1MB. Max. memory is 16.1GB. [2021-11-20 05:51:58,288 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 339.7MB. Free memory is still 278.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:51:58,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 37.4MB in the beginning and 37.3MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2541.69ms. Allocated memory was 56.6MB in the beginning and 102.8MB in the end (delta: 46.1MB). Free memory was 25.6MB in the beginning and 34.4MB in the end (delta: -8.7MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.74ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 34.4MB in the beginning and 88.8MB in the end (delta: -54.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 202.66ms. Allocated memory is still 148.9MB. Free memory was 88.8MB in the beginning and 82.5MB in the end (delta: 6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 8160.19ms. Allocated memory was 148.9MB in the beginning and 283.1MB in the end (delta: 134.2MB). Free memory was 82.5MB in the beginning and 231.2MB in the end (delta: -148.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10748.85ms. Allocated memory was 283.1MB in the beginning and 339.7MB in the end (delta: 56.6MB). Free memory was 231.2MB in the beginning and 278.1MB in the end (delta: -46.9MB). Peak memory consumption was 169.1MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 339.7MB. Free memory is still 278.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3987]: 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 5883. Possible FailurePath: [L4010] int ldv_irq_1_2 = 0; [L4011] int LDV_IN_INTERRUPT = 1; [L4012] int ldv_irq_1_3 = 0; [L4013] void *ldv_irq_data_1_1 ; [L4014] int ldv_irq_1_1 = 0; [L4015] int ldv_irq_1_0 = 0; [L4016] struct urb *max3421_hcd_desc_group0 ; [L4017] int ldv_irq_line_1_3 ; [L4018] void *ldv_irq_data_1_0 ; [L4019] int ldv_state_variable_0 ; [L4020] struct usb_hcd *max3421_hcd_desc_group1 ; [L4021] int ldv_state_variable_3 ; [L4022] int ldv_irq_line_1_0 ; [L4023] int ldv_state_variable_2 ; [L4024] void *ldv_irq_data_1_3 ; [L4025] struct spi_device *max3421_driver_group0 ; [L4026] int ref_cnt ; [L4027] int ldv_irq_line_1_1 ; [L4028] void *ldv_irq_data_1_2 ; [L4029] int ldv_state_variable_1 ; [L4030] int ldv_irq_line_1_2 ; [L4208] static struct max3421_hcd *max3421_hcd_list ; [L4209-L4213] static int const hrsl_to_error[16U] = { 0, -22, -22, -22, -11, -32, -84, -71, -121, -71, -71, -84, -5, -5, -62, -75}; [L5882-L5888] static struct hc_driver max3421_hcd_desc = {"max3421", "MAX3421 USB Host-Controller Driver", 192UL, 0, 16, & max3421_reset, & max3421_start, 0, 0, & max3421_stop, 0, & max3421_get_frame_number, & max3421_urb_enqueue, & max3421_urb_dequeue, & max3421_map_urb_for_dma, & max3421_unmap_urb_for_dma, & max3421_endpoint_disable, 0, & max3421_hub_status_data, & max3421_hub_control, & max3421_bus_suspend, & max3421_bus_resume, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6027-L6029] static struct spi_driver max3421_driver = {0, & max3421_probe, & max3421_remove, 0, 0, 0, {"max3421-hcd", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}; [L6045] int ldv_retval_0 ; [L6046] int ldv_retval_1 ; [L6049] int ldv_retval_2 ; [L6545] int ldv_spin = 0; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6194] char *ldvarg7 ; [L6195] void *tmp ; [L6196] u16 ldvarg3 ; [L6197] u16 tmp___0 ; [L6198] u16 ldvarg0 ; [L6199] u16 tmp___1 ; [L6200] gfp_t ldvarg5 ; [L6201] gfp_t ldvarg6 ; [L6202] struct usb_host_endpoint *ldvarg8 ; [L6203] void *tmp___2 ; [L6204] u16 ldvarg1 ; [L6205] u16 tmp___3 ; [L6206] char *ldvarg4 ; [L6207] void *tmp___4 ; [L6208] int ldvarg9 ; [L6209] int tmp___5 ; [L6210] u16 ldvarg2 ; [L6211] u16 tmp___6 ; [L6212] int tmp___7 ; [L6213] int tmp___8 ; [L6214] int tmp___9 ; [L6215] int tmp___10 ; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=2147483648] [L6217] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6217] tmp = ldv_zalloc(1UL) [L6218] ldvarg7 = (char *)tmp [L6219] tmp___0 = __VERIFIER_nondet_u16() [L6220] ldvarg3 = tmp___0 [L6221] tmp___1 = __VERIFIER_nondet_u16() [L6222] ldvarg0 = tmp___1 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg3=13, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12] [L6223] CALL, EXPR ldv_zalloc(72UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=72, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=72, tmp___0=2147483648] [L6223] RET, EXPR ldv_zalloc(72UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(72UL)={0:0}, ldvarg0=12, ldvarg3=13, ldvarg7={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12] [L6223] tmp___2 = ldv_zalloc(72UL) [L6224] ldvarg8 = (struct usb_host_endpoint *)tmp___2 [L6225] tmp___3 = __VERIFIER_nondet_u16() [L6226] ldvarg1 = tmp___3 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg3=13, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14] [L6227] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1, tmp___0=2147483648] [L6227] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_zalloc(1UL)={0:0}, ldvarg0=12, ldvarg1=14, ldvarg3=13, ldvarg7={0:0}, ldvarg8={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14] [L6227] tmp___4 = ldv_zalloc(1UL) [L6228] ldvarg4 = (char *)tmp___4 [L6229] tmp___5 = __VERIFIER_nondet_int() [L6230] ldvarg9 = tmp___5 [L6231] tmp___6 = __VERIFIER_nondet_u16() [L6232] ldvarg2 = tmp___6 [L6233] FCALL ldv_initialize() [L6234] ldvarg5 = (gfp_t)__VERIFIER_nondet_int() [L6235] ldvarg6 = (gfp_t)__VERIFIER_nondet_int() [L6236] ldv_state_variable_1 = 1 [L6237] ref_cnt = 0 [L6238] ldv_state_variable_0 = 1 [L6239] ldv_state_variable_3 = 0 [L6240] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=1] [L6251] COND TRUE ldv_state_variable_0 != 0 [L6252] tmp___8 = __VERIFIER_nondet_int() [L6254] case 0: [L6262] case 1: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=1, tmp___8=1] [L6263] COND TRUE ldv_state_variable_0 == 1 [L6264] CALL, EXPR max3421_driver_init() [L6032] int tmp ; [L6034] CALL, EXPR spi_register_driver(& max3421_driver) [L6691] return __VERIFIER_nondet_int(); [L6034] RET, EXPR spi_register_driver(& max3421_driver) [L6034] tmp = spi_register_driver(& max3421_driver) [L6035] return (tmp); VAL [\result=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp=0] [L6264] RET, EXPR max3421_driver_init() [L6264] ldv_retval_0 = max3421_driver_init() [L6265] COND TRUE ldv_retval_0 == 0 [L6266] ldv_state_variable_0 = 3 [L6267] ldv_state_variable_2 = 1 [L6268] CALL ldv_initialize_spi_driver_2() [L6159] void *tmp ; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] CALL, EXPR ldv_zalloc(1496UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=1496, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=1496, tmp___0=2147483648] [L6161] RET, EXPR ldv_zalloc(1496UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_zalloc(1496UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6161] tmp = ldv_zalloc(1496UL) [L6162] max3421_driver_group0 = (struct spi_device *)tmp VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6268] RET ldv_initialize_spi_driver_2() [L6269] ldv_state_variable_3 = 1 [L6270] CALL ldv_initialize_hc_driver_3() [L6122] void *tmp ; [L6123] void *tmp___0 ; VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] CALL, EXPR ldv_zalloc(192UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=192, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=192, tmp___0=2147483648] [L6125] RET, EXPR ldv_zalloc(192UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(192UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6125] tmp = ldv_zalloc(192UL) [L6126] max3421_hcd_desc_group0 = (struct urb *)tmp VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] CALL, EXPR ldv_zalloc(968UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3951] void *p ; [L3952] void *tmp ; [L3953] int tmp___0 ; [L3955] tmp___0 = __VERIFIER_nondet_int() [L3956] COND TRUE tmp___0 != 0 [L3957] return ((void *)0); VAL [\old(size)=968, \result={0:0}, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, size=968, tmp___0=2147483648] [L6127] RET, EXPR ldv_zalloc(968UL) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_zalloc(968UL)={0:0}, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}] [L6127] tmp___0 = ldv_zalloc(968UL) [L6128] max3421_hcd_desc_group1 = (struct usb_hcd *)tmp___0 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}] [L6270] RET ldv_initialize_hc_driver_3() [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=1, tmp___8=1] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=2, tmp___8=1] [L6289] COND TRUE ldv_state_variable_3 != 0 [L6290] tmp___9 = __VERIFIER_nondet_int() [L6292] case 0: [L6303] case 1: [L6315] case 2: [L6327] case 3: [L6339] case 4: [L6351] case 5: [L6363] case 6: [L6375] case 7: [L6387] case 8: [L6395] case 9: [L6407] case 10: VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=2, tmp___8=1, tmp___9=10] [L6408] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0=12, ldvarg1=14, ldvarg2=15, ldvarg3=13, ldvarg4={0:0}, ldvarg5=16, ldvarg6=12, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=11, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:0}, tmp___0=13, tmp___1=12, tmp___2={0:0}, tmp___3=14, tmp___4={0:0}, tmp___5=11, tmp___6=15, tmp___7=2, tmp___8=1, tmp___9=10] [L6409] CALL max3421_urb_enqueue(max3421_hcd_desc_group1, max3421_hcd_desc_group0, ldvarg5) VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5535] struct spi_device *spi ; [L5536] struct spi_device *tmp ; [L5537] struct max3421_hcd *max3421_hcd ; [L5538] struct max3421_hcd *tmp___0 ; [L5539] struct max3421_ep *max3421_ep ; [L5540] unsigned long flags ; [L5541] int retval ; [L5542] void *tmp___1 ; [L5544] EXPR hcd->self.controller VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hcd->self.controller={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, urb={0:0}, urb={0:0}] [L5544] CALL, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, __this_module={0:0}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; VAL [\old(ldv_spin)=0, __this_module={0:0}, dev={0:-9223372036854775808}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4065] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4066] __mptr = (struct device const *)dev [L4067] tmp = (struct spi_device *)__mptr VAL [\old(ldv_spin)=0, __mptr={0:-9223372036854775808}, __this_module={0:0}, dev={0:-9223372036854775808}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:-9223372036854775808}] [L4071] return (tmp); VAL [\old(ldv_spin)=0, \result={0:-9223372036854775808}, __mptr={0:-9223372036854775808}, __this_module={0:0}, dev={0:-9223372036854775808}, dev={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0, tmp={0:-9223372036854775808}] [L5544] RET, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hcd->self.controller={0:-9223372036854775808}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, to_spi_device(hcd->self.controller)={0:-9223372036854775808}, urb={0:0}, urb={0:0}] [L5544] tmp = to_spi_device(hcd->self.controller) [L5545] spi = tmp VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, urb={0:0}, urb={0:0}] [L5546] CALL, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, __this_module={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L4223] return ((struct max3421_hcd *)(& hcd->hcd_priv)); VAL [\old(ldv_spin)=0, \result={0:899}, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5546] RET, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hcd_to_max3421(hcd)={0:899}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, urb={0:0}, urb={0:0}] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5550] case 0U: VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5557] default: VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5561] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6582] ldv_spin = 1 VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L5561] RET ldv_spin_lock() VAL [\old(ldv_spin)=0, \old(mem_flags)=16, __this_module={0:0}, hcd={0:0}, hcd={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd={0:899}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, mem_flags=16, ref_cnt=0, spi={0:-9223372036854775808}, tmp={0:-9223372036854775808}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=-2147483648] [L5562] EXPR urb->ep [L5562] EXPR (urb->ep)->hcpriv [L5562] max3421_ep = (struct max3421_ep *)(urb->ep)->hcpriv [L5563] COND TRUE (unsigned long )max3421_ep == (unsigned long )((struct max3421_ep *)0) [L5564] CALL kzalloc(40UL, mem_flags) [L6513] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=16, \old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6549] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [\old(flags)=16, \old(ldv_spin)=0, __this_module={0:0}, flags=16, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L6551] CALL ldv_error() VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] [L3987] reach_error() VAL [\old(ldv_spin)=0, __this_module={0:0}, hrsl_to_error={87:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, max3421_driver={89:0}, max3421_driver_group0={0:0}, max3421_hcd_desc={88:0}, max3421_hcd_desc_group0={0:0}, max3421_hcd_desc_group1={0:0}, max3421_hcd_list={86:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 536 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2217 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2140 mSDsluCounter, 14755 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10182 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 4573 mSDtfsCounter, 245 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 821 GetRequests, 807 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1979occurred in iteration=5, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 1230 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 513 NumberOfCodeBlocks, 513 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 818 ConstructedInterpolants, 0 QuantifiedInterpolants, 1020 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3340 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 426/426 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-20 05:51:58,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82cf5868-5a76-47b0-8051-1f4d5a9a1180/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample