./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/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_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:34:59,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:34:59,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:34:59,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:34:59,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:34:59,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:34:59,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:34:59,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:34:59,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:34:59,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:34:59,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:34:59,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:34:59,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:34:59,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:34:59,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:34:59,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:34:59,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:34:59,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:34:59,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:34:59,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:34:59,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:34:59,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:34:59,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:34:59,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:34:59,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:34:59,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:34:59,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:34:59,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:34:59,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:34:59,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:34:59,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:34:59,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:34:59,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:34:59,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:34:59,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:34:59,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:34:59,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:34:59,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:34:59,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:34:59,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:34:59,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:34:59,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:34:59,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:34:59,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:34:59,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:34:59,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:34:59,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:34:59,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:34:59,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:34:59,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:34:59,833 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:34:59,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:34:59,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:34:59,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:34:59,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:34:59,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:34:59,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:34:59,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:34:59,836 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:34:59,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:34:59,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:34:59,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:34:59,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:34:59,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:34:59,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:34:59,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:34:59,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:34:59,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:34:59,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:34:59,838 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:34:59,838 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:34:59,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:34:59,840 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_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2022-11-02 20:35:00,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:35:00,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:35:00,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:35:00,173 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:35:00,173 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:35:00,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/../../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 [2022-11-02 20:35:00,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data/a012e32ee/ba3ed503d0804c48b0decd8637ce188e/FLAGc7d5c05f1 [2022-11-02 20:35:01,037 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:35:01,038 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/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 [2022-11-02 20:35:01,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data/a012e32ee/ba3ed503d0804c48b0decd8637ce188e/FLAGc7d5c05f1 [2022-11-02 20:35:01,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data/a012e32ee/ba3ed503d0804c48b0decd8637ce188e [2022-11-02 20:35:01,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:35:01,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:35:01,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:01,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:35:01,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:35:01,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:01" (1/1) ... [2022-11-02 20:35:01,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c12b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:01, skipping insertion in model container [2022-11-02 20:35:01,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:01" (1/1) ... [2022-11-02 20:35:01,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:35:01,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:02,229 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-02 20:35:02,230 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-02 20:35:02,445 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_3377395f-146c-43fd-a09e-6d8edc736429/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] [2022-11-02 20:35:03,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:03,112 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:35:03,227 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-02 20:35:03,228 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-02 20:35:03,238 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_3377395f-146c-43fd-a09e-6d8edc736429/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] [2022-11-02 20:35:03,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:03,560 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:35:03,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03 WrapperNode [2022-11-02 20:35:03,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:03,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:03,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:35:03,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:35:03,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,696 INFO L138 Inliner]: procedures = 170, calls = 1019, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1557 [2022-11-02 20:35:03,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:03,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:35:03,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:35:03,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:35:03,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,805 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:35:03,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:35:03,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:35:03,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:35:03,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (1/1) ... [2022-11-02 20:35:03,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:03,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:03,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:03,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:35:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2022-11-02 20:35:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2022-11-02 20:35:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:35:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:35:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-02 20:35:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-02 20:35:03,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:35:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:35:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:35:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-02 20:35:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-02 20:35:03,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:35:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:35:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:35:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:35:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2022-11-02 20:35:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2022-11-02 20:35:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2022-11-02 20:35:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2022-11-02 20:35:03,940 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:35:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:35:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:35:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:35:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2022-11-02 20:35:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2022-11-02 20:35:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:35:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:35:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:35:03,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:35:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:35:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-02 20:35:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:35:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:35:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2022-11-02 20:35:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2022-11-02 20:35:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2022-11-02 20:35:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2022-11-02 20:35:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:35:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:35:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:35:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2022-11-02 20:35:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2022-11-02 20:35:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:35:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2022-11-02 20:35:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2022-11-02 20:35:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:35:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:35:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:35:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:35:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-02 20:35:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-02 20:35:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-02 20:35:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-02 20:35:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:35:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:35:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:35:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:35:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:35:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2022-11-02 20:35:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2022-11-02 20:35:03,949 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:35:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:35:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-11-02 20:35:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-11-02 20:35:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:35:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-02 20:35:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-02 20:35:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2022-11-02 20:35:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2022-11-02 20:35:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2022-11-02 20:35:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2022-11-02 20:35:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:35:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:35:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:35:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:35:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2022-11-02 20:35:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2022-11-02 20:35:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2022-11-02 20:35:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2022-11-02 20:35:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:35:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:35:04,490 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:35:04,495 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:35:05,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:35:06,102 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:35:06,126 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:35:06,127 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:35:06,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:06 BoogieIcfgContainer [2022-11-02 20:35:06,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:35:06,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:35:06,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:35:06,139 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:35:06,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:35:01" (1/3) ... [2022-11-02 20:35:06,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c5d600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:06, skipping insertion in model container [2022-11-02 20:35:06,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:03" (2/3) ... [2022-11-02 20:35:06,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c5d600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:06, skipping insertion in model container [2022-11-02 20:35:06,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:06" (3/3) ... [2022-11-02 20:35:06,143 INFO L112 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 [2022-11-02 20:35:06,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:35:06,168 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:35:06,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:35:06,264 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33ffc61e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:35:06,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:35:06,271 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) [2022-11-02 20:35:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-02 20:35:06,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:06,293 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:06,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:06,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:06,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1403727082, now seen corresponding path program 1 times [2022-11-02 20:35:06,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:06,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426043027] [2022-11-02 20:35:06,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:06,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:35:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:35:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:06,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:35:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:35:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:06,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 20:35:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:06,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:35:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:35:06,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:06,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426043027] [2022-11-02 20:35:06,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426043027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:06,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:06,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:35:06,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294846038] [2022-11-02 20:35:06,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:06,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:35:06,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:07,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:35:07,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:35:07,016 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) [2022-11-02 20:35:09,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:09,698 INFO L93 Difference]: Finished difference Result 1566 states and 2222 transitions. [2022-11-02 20:35:09,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:09,701 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 [2022-11-02 20:35:09,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:09,752 INFO L225 Difference]: With dead ends: 1566 [2022-11-02 20:35:09,752 INFO L226 Difference]: Without dead ends: 1003 [2022-11-02 20:35:09,761 INFO L412 NwaCegarLoop]: 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 [2022-11-02 20:35:09,764 INFO L413 NwaCegarLoop]: 711 mSDtfsCounter, 1174 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 1619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:09,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 2156 Invalid, 1619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-02 20:35:09,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2022-11-02 20:35:09,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 907. [2022-11-02 20:35:09,981 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) [2022-11-02 20:35:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1262 transitions. [2022-11-02 20:35:09,992 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1262 transitions. Word has length 58 [2022-11-02 20:35:09,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:09,993 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1262 transitions. [2022-11-02 20:35:09,994 INFO L496 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) [2022-11-02 20:35:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1262 transitions. [2022-11-02 20:35:10,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-02 20:35:10,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:10,001 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:10,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:35:10,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:10,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:10,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1087134040, now seen corresponding path program 1 times [2022-11-02 20:35:10,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:10,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564002021] [2022-11-02 20:35:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:10,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:10,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:35:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:10,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:35:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:35:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:10,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:35:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:35:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:10,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:35:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:35:10,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:10,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564002021] [2022-11-02 20:35:10,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564002021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:10,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:10,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:35:10,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212875105] [2022-11-02 20:35:10,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:10,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:10,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:10,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:10,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:10,301 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) [2022-11-02 20:35:11,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:11,798 INFO L93 Difference]: Finished difference Result 2159 states and 2998 transitions. [2022-11-02 20:35:11,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:11,799 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 [2022-11-02 20:35:11,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:11,810 INFO L225 Difference]: With dead ends: 2159 [2022-11-02 20:35:11,811 INFO L226 Difference]: Without dead ends: 1279 [2022-11-02 20:35:11,817 INFO L412 NwaCegarLoop]: 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 [2022-11-02 20:35:11,819 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 630 mSDsluCounter, 1242 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 2064 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:11,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 2064 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [330 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-02 20:35:11,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2022-11-02 20:35:11,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1196. [2022-11-02 20:35:11,944 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) [2022-11-02 20:35:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1644 transitions. [2022-11-02 20:35:11,952 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1644 transitions. Word has length 69 [2022-11-02 20:35:11,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:11,953 INFO L495 AbstractCegarLoop]: Abstraction has 1196 states and 1644 transitions. [2022-11-02 20:35:11,953 INFO L496 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) [2022-11-02 20:35:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1644 transitions. [2022-11-02 20:35:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-02 20:35:11,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:11,960 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:11,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:35:11,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:11,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:11,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1198872686, now seen corresponding path program 1 times [2022-11-02 20:35:11,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:11,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542748689] [2022-11-02 20:35:11,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:11,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:35:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:35:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:35:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:35:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:35:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:35:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-02 20:35:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:35:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:35:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:12,315 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-02 20:35:12,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:12,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542748689] [2022-11-02 20:35:12,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542748689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:12,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:12,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:35:12,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222583976] [2022-11-02 20:35:12,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:12,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:35:12,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:12,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:35:12,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:35:12,326 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) [2022-11-02 20:35:13,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:13,728 INFO L93 Difference]: Finished difference Result 1337 states and 1828 transitions. [2022-11-02 20:35:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:35:13,729 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 [2022-11-02 20:35:13,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:13,737 INFO L225 Difference]: With dead ends: 1337 [2022-11-02 20:35:13,737 INFO L226 Difference]: Without dead ends: 1334 [2022-11-02 20:35:13,738 INFO L412 NwaCegarLoop]: 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 [2022-11-02 20:35:13,740 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 925 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:13,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 1369 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:35:13,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2022-11-02 20:35:13,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1224. [2022-11-02 20:35:13,808 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) [2022-11-02 20:35:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1662 transitions. [2022-11-02 20:35:13,815 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1662 transitions. Word has length 89 [2022-11-02 20:35:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:13,815 INFO L495 AbstractCegarLoop]: Abstraction has 1224 states and 1662 transitions. [2022-11-02 20:35:13,816 INFO L496 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) [2022-11-02 20:35:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1662 transitions. [2022-11-02 20:35:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-02 20:35:13,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:13,821 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:13,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:35:13,822 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:13,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:13,822 INFO L85 PathProgramCache]: Analyzing trace with hash -552282000, now seen corresponding path program 1 times [2022-11-02 20:35:13,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:13,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839443000] [2022-11-02 20:35:13,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:13,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:35:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:35:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:35:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:35:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:35:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:35:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 20:35:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:35:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:35:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-02 20:35:14,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:35:14,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839443000] [2022-11-02 20:35:14,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839443000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:14,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:14,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:35:14,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253378961] [2022-11-02 20:35:14,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:14,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:35:14,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:35:14,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:35:14,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:35:14,179 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) [2022-11-02 20:35:15,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:15,338 INFO L93 Difference]: Finished difference Result 2500 states and 3418 transitions. [2022-11-02 20:35:15,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:35:15,339 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 [2022-11-02 20:35:15,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:15,348 INFO L225 Difference]: With dead ends: 2500 [2022-11-02 20:35:15,348 INFO L226 Difference]: Without dead ends: 1306 [2022-11-02 20:35:15,352 INFO L412 NwaCegarLoop]: 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 [2022-11-02 20:35:15,364 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 286 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:15,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1808 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:35:15,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-11-02 20:35:15,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1226. [2022-11-02 20:35:15,433 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) [2022-11-02 20:35:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1662 transitions. [2022-11-02 20:35:15,440 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1662 transitions. Word has length 99 [2022-11-02 20:35:15,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:15,441 INFO L495 AbstractCegarLoop]: Abstraction has 1226 states and 1662 transitions. [2022-11-02 20:35:15,441 INFO L496 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) [2022-11-02 20:35:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1662 transitions. [2022-11-02 20:35:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-02 20:35:15,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:15,453 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:15,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:35:15,453 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:15,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:15,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1573350354, now seen corresponding path program 1 times [2022-11-02 20:35:15,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:35:15,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133261665] [2022-11-02 20:35:15,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:15,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:35:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:15,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:15,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:15,855 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:35:15,856 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:35:15,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:35:15,861 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:35:15,866 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:35:16,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:35:16 BoogieIcfgContainer [2022-11-02 20:35:16,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:35:16,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:35:16,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:35:16,051 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:35:16,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:06" (3/4) ... [2022-11-02 20:35:16,055 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:35:16,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:35:16,056 INFO L158 Benchmark]: Toolchain (without parser) took 14466.63ms. Allocated memory was 102.8MB in the beginning and 287.3MB in the end (delta: 184.5MB). Free memory was 60.8MB in the beginning and 161.1MB in the end (delta: -100.3MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2022-11-02 20:35:16,056 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:16,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1967.72ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 85.3MB in the end (delta: -24.8MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-11-02 20:35:16,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.96ms. Allocated memory is still 136.3MB. Free memory was 85.3MB in the beginning and 74.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:35:16,057 INFO L158 Benchmark]: Boogie Preprocessor took 138.61ms. Allocated memory is still 136.3MB. Free memory was 74.9MB in the beginning and 65.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:35:16,058 INFO L158 Benchmark]: RCFGBuilder took 2295.22ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 65.0MB in the beginning and 93.9MB in the end (delta: -28.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-11-02 20:35:16,058 INFO L158 Benchmark]: TraceAbstraction took 9915.29ms. Allocated memory was 192.9MB in the beginning and 287.3MB in the end (delta: 94.4MB). Free memory was 92.9MB in the beginning and 161.1MB in the end (delta: -68.3MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-11-02 20:35:16,058 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 287.3MB. Free memory is still 161.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:16,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1967.72ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 85.3MB in the end (delta: -24.8MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.96ms. Allocated memory is still 136.3MB. Free memory was 85.3MB in the beginning and 74.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.61ms. Allocated memory is still 136.3MB. Free memory was 74.9MB in the beginning and 65.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2295.22ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 65.0MB in the beginning and 93.9MB in the end (delta: -28.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9915.29ms. Allocated memory was 192.9MB in the beginning and 287.3MB in the end (delta: 94.4MB). Free memory was 92.9MB in the beginning and 161.1MB in the end (delta: -68.3MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 287.3MB. Free memory is still 161.1MB. 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, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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=-2] [L6217] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505987:97710505988}, 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={97710505987:97710505988}, 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=7, 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=7] [L6223] CALL, EXPR ldv_zalloc(72UL) VAL [__this_module={97710505987:97710505988}, 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={97710505987:97710505988}, 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=-3] [L6223] RET, EXPR ldv_zalloc(72UL) VAL [__this_module={97710505987:97710505988}, 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=7, 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=7] [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={97710505987:97710505988}, 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=7, 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=7, tmp___2={0:0}, tmp___3=1] [L6227] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505987:97710505988}, 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={97710505987:97710505988}, 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=-4] [L6227] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={97710505987:97710505988}, 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=7, 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=7, 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={97710505987:97710505988}, 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=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967289, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, 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=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={97710505987:97710505988}, 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=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967289, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, 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=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, 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={97710505987:97710505988}, 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=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967289, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, 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=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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=-8] [L6161] RET, EXPR ldv_zalloc(1496UL) VAL [__this_module={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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=-9] [L6125] RET, EXPR ldv_zalloc(192UL) VAL [__this_module={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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=-10] [L6127] RET, EXPR ldv_zalloc(968UL) VAL [__this_module={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967289, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, 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=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, tmp___7=1, tmp___8=1] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={97710505987:97710505988}, 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=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967289, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, 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=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, 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={97710505987:97710505988}, 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=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967289, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, 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=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, tmp___7=2, tmp___8=1, tmp___9=10] [L6408] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={97710505987:97710505988}, 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=7, ldvarg1=1, ldvarg2=2, ldvarg3=6, ldvarg4={0:0}, ldvarg5=4294967289, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-6, 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=7, tmp___2={0:0}, tmp___3=1, tmp___4={0:0}, tmp___5=-6, tmp___6=2, 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={97710505987:97710505988}, 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)=4294967289, __this_module={97710505987:97710505988}, 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=4294967289, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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)=4294967289, __this_module={97710505987:97710505988}, 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=4294967289, 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)=4294967289, __this_module={97710505987:97710505988}, 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=4294967289, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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)=4294967289, __this_module={97710505987:97710505988}, 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=4294967289, 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)=4294967289, __this_module={97710505987:97710505988}, 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=4294967289, 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)=4294967289, __this_module={97710505987:97710505988}, 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=4294967289, 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)=4294967289, __this_module={97710505987:97710505988}, 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=4294967289, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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)=4294967289, __this_module={97710505987:97710505988}, 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=4294967289, 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)=4294967289, \old(ldv_spin)=0, __this_module={97710505987:97710505988}, 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)=4294967289, \old(ldv_spin)=0, __this_module={97710505987:97710505988}, flags=4294967289, 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={97710505987:97710505988}, 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={97710505987:97710505988}, 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: 9.6s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3195 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3015 mSDsluCounter, 7397 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4546 mSDsCounter, 1662 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2843 IncrementalHoareTripleChecker+Invalid, 4505 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1662 mSolverCounterUnsat, 2851 mSDtfsCounter, 2843 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, 1.1s 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 [2022-11-02 20:35:16,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/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_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:35:18,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:35:18,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:35:18,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:35:18,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:35:18,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:35:18,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:35:18,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:35:18,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:35:18,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:35:18,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:35:18,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:35:18,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:35:18,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:35:18,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:35:18,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:35:18,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:35:18,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:35:18,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:35:18,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:35:18,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:35:18,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:35:18,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:35:18,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:35:18,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:35:18,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:35:18,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:35:18,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:35:18,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:35:18,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:35:18,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:35:18,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:35:18,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:35:18,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:35:18,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:35:18,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:35:18,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:35:18,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:35:18,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:35:18,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:35:18,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:35:18,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:35:18,708 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:35:18,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:35:18,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:35:18,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:35:18,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:35:18,712 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:35:18,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:35:18,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:35:18,714 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:35:18,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:35:18,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:35:18,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:35:18,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:35:18,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:35:18,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:35:18,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:35:18,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:35:18,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:35:18,717 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:35:18,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:35:18,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:35:18,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:35:18,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:35:18,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:18,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:35:18,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:35:18,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:35:18,720 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:35:18,720 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:35:18,720 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:35:18,720 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:35:18,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:35:18,721 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:35:18,721 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_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2022-11-02 20:35:19,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:35:19,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:35:19,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:35:19,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:35:19,145 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:35:19,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/../../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 [2022-11-02 20:35:19,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data/fc4943134/f09b7376073e448aa1ae4ddd639fd904/FLAG5f65df375 [2022-11-02 20:35:20,026 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:35:20,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/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 [2022-11-02 20:35:20,063 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data/fc4943134/f09b7376073e448aa1ae4ddd639fd904/FLAG5f65df375 [2022-11-02 20:35:20,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/data/fc4943134/f09b7376073e448aa1ae4ddd639fd904 [2022-11-02 20:35:20,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:35:20,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:35:20,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:20,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:35:20,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:35:20,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:20" (1/1) ... [2022-11-02 20:35:20,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4bc350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:20, skipping insertion in model container [2022-11-02 20:35:20,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:35:20" (1/1) ... [2022-11-02 20:35:20,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:35:20,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:20,709 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-02 20:35:20,710 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-02 20:35:20,937 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_3377395f-146c-43fd-a09e-6d8edc736429/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] [2022-11-02 20:35:21,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:21,621 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-02 20:35:21,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:35:21,784 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-02 20:35:21,784 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-02 20:35:21,793 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_3377395f-146c-43fd-a09e-6d8edc736429/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] [2022-11-02 20:35:21,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:21,993 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:35:22,116 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-02 20:35:22,116 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3715-3716] [2022-11-02 20:35:22,127 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_3377395f-146c-43fd-a09e-6d8edc736429/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] [2022-11-02 20:35:22,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:35:22,384 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:35:22,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22 WrapperNode [2022-11-02 20:35:22,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:35:22,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:22,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:35:22,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:35:22,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,572 INFO L138 Inliner]: procedures = 178, calls = 1019, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1492 [2022-11-02 20:35:22,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:35:22,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:35:22,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:35:22,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:35:22,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,728 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:35:22,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:35:22,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:35:22,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:35:22,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (1/1) ... [2022-11-02 20:35:22,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:35:22,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:22,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:22,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:35:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-02 20:35:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2022-11-02 20:35:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2022-11-02 20:35:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:35:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:35:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-02 20:35:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-02 20:35:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-02 20:35:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-02 20:35:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-02 20:35:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:35:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:35:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-02 20:35:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-02 20:35:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:35:22,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:35:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:35:22,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:35:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2022-11-02 20:35:22,857 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2022-11-02 20:35:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2022-11-02 20:35:22,858 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2022-11-02 20:35:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:35:22,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:35:22,858 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:35:22,859 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:35:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2022-11-02 20:35:22,859 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2022-11-02 20:35:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:35:22,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:35:22,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:35:22,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:35:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-02 20:35:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:35:22,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:35:22,860 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2022-11-02 20:35:22,860 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2022-11-02 20:35:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2022-11-02 20:35:22,861 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2022-11-02 20:35:22,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:35:22,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:35:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:35:22,862 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2022-11-02 20:35:22,862 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2022-11-02 20:35:22,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:35:22,864 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2022-11-02 20:35:22,864 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2022-11-02 20:35:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:35:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:35:22,865 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:35:22,866 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:35:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-02 20:35:22,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-02 20:35:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-02 20:35:22,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-02 20:35:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:35:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:35:22,867 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:35:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-02 20:35:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-02 20:35:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:35:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-02 20:35:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:35:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2022-11-02 20:35:22,869 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2022-11-02 20:35:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 20:35:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-02 20:35:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-02 20:35:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:35:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:35:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-11-02 20:35:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-11-02 20:35:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-02 20:35:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-02 20:35:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2022-11-02 20:35:22,871 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2022-11-02 20:35:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2022-11-02 20:35:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2022-11-02 20:35:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:35:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:35:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:35:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:35:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2022-11-02 20:35:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2022-11-02 20:35:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2022-11-02 20:35:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2022-11-02 20:35:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:35:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:35:23,489 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:35:23,505 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:35:23,829 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:35:30,427 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:35:30,441 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:35:30,443 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:35:30,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:30 BoogieIcfgContainer [2022-11-02 20:35:30,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:35:30,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:35:30,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:35:30,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:35:30,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:35:20" (1/3) ... [2022-11-02 20:35:30,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70effb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:30, skipping insertion in model container [2022-11-02 20:35:30,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:35:22" (2/3) ... [2022-11-02 20:35:30,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70effb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:35:30, skipping insertion in model container [2022-11-02 20:35:30,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:30" (3/3) ... [2022-11-02 20:35:30,458 INFO L112 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 [2022-11-02 20:35:30,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:35:30,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:35:30,539 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:35:30,547 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c3ffce1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:35:30,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:35:30,553 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) [2022-11-02 20:35:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-02 20:35:30,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:30,588 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:30,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:30,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:30,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1460430108, now seen corresponding path program 1 times [2022-11-02 20:35:30,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:30,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404940358] [2022-11-02 20:35:30,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:30,617 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:30,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:30,621 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:30,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:35:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:31,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:35:31,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:35:31,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:31,380 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:31,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404940358] [2022-11-02 20:35:31,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [404940358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:31,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:31,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:35:31,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169693447] [2022-11-02 20:35:31,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:31,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:31,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:31,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:31,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:31,488 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 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:35:31,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:31,825 INFO L93 Difference]: Finished difference Result 1473 states and 2085 transitions. [2022-11-02 20:35:31,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:31,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2022-11-02 20:35:31,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:31,857 INFO L225 Difference]: With dead ends: 1473 [2022-11-02 20:35:31,857 INFO L226 Difference]: Without dead ends: 910 [2022-11-02 20:35:31,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:31,873 INFO L413 NwaCegarLoop]: 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 [2022-11-02 20:35:31,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1540 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:35:31,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-11-02 20:35:32,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 907. [2022-11-02 20:35:32,042 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) [2022-11-02 20:35:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1262 transitions. [2022-11-02 20:35:32,054 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1262 transitions. Word has length 58 [2022-11-02 20:35:32,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:32,054 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1262 transitions. [2022-11-02 20:35:32,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:35:32,055 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1262 transitions. [2022-11-02 20:35:32,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-02 20:35:32,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:32,067 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:32,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-02 20:35:32,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:32,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:32,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:32,272 INFO L85 PathProgramCache]: Analyzing trace with hash 773574401, now seen corresponding path program 1 times [2022-11-02 20:35:32,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:32,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [511737877] [2022-11-02 20:35:32,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:32,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:32,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:32,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:32,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:35:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:32,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:35:32,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:32,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:35:32,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:32,867 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:32,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [511737877] [2022-11-02 20:35:32,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [511737877] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:32,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:32,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:35:32,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186496998] [2022-11-02 20:35:32,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:32,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:32,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:32,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:32,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:32,872 INFO L87 Difference]: Start difference. First operand 907 states and 1262 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:35:33,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:33,190 INFO L93 Difference]: Finished difference Result 2081 states and 2880 transitions. [2022-11-02 20:35:33,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:33,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2022-11-02 20:35:33,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:33,198 INFO L225 Difference]: With dead ends: 2081 [2022-11-02 20:35:33,199 INFO L226 Difference]: Without dead ends: 1201 [2022-11-02 20:35:33,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:33,204 INFO L413 NwaCegarLoop]: 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 [2022-11-02 20:35:33,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1481 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:35:33,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-11-02 20:35:33,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1196. [2022-11-02 20:35:33,301 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) [2022-11-02 20:35:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1644 transitions. [2022-11-02 20:35:33,308 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1644 transitions. Word has length 68 [2022-11-02 20:35:33,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:33,309 INFO L495 AbstractCegarLoop]: Abstraction has 1196 states and 1644 transitions. [2022-11-02 20:35:33,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:35:33,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1644 transitions. [2022-11-02 20:35:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-02 20:35:33,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:33,315 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:33,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:33,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:33,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:33,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:33,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1703027901, now seen corresponding path program 1 times [2022-11-02 20:35:33,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:33,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163081533] [2022-11-02 20:35:33,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:33,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:33,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:33,535 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:33,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:35:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:34,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:35:34,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-02 20:35:34,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:34,328 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:34,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163081533] [2022-11-02 20:35:34,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163081533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:34,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:34,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:35:34,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79571418] [2022-11-02 20:35:34,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:34,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:35:34,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:34,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:35:34,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:35:34,330 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), 5 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:35:34,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:34,797 INFO L93 Difference]: Finished difference Result 3184 states and 4558 transitions. [2022-11-02 20:35:34,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:35:34,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2022-11-02 20:35:34,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:34,830 INFO L225 Difference]: With dead ends: 3184 [2022-11-02 20:35:34,830 INFO L226 Difference]: Without dead ends: 2018 [2022-11-02 20:35:34,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:35:34,835 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 448 mSDsluCounter, 4194 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 5406 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:34,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 5406 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:35:34,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2022-11-02 20:35:34,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1208. [2022-11-02 20:35:34,915 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) [2022-11-02 20:35:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1658 transitions. [2022-11-02 20:35:34,922 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1658 transitions. Word has length 89 [2022-11-02 20:35:34,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:34,923 INFO L495 AbstractCegarLoop]: Abstraction has 1208 states and 1658 transitions. [2022-11-02 20:35:34,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:35:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1658 transitions. [2022-11-02 20:35:34,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-02 20:35:34,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:34,928 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:34,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:35,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:35,145 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:35,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:35,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1234457031, now seen corresponding path program 1 times [2022-11-02 20:35:35,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:35,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963184348] [2022-11-02 20:35:35,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:35,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:35,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:35,149 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:35,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:35:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:35,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:35:35,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:35:35,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:35,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:35,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963184348] [2022-11-02 20:35:35,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [963184348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:35,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:35,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:35:35,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798804078] [2022-11-02 20:35:35,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:35,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:35,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:35,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:35,870 INFO L87 Difference]: Start difference. First operand 1208 states and 1658 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-02 20:35:36,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:36,277 INFO L93 Difference]: Finished difference Result 3158 states and 4354 transitions. [2022-11-02 20:35:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:36,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2022-11-02 20:35:36,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:36,308 INFO L225 Difference]: With dead ends: 3158 [2022-11-02 20:35:36,308 INFO L226 Difference]: Without dead ends: 1980 [2022-11-02 20:35:36,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:36,312 INFO L413 NwaCegarLoop]: 948 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, 1553 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:35:36,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1553 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:35:36,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2022-11-02 20:35:36,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1975. [2022-11-02 20:35:36,460 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) [2022-11-02 20:35:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2676 transitions. [2022-11-02 20:35:36,486 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2676 transitions. Word has length 100 [2022-11-02 20:35:36,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:36,487 INFO L495 AbstractCegarLoop]: Abstraction has 1975 states and 2676 transitions. [2022-11-02 20:35:36,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-02 20:35:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2676 transitions. [2022-11-02 20:35:36,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-02 20:35:36,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:36,505 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:36,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:36,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:36,719 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:36,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:36,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1464572768, now seen corresponding path program 1 times [2022-11-02 20:35:36,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:36,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940906038] [2022-11-02 20:35:36,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:36,720 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:36,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:36,721 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:36,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 20:35:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:35:37,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:35:37,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:35:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-02 20:35:37,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:35:37,304 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:35:37,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940906038] [2022-11-02 20:35:37,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940906038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:35:37,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:35:37,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:35:37,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581278895] [2022-11-02 20:35:37,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:35:37,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:35:37,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:35:37,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:35:37,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:37,307 INFO L87 Difference]: Start difference. First operand 1975 states and 2676 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-11-02 20:35:37,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:35:37,425 INFO L93 Difference]: Finished difference Result 3928 states and 5334 transitions. [2022-11-02 20:35:37,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:35:37,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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 99 [2022-11-02 20:35:37,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:35:37,436 INFO L225 Difference]: With dead ends: 3928 [2022-11-02 20:35:37,436 INFO L226 Difference]: Without dead ends: 1983 [2022-11-02 20:35:37,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:35:37,443 INFO L413 NwaCegarLoop]: 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 [2022-11-02 20:35:37,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1407 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:35:37,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2022-11-02 20:35:37,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1979. [2022-11-02 20:35:37,593 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) [2022-11-02 20:35:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2676 transitions. [2022-11-02 20:35:37,608 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2676 transitions. Word has length 99 [2022-11-02 20:35:37,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:35:37,609 INFO L495 AbstractCegarLoop]: Abstraction has 1979 states and 2676 transitions. [2022-11-02 20:35:37,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-11-02 20:35:37,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2676 transitions. [2022-11-02 20:35:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-02 20:35:37,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:35:37,617 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:35:37,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:37,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:37,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:35:37,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:35:37,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1809326174, now seen corresponding path program 1 times [2022-11-02 20:35:37,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:35:37,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494941428] [2022-11-02 20:35:37,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:35:37,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:35:37,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:35:37,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:35:37,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 20:35:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:38,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:35:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:35:39,342 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-02 20:35:39,342 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:35:39,343 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:35:39,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:39,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:35:39,570 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-02 20:35:39,579 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:35:39,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:35:39 BoogieIcfgContainer [2022-11-02 20:35:39,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:35:39,784 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:35:39,784 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:35:39,784 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:35:39,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:35:30" (3/4) ... [2022-11-02 20:35:39,788 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:35:39,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:35:39,789 INFO L158 Benchmark]: Toolchain (without parser) took 19703.21ms. Allocated memory was 62.9MB in the beginning and 350.2MB in the end (delta: 287.3MB). Free memory was 34.1MB in the beginning and 176.6MB in the end (delta: -142.5MB). Peak memory consumption was 144.3MB. Max. memory is 16.1GB. [2022-11-02 20:35:39,789 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:39,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2297.78ms. Allocated memory was 62.9MB in the beginning and 113.2MB in the end (delta: 50.3MB). Free memory was 33.9MB in the beginning and 51.2MB in the end (delta: -17.3MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-11-02 20:35:39,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.14ms. Allocated memory is still 113.2MB. Free memory was 51.2MB in the beginning and 41.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:35:39,790 INFO L158 Benchmark]: Boogie Preprocessor took 196.07ms. Allocated memory is still 113.2MB. Free memory was 41.3MB in the beginning and 50.3MB in the end (delta: -8.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-02 20:35:39,791 INFO L158 Benchmark]: RCFGBuilder took 7678.36ms. Allocated memory was 113.2MB in the beginning and 192.9MB in the end (delta: 79.7MB). Free memory was 50.3MB in the beginning and 114.4MB in the end (delta: -64.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2022-11-02 20:35:39,791 INFO L158 Benchmark]: TraceAbstraction took 9332.07ms. Allocated memory was 192.9MB in the beginning and 350.2MB in the end (delta: 157.3MB). Free memory was 113.3MB in the beginning and 177.7MB in the end (delta: -64.4MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. [2022-11-02 20:35:39,792 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 350.2MB. Free memory was 177.7MB in the beginning and 176.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:39,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 50.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2297.78ms. Allocated memory was 62.9MB in the beginning and 113.2MB in the end (delta: 50.3MB). Free memory was 33.9MB in the beginning and 51.2MB in the end (delta: -17.3MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.14ms. Allocated memory is still 113.2MB. Free memory was 51.2MB in the beginning and 41.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 196.07ms. Allocated memory is still 113.2MB. Free memory was 41.3MB in the beginning and 50.3MB in the end (delta: -8.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7678.36ms. Allocated memory was 113.2MB in the beginning and 192.9MB in the end (delta: 79.7MB). Free memory was 50.3MB in the beginning and 114.4MB in the end (delta: -64.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9332.07ms. Allocated memory was 192.9MB in the beginning and 350.2MB in the end (delta: 157.3MB). Free memory was 113.3MB in the beginning and 177.7MB in the end (delta: -64.4MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 350.2MB. Free memory was 177.7MB in the beginning and 176.6MB in the end (delta: 1.0MB). 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: 9.1s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1983 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1941 mSDsluCounter, 11387 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6847 mSDsCounter, 129 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 129 mSolverCounterUnsat, 4540 mSDtfsCounter, 198 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 412 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1979occurred in iteration=5, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 827 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 513 NumberOfCodeBlocks, 513 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 409 ConstructedInterpolants, 0 QuantifiedInterpolants, 523 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3392 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 213/213 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-02 20:35:39,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3377395f-146c-43fd-a09e-6d8edc736429/bin/uautomizer-Dbtcem3rbc/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