./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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/config/TaipanReach.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_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI --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 Taipan --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 [2022-11-03 02:48:53,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:48:53,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:48:53,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:48:53,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:48:53,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:48:53,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:48:53,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:48:53,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:48:53,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:48:53,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:48:53,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:48:53,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:48:53,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:48:53,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:48:53,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:48:53,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:48:53,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:48:53,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:48:53,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:48:53,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:48:53,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:48:53,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:48:53,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:48:53,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:48:53,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:48:53,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:48:53,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:48:53,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:48:53,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:48:53,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:48:53,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:48:53,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:48:53,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:48:53,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:48:53,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:48:53,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:48:53,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:48:53,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:48:53,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:48:53,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:48:53,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:48:53,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:48:53,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:48:53,503 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:48:53,503 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:48:53,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:48:53,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:48:53,505 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:48:53,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:48:53,505 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:48:53,505 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:48:53,506 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:48:53,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:48:53,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:48:53,507 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:48:53,507 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:48:53,507 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:48:53,508 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:48:53,508 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:48:53,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:48:53,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:48:53,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:48:53,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:48:53,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:48:53,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:48:53,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:48:53,511 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:48:53,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:48:53,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:48:53,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:48:53,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:48:53,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:48:53,513 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:48:53,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:48:53,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:48:53,514 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:48:53,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:48:53,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:48:53,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:48:53,514 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_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2022-11-03 02:48:53,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:48:53,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:48:53,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:48:53,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:48:53,836 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:48:53,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/../../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 [2022-11-03 02:48:53,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data/088197f69/d1b5bf2303c443208485c8042a44186f/FLAGd954f4c2b [2022-11-03 02:48:54,694 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:48:54,694 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/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 [2022-11-03 02:48:54,725 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data/088197f69/d1b5bf2303c443208485c8042a44186f/FLAGd954f4c2b [2022-11-03 02:48:54,744 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data/088197f69/d1b5bf2303c443208485c8042a44186f [2022-11-03 02:48:54,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:48:54,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:48:54,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:48:54,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:48:54,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:48:54,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:48:54" (1/1) ... [2022-11-03 02:48:54,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f9c599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:54, skipping insertion in model container [2022-11-03 02:48:54,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:48:54" (1/1) ... [2022-11-03 02:48:54,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:48:54,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:48:55,372 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-03 02:48:55,373 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] [2022-11-03 02:48:55,628 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_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/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] [2022-11-03 02:48:56,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:48:56,399 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:48:56,523 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-03 02:48:56,523 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] [2022-11-03 02:48:56,538 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_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/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] [2022-11-03 02:48:56,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:48:56,829 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:48:56,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56 WrapperNode [2022-11-03 02:48:56,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:48:56,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:48:56,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:48:56,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:48:56,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:56,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,027 INFO L138 Inliner]: procedures = 170, calls = 1019, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1557 [2022-11-03 02:48:57,031 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:48:57,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:48:57,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:48:57,032 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:48:57,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,145 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:48:57,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:48:57,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:48:57,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:48:57,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (1/1) ... [2022-11-03 02:48:57,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:48:57,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:48:57,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:48:57,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:48:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2022-11-03 02:48:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2022-11-03 02:48:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:48:57,306 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:48:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-03 02:48:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-03 02:48:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:48:57,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:48:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:48:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 02:48:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 02:48:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:48:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:48:57,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:48:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:48:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2022-11-03 02:48:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2022-11-03 02:48:57,309 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2022-11-03 02:48:57,309 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2022-11-03 02:48:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:48:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:48:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:48:57,310 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:48:57,310 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2022-11-03 02:48:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2022-11-03 02:48:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:48:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:48:57,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:48:57,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:48:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:48:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-03 02:48:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:48:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:48:57,312 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2022-11-03 02:48:57,312 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2022-11-03 02:48:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2022-11-03 02:48:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2022-11-03 02:48:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:48:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:48:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:48:57,313 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2022-11-03 02:48:57,313 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2022-11-03 02:48:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:48:57,314 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2022-11-03 02:48:57,315 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2022-11-03 02:48:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:48:57,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:48:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:48:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:48:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 02:48:57,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 02:48:57,317 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-03 02:48:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-03 02:48:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:48:57,318 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:48:57,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:48:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:48:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:48:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2022-11-03 02:48:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2022-11-03 02:48:57,319 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:48:57,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:48:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-11-03 02:48:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-11-03 02:48:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:48:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-03 02:48:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-03 02:48:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2022-11-03 02:48:57,321 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2022-11-03 02:48:57,321 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2022-11-03 02:48:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2022-11-03 02:48:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:48:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:48:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:48:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:48:57,322 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2022-11-03 02:48:57,322 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2022-11-03 02:48:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2022-11-03 02:48:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2022-11-03 02:48:57,324 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:48:57,324 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:48:57,828 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:48:57,831 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:48:58,454 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:48:59,352 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:48:59,735 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:48:59,735 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:48:59,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:48:59 BoogieIcfgContainer [2022-11-03 02:48:59,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:48:59,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:48:59,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:48:59,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:48:59,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:48:54" (1/3) ... [2022-11-03 02:48:59,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dc02f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:48:59, skipping insertion in model container [2022-11-03 02:48:59,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:48:56" (2/3) ... [2022-11-03 02:48:59,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dc02f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:48:59, skipping insertion in model container [2022-11-03 02:48:59,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:48:59" (3/3) ... [2022-11-03 02:48:59,755 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 [2022-11-03 02:48:59,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:48:59,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:48:59,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:48:59,883 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=FINITE_AUTOMATA, 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;@78d7cdf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:48:59,884 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:48:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 405 states, 265 states have (on average 1.4226415094339622) internal successors, (377), 275 states have internal predecessors, (377), 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) [2022-11-03 02:48:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-03 02:48:59,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:59,914 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] [2022-11-03 02:48:59,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:48:59,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:59,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1626667804, now seen corresponding path program 1 times [2022-11-03 02:48:59,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:59,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169368154] [2022-11-03 02:48:59,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:59,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:00,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:49:00,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:00,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169368154] [2022-11-03 02:49:00,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169368154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:00,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:00,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:00,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250921612] [2022-11-03 02:49:00,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:00,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:00,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:00,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:00,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:00,591 INFO L87 Difference]: Start difference. First operand has 405 states, 265 states have (on average 1.4226415094339622) internal successors, (377), 275 states have internal predecessors, (377), 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 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:01,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:01,171 INFO L93 Difference]: Finished difference Result 1122 states and 1617 transitions. [2022-11-03 02:49:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:01,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 2 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 49 [2022-11-03 02:49:01,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:01,195 INFO L225 Difference]: With dead ends: 1122 [2022-11-03 02:49:01,199 INFO L226 Difference]: Without dead ends: 707 [2022-11-03 02:49:01,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:01,220 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 455 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:01,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1078 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:49:01,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2022-11-03 02:49:01,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 704. [2022-11-03 02:49:01,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 472 states have (on average 1.396186440677966) internal successors, (659), 475 states have internal predecessors, (659), 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) [2022-11-03 02:49:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1000 transitions. [2022-11-03 02:49:01,370 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1000 transitions. Word has length 49 [2022-11-03 02:49:01,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:01,371 INFO L495 AbstractCegarLoop]: Abstraction has 704 states and 1000 transitions. [2022-11-03 02:49:01,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:01,372 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1000 transitions. [2022-11-03 02:49:01,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-03 02:49:01,381 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:01,381 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] [2022-11-03 02:49:01,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:49:01,382 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:01,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:01,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2033018858, now seen corresponding path program 1 times [2022-11-03 02:49:01,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:01,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305596273] [2022-11-03 02:49:01,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:01,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:49:01,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:01,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305596273] [2022-11-03 02:49:01,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305596273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:01,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:01,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:01,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687031697] [2022-11-03 02:49:01,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:01,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:01,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:01,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:01,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:01,618 INFO L87 Difference]: Start difference. First operand 704 states and 1000 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:02,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:02,009 INFO L93 Difference]: Finished difference Result 1606 states and 2268 transitions. [2022-11-03 02:49:02,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:02,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 2 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 59 [2022-11-03 02:49:02,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:02,015 INFO L225 Difference]: With dead ends: 1606 [2022-11-03 02:49:02,015 INFO L226 Difference]: Without dead ends: 923 [2022-11-03 02:49:02,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:02,026 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 216 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:02,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 996 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2022-11-03 02:49:02,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 919. [2022-11-03 02:49:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 626 states have (on average 1.389776357827476) internal successors, (870), 631 states have internal predecessors, (870), 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) [2022-11-03 02:49:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1289 transitions. [2022-11-03 02:49:02,095 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1289 transitions. Word has length 59 [2022-11-03 02:49:02,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:02,096 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1289 transitions. [2022-11-03 02:49:02,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-03 02:49:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1289 transitions. [2022-11-03 02:49:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-03 02:49:02,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:02,104 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] [2022-11-03 02:49:02,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:49:02,105 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:02,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:02,115 INFO L85 PathProgramCache]: Analyzing trace with hash -536032080, now seen corresponding path program 1 times [2022-11-03 02:49:02,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:02,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857940267] [2022-11-03 02:49:02,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:02,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-03 02:49:02,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:02,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857940267] [2022-11-03 02:49:02,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857940267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:02,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:02,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:02,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602557390] [2022-11-03 02:49:02,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:02,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:02,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:02,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:02,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:02,412 INFO L87 Difference]: Start difference. First operand 919 states and 1289 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 02:49:02,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:02,641 INFO L93 Difference]: Finished difference Result 942 states and 1303 transitions. [2022-11-03 02:49:02,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:02,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 3 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 76 [2022-11-03 02:49:02,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:02,650 INFO L225 Difference]: With dead ends: 942 [2022-11-03 02:49:02,650 INFO L226 Difference]: Without dead ends: 939 [2022-11-03 02:49:02,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:02,652 INFO L413 NwaCegarLoop]: 496 mSDtfsCounter, 388 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:02,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 612 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:49:02,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2022-11-03 02:49:02,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 939. [2022-11-03 02:49:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 637 states have (on average 1.3814756671899528) internal successors, (880), 642 states have internal predecessors, (880), 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) [2022-11-03 02:49:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1299 transitions. [2022-11-03 02:49:02,711 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1299 transitions. Word has length 76 [2022-11-03 02:49:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:02,712 INFO L495 AbstractCegarLoop]: Abstraction has 939 states and 1299 transitions. [2022-11-03 02:49:02,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-03 02:49:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1299 transitions. [2022-11-03 02:49:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-03 02:49:02,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:02,717 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] [2022-11-03 02:49:02,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:49:02,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:02,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1709121354, now seen corresponding path program 1 times [2022-11-03 02:49:02,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:02,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452844508] [2022-11-03 02:49:02,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:02,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:02,923 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-03 02:49:02,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:02,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452844508] [2022-11-03 02:49:02,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452844508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:02,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:02,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:02,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530413791] [2022-11-03 02:49:02,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:02,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:02,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:02,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:02,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:02,927 INFO L87 Difference]: Start difference. First operand 939 states and 1299 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 02:49:03,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:03,349 INFO L93 Difference]: Finished difference Result 2454 states and 3404 transitions. [2022-11-03 02:49:03,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:03,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 86 [2022-11-03 02:49:03,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:03,358 INFO L225 Difference]: With dead ends: 2454 [2022-11-03 02:49:03,358 INFO L226 Difference]: Without dead ends: 1538 [2022-11-03 02:49:03,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:03,363 INFO L413 NwaCegarLoop]: 657 mSDtfsCounter, 461 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:03,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 1053 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:49:03,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2022-11-03 02:49:03,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1534. [2022-11-03 02:49:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1055 states have (on average 1.361137440758294) internal successors, (1436), 1064 states have internal predecessors, (1436), 323 states have call successors, (323), 156 states have call predecessors, (323), 155 states have return successors, (322), 320 states have call predecessors, (322), 322 states have call successors, (322) [2022-11-03 02:49:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2081 transitions. [2022-11-03 02:49:03,464 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2081 transitions. Word has length 86 [2022-11-03 02:49:03,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:03,466 INFO L495 AbstractCegarLoop]: Abstraction has 1534 states and 2081 transitions. [2022-11-03 02:49:03,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 02:49:03,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2081 transitions. [2022-11-03 02:49:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-03 02:49:03,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:03,479 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] [2022-11-03 02:49:03,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:49:03,480 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:03,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:03,481 INFO L85 PathProgramCache]: Analyzing trace with hash 522994288, now seen corresponding path program 1 times [2022-11-03 02:49:03,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:03,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146880011] [2022-11-03 02:49:03,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:03,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:49:03,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:49:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:49:03,928 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:49:03,928 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:49:03,929 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:49:03,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:49:03,934 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-03 02:49:03,938 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:49:04,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:49:04 BoogieIcfgContainer [2022-11-03 02:49:04,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:49:04,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:49:04,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:49:04,117 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:49:04,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:48:59" (3/4) ... [2022-11-03 02:49:04,121 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:49:04,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:49:04,122 INFO L158 Benchmark]: Toolchain (without parser) took 9373.53ms. Allocated memory was 111.1MB in the beginning and 268.4MB in the end (delta: 157.3MB). Free memory was 85.0MB in the beginning and 153.3MB in the end (delta: -68.3MB). Peak memory consumption was 88.3MB. Max. memory is 16.1GB. [2022-11-03 02:49:04,122 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:49:04,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2079.29ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 84.6MB in the beginning and 76.5MB in the end (delta: 8.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-11-03 02:49:04,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 200.41ms. Allocated memory is still 140.5MB. Free memory was 76.5MB in the beginning and 66.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:49:04,123 INFO L158 Benchmark]: Boogie Preprocessor took 133.11ms. Allocated memory is still 140.5MB. Free memory was 66.0MB in the beginning and 56.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:49:04,123 INFO L158 Benchmark]: RCFGBuilder took 2576.85ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 56.3MB in the beginning and 74.1MB in the end (delta: -17.8MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2022-11-03 02:49:04,124 INFO L158 Benchmark]: TraceAbstraction took 4371.37ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 73.1MB in the beginning and 153.3MB in the end (delta: -80.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2022-11-03 02:49:04,124 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 268.4MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:49:04,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2079.29ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 84.6MB in the beginning and 76.5MB in the end (delta: 8.1MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 200.41ms. Allocated memory is still 140.5MB. Free memory was 76.5MB in the beginning and 66.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.11ms. Allocated memory is still 140.5MB. Free memory was 66.0MB in the beginning and 56.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2576.85ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 56.3MB in the beginning and 74.1MB in the end (delta: -17.8MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4371.37ms. Allocated memory was 205.5MB in the beginning and 268.4MB in the end (delta: 62.9MB). Free memory was 73.1MB in the beginning and 153.3MB in the end (delta: -80.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 268.4MB. Free memory is still 153.3MB. 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; [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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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=6, ldvarg3=5, 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=5, tmp___1=6] [L6223] CALL, EXPR ldv_zalloc(72UL) VAL [__this_module={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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=6, ldvarg3=5, 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=5, tmp___1=6] [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={18446744073709551619:18446744073709551620}, 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=6, ldvarg1=7, ldvarg3=5, 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=5, tmp___1=6, tmp___2={0:0}, tmp___3=7] [L6227] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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=6, ldvarg1=7, ldvarg3=5, 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=5, tmp___1=6, tmp___2={0:0}, tmp___3=7] [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={18446744073709551619:18446744073709551620}, 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=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=4294967290, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=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=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: VAL [__this_module={18446744073709551619:18446744073709551620}, 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=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=4294967290, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=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=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, 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={18446744073709551619:18446744073709551620}, 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=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=4294967290, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=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=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, 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); [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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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=-7] [L6161] RET, EXPR ldv_zalloc(1496UL) VAL [__this_module={18446744073709551619:18446744073709551620}, 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 [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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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=-8] [L6125] RET, EXPR ldv_zalloc(192UL) VAL [__this_module={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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=-9] [L6127] RET, EXPR ldv_zalloc(968UL) VAL [__this_module={18446744073709551619:18446744073709551620}, 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 [L6270] RET ldv_initialize_hc_driver_3() [L6273] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={18446744073709551619:18446744073709551620}, 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=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=4294967290, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=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=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, tmp___7=1, tmp___8=1] [L6242] tmp___7 = __VERIFIER_nondet_int() [L6244] case 0: [L6250] case 1: [L6288] case 2: VAL [__this_module={18446744073709551619:18446744073709551620}, 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=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=4294967290, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=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=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, 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={18446744073709551619:18446744073709551620}, 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=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=4294967290, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=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=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, tmp___7=2, tmp___8=1, tmp___9=10] [L6408] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={18446744073709551619:18446744073709551620}, 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=6, ldvarg1=7, ldvarg2=8, ldvarg3=5, ldvarg4={0:0}, ldvarg5=4294967290, ldvarg6=0, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=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=5, tmp___1=6, tmp___2={0:0}, tmp___3=7, tmp___4={0:0}, tmp___5=0, tmp___6=8, 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={18446744073709551619:18446744073709551620}, 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)=4294967290, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hcd={0:0}, hcd->self.controller={18446744073709551617:0}, 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=4294967290, 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={18446744073709551619:18446744073709551620}, dev={18446744073709551617:0}, 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] [L4062] struct device const *__mptr ; [L4063] struct spi_device *tmp ; [L4065] COND TRUE (unsigned long )dev != (unsigned long )((struct device *)0) [L4066] __mptr = (struct device const *)dev [L4067] tmp = (struct spi_device *)__mptr [L4071] return (tmp); [L5544] RET, EXPR to_spi_device(hcd->self.controller) VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967290, __this_module={18446744073709551619:18446744073709551620}, hcd={0:0}, hcd={0:0}, hcd->self.controller={18446744073709551617:0}, 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=4294967290, ref_cnt=0, to_spi_device(hcd->self.controller)={18446744073709551617:0}, 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)=4294967290, __this_module={18446744073709551619:18446744073709551620}, 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=4294967290, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, urb={0:0}, urb={0:0}] [L5546] CALL, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, 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)); [L5546] RET, EXPR hcd_to_max3421(hcd) VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967290, __this_module={18446744073709551619:18446744073709551620}, 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=4294967290, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, urb={0:0}, urb={0:0}] [L5546] tmp___0 = hcd_to_max3421(hcd) [L5547] max3421_hcd = tmp___0 [L5548] urb->pipe [L5549] case 1U: [L5550] case 0U: VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967290, __this_module={18446744073709551619:18446744073709551620}, 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=4294967290, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=96636764160] [L5557] default: VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967290, __this_module={18446744073709551619:18446744073709551620}, 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=4294967290, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=96636764160] [L5561] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, 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 [L5561] RET ldv_spin_lock() VAL [\old(ldv_spin)=0, \old(mem_flags)=4294967290, __this_module={18446744073709551619:18446744073709551620}, 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=4294967290, ref_cnt=0, spi={18446744073709551617:0}, tmp={18446744073709551617:0}, tmp___0={0:899}, urb={0:0}, urb={0:0}, urb->pipe=96636764160] [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)=4294967290, \old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, 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)=4294967290, \old(ldv_spin)=0, __this_module={18446744073709551619:18446744073709551620}, flags=4294967290, 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={18446744073709551619:18446744073709551620}, 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={18446744073709551619:18446744073709551620}, 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, 406 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1520 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1520 mSDsluCounter, 3739 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1635 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 668 IncrementalHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 2312 mSDtfsCounter, 668 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1534occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 355 NumberOfCodeBlocks, 355 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 414 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 [2022-11-03 02:49:04,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/config/TaipanReach.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_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI --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 Taipan --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 [2022-11-03 02:49:06,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:49:06,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:49:06,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:49:06,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:49:06,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:49:06,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:49:06,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:49:06,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:49:06,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:49:06,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:49:06,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:49:06,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:49:06,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:49:06,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:49:06,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:49:06,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:49:06,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:49:06,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:49:06,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:49:06,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:49:06,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:49:06,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:49:06,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:49:06,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:49:06,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:49:06,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:49:06,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:49:06,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:49:06,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:49:06,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:49:06,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:49:06,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:49:06,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:49:06,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:49:06,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:49:06,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:49:06,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:49:06,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:49:06,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:49:06,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:49:06,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 02:49:06,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:49:06,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:49:06,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:49:06,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:49:06,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:49:06,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:49:06,766 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:49:06,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:49:06,766 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:49:06,766 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:49:06,768 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:49:06,768 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:49:06,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:49:06,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:49:06,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:49:06,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:49:06,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:49:06,771 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:49:06,771 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:49:06,771 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:49:06,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:49:06,771 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:49:06,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:49:06,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:49:06,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:49:06,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:49:06,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:49:06,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:49:06,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:49:06,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:49:06,774 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:49:06,774 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:49:06,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:49:06,775 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:49:06,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:49:06,775 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_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cb918a49bd861dcff82a05c4e06551bd9d0c0cbb9eb8fadf6410a0f7818165 [2022-11-03 02:49:07,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:49:07,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:49:07,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:49:07,153 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:49:07,154 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:49:07,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/../../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 [2022-11-03 02:49:07,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data/07745b8b8/781f478d05684a7f8df3471234c2db7a/FLAGf19496f08 [2022-11-03 02:49:08,090 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:49:08,091 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/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 [2022-11-03 02:49:08,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data/07745b8b8/781f478d05684a7f8df3471234c2db7a/FLAGf19496f08 [2022-11-03 02:49:08,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/data/07745b8b8/781f478d05684a7f8df3471234c2db7a [2022-11-03 02:49:08,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:49:08,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:49:08,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:49:08,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:49:08,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:49:08,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:49:08" (1/1) ... [2022-11-03 02:49:08,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23013d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:08, skipping insertion in model container [2022-11-03 02:49:08,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:49:08" (1/1) ... [2022-11-03 02:49:08,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:49:08,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:49:09,233 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-03 02:49:09,240 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] [2022-11-03 02:49:09,454 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_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/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] [2022-11-03 02:49:10,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:49:10,170 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 02:49:10,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:49:10,323 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-03 02:49:10,323 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] [2022-11-03 02:49:10,342 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_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/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] [2022-11-03 02:49:10,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:49:10,563 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:49:10,659 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3714] [2022-11-03 02:49:10,660 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] [2022-11-03 02:49:10,667 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_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/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] [2022-11-03 02:49:10,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:49:10,928 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:49:10,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10 WrapperNode [2022-11-03 02:49:10,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:49:10,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:49:10,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:49:10,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:49:10,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,081 INFO L138 Inliner]: procedures = 178, calls = 1019, calls flagged for inlining = 80, calls inlined = 51, statements flattened = 1492 [2022-11-03 02:49:11,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:49:11,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:49:11,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:49:11,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:49:11,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:49:11,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:49:11,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:49:11,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:49:11,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (1/1) ... [2022-11-03 02:49:11,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:49:11,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:49:11,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:49:11,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:49:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-03 02:49:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_map_urb_for_dma [2022-11-03 02:49:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_map_urb_for_dma [2022-11-03 02:49:11,355 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:49:11,355 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:49:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-03 02:49:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 02:49:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-03 02:49:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-03 02:49:11,356 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-03 02:49:11,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:49:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:49:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 02:49:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 02:49:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:49:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:49:11,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:49:11,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:49:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_control [2022-11-03 02:49:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_control [2022-11-03 02:49:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_dequeue [2022-11-03 02:49:11,358 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_dequeue [2022-11-03 02:49:11,358 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:49:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:49:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:49:11,359 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:49:11,359 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_endpoint_disable [2022-11-03 02:49:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_endpoint_disable [2022-11-03 02:49:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:49:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:49:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:49:11,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:49:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-03 02:49:11,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:49:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:49:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_reset [2022-11-03 02:49:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_reset [2022-11-03 02:49:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_urb_enqueue [2022-11-03 02:49:11,384 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_urb_enqueue [2022-11-03 02:49:11,384 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:49:11,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:49:11,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:49:11,386 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_resume [2022-11-03 02:49:11,387 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_resume [2022-11-03 02:49:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:49:11,388 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_gpout_set_value [2022-11-03 02:49:11,388 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_gpout_set_value [2022-11-03 02:49:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:49:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:49:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:49:11,389 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:49:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 02:49:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 02:49:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-03 02:49:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-03 02:49:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:49:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:49:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:49:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-03 02:49:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-03 02:49:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:49:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 02:49:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:49:11,392 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_unmap_urb_for_dma [2022-11-03 02:49:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_unmap_urb_for_dma [2022-11-03 02:49:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:49:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-03 02:49:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-03 02:49:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:49:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:49:11,393 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2022-11-03 02:49:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2022-11-03 02:49:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-03 02:49:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-03 02:49:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_bus_suspend [2022-11-03 02:49:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_bus_suspend [2022-11-03 02:49:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_get_frame_number [2022-11-03 02:49:11,395 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_get_frame_number [2022-11-03 02:49:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:49:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:49:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:49:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:49:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure max3421_hub_status_data [2022-11-03 02:49:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure max3421_hub_status_data [2022-11-03 02:49:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_max3421 [2022-11-03 02:49:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_max3421 [2022-11-03 02:49:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:49:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:49:11,928 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:49:11,931 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:49:12,213 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:49:19,617 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:49:19,644 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:49:19,644 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:49:19,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:49:19 BoogieIcfgContainer [2022-11-03 02:49:19,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:49:19,653 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:49:19,653 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:49:19,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:49:19,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:49:08" (1/3) ... [2022-11-03 02:49:19,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cf799f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:49:19, skipping insertion in model container [2022-11-03 02:49:19,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:49:10" (2/3) ... [2022-11-03 02:49:19,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cf799f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:49:19, skipping insertion in model container [2022-11-03 02:49:19,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:49:19" (3/3) ... [2022-11-03 02:49:19,663 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 [2022-11-03 02:49:19,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:49:19,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:49:19,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:49:19,789 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=FINITE_AUTOMATA, 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;@7fd38662, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:49:19,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:49:19,798 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) [2022-11-03 02:49:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 02:49:19,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:19,837 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] [2022-11-03 02:49:19,838 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:19,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:19,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1460430108, now seen corresponding path program 1 times [2022-11-03 02:49:19,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:19,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466815969] [2022-11-03 02:49:19,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:19,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:19,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:19,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:19,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:49:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:20,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:49:20,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:49:20,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:20,620 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:20,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466815969] [2022-11-03 02:49:20,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466815969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:20,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:20,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:20,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591509178] [2022-11-03 02:49:20,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:20,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:20,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:20,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:20,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:20,675 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) [2022-11-03 02:49:21,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:21,006 INFO L93 Difference]: Finished difference Result 1473 states and 2085 transitions. [2022-11-03 02:49:21,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:21,009 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 [2022-11-03 02:49:21,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:21,035 INFO L225 Difference]: With dead ends: 1473 [2022-11-03 02:49:21,035 INFO L226 Difference]: Without dead ends: 910 [2022-11-03 02:49:21,045 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 [2022-11-03 02:49:21,050 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 [2022-11-03 02:49:21,051 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] [2022-11-03 02:49:21,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2022-11-03 02:49:21,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 907. [2022-11-03 02:49:21,203 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) [2022-11-03 02:49:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1262 transitions. [2022-11-03 02:49:21,213 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1262 transitions. Word has length 58 [2022-11-03 02:49:21,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:21,213 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1262 transitions. [2022-11-03 02:49:21,214 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) [2022-11-03 02:49:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1262 transitions. [2022-11-03 02:49:21,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-03 02:49:21,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:21,223 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] [2022-11-03 02:49:21,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:21,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:21,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:21,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:21,439 INFO L85 PathProgramCache]: Analyzing trace with hash 773574401, now seen corresponding path program 1 times [2022-11-03 02:49:21,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:21,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476010300] [2022-11-03 02:49:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:21,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:21,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:21,443 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:21,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:49:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:22,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:49:22,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-03 02:49:22,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:22,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:22,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476010300] [2022-11-03 02:49:22,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476010300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:22,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:22,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:22,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918893682] [2022-11-03 02:49:22,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:22,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:22,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:22,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:22,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:22,057 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) [2022-11-03 02:49:22,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:22,358 INFO L93 Difference]: Finished difference Result 2081 states and 2880 transitions. [2022-11-03 02:49:22,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:22,359 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 [2022-11-03 02:49:22,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:22,366 INFO L225 Difference]: With dead ends: 2081 [2022-11-03 02:49:22,366 INFO L226 Difference]: Without dead ends: 1201 [2022-11-03 02:49:22,369 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 [2022-11-03 02:49:22,370 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 [2022-11-03 02:49:22,371 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] [2022-11-03 02:49:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2022-11-03 02:49:22,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1196. [2022-11-03 02:49:22,425 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) [2022-11-03 02:49:22,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1644 transitions. [2022-11-03 02:49:22,433 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1644 transitions. Word has length 68 [2022-11-03 02:49:22,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:22,433 INFO L495 AbstractCegarLoop]: Abstraction has 1196 states and 1644 transitions. [2022-11-03 02:49:22,433 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) [2022-11-03 02:49:22,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1644 transitions. [2022-11-03 02:49:22,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:49:22,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:22,439 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] [2022-11-03 02:49:22,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:22,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:22,654 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:22,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:22,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1703027901, now seen corresponding path program 1 times [2022-11-03 02:49:22,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:22,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1257363151] [2022-11-03 02:49:22,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:22,657 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:22,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:22,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:22,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 02:49:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:23,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:49:23,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-03 02:49:23,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:23,492 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:23,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1257363151] [2022-11-03 02:49:23,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1257363151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:23,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:23,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:49:23,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176578615] [2022-11-03 02:49:23,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:23,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:49:23,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:23,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:49:23,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:49:23,495 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) [2022-11-03 02:49:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:23,967 INFO L93 Difference]: Finished difference Result 3184 states and 4558 transitions. [2022-11-03 02:49:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:49:23,970 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 [2022-11-03 02:49:23,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:23,982 INFO L225 Difference]: With dead ends: 3184 [2022-11-03 02:49:23,983 INFO L226 Difference]: Without dead ends: 2018 [2022-11-03 02:49:23,987 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 [2022-11-03 02:49:23,988 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 [2022-11-03 02:49:23,989 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] [2022-11-03 02:49:23,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2022-11-03 02:49:24,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 1208. [2022-11-03 02:49:24,077 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) [2022-11-03 02:49:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1658 transitions. [2022-11-03 02:49:24,084 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1658 transitions. Word has length 89 [2022-11-03 02:49:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:24,084 INFO L495 AbstractCegarLoop]: Abstraction has 1208 states and 1658 transitions. [2022-11-03 02:49:24,085 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) [2022-11-03 02:49:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1658 transitions. [2022-11-03 02:49:24,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 02:49:24,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:24,090 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] [2022-11-03 02:49:24,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:24,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:24,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:24,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:24,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1234457031, now seen corresponding path program 1 times [2022-11-03 02:49:24,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:24,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1528341303] [2022-11-03 02:49:24,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:24,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:24,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:24,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:24,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 02:49:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:24,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:49:24,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-03 02:49:25,003 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:25,003 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:25,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1528341303] [2022-11-03 02:49:25,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1528341303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:25,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:25,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:25,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043704979] [2022-11-03 02:49:25,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:25,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:25,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:25,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:25,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:25,005 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) [2022-11-03 02:49:25,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:25,400 INFO L93 Difference]: Finished difference Result 3158 states and 4354 transitions. [2022-11-03 02:49:25,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:25,401 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 [2022-11-03 02:49:25,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:25,411 INFO L225 Difference]: With dead ends: 3158 [2022-11-03 02:49:25,411 INFO L226 Difference]: Without dead ends: 1980 [2022-11-03 02:49:25,415 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 [2022-11-03 02:49:25,416 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 [2022-11-03 02:49:25,418 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] [2022-11-03 02:49:25,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1980 states. [2022-11-03 02:49:25,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1980 to 1975. [2022-11-03 02:49:25,528 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) [2022-11-03 02:49:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 2676 transitions. [2022-11-03 02:49:25,538 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 2676 transitions. Word has length 100 [2022-11-03 02:49:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:25,540 INFO L495 AbstractCegarLoop]: Abstraction has 1975 states and 2676 transitions. [2022-11-03 02:49:25,540 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) [2022-11-03 02:49:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2676 transitions. [2022-11-03 02:49:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:49:25,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:25,551 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] [2022-11-03 02:49:25,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:25,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:25,765 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:25,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:25,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1464572768, now seen corresponding path program 1 times [2022-11-03 02:49:25,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:25,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282479104] [2022-11-03 02:49:25,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:25,767 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:25,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:25,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:25,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 02:49:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:26,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:49:26,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:49:26,408 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-03 02:49:26,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:49:26,410 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:49:26,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282479104] [2022-11-03 02:49:26,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282479104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:26,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:26,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:49:26,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856396664] [2022-11-03 02:49:26,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:26,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:49:26,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:49:26,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:49:26,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:49:26,418 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) [2022-11-03 02:49:26,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:26,555 INFO L93 Difference]: Finished difference Result 3928 states and 5334 transitions. [2022-11-03 02:49:26,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:49:26,556 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 [2022-11-03 02:49:26,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:26,568 INFO L225 Difference]: With dead ends: 3928 [2022-11-03 02:49:26,569 INFO L226 Difference]: Without dead ends: 1983 [2022-11-03 02:49:26,574 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 [2022-11-03 02:49:26,576 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 [2022-11-03 02:49:26,576 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] [2022-11-03 02:49:26,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2022-11-03 02:49:26,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1979. [2022-11-03 02:49:26,686 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) [2022-11-03 02:49:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2676 transitions. [2022-11-03 02:49:26,706 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2676 transitions. Word has length 99 [2022-11-03 02:49:26,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:26,707 INFO L495 AbstractCegarLoop]: Abstraction has 1979 states and 2676 transitions. [2022-11-03 02:49:26,707 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) [2022-11-03 02:49:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2676 transitions. [2022-11-03 02:49:26,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:49:26,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:26,712 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] [2022-11-03 02:49:26,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:26,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:26,934 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:49:26,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:26,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1809326174, now seen corresponding path program 1 times [2022-11-03 02:49:26,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:49:26,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1145780305] [2022-11-03 02:49:26,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:26,936 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:49:26,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:49:26,940 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:49:26,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 02:49:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:49:27,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:49:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:49:28,400 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-03 02:49:28,402 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:49:28,403 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:49:28,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:49:28,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:49:28,626 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-03 02:49:28,629 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:49:28,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:49:28 BoogieIcfgContainer [2022-11-03 02:49:28,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:49:28,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:49:28,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:49:28,778 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:49:28,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:49:19" (3/4) ... [2022-11-03 02:49:28,781 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:49:28,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:49:28,782 INFO L158 Benchmark]: Toolchain (without parser) took 20186.46ms. Allocated memory was 71.3MB in the beginning and 257.9MB in the end (delta: 186.6MB). Free memory was 46.5MB in the beginning and 141.3MB in the end (delta: -94.8MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. [2022-11-03 02:49:28,782 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:49:28,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2329.28ms. Allocated memory was 71.3MB in the beginning and 123.7MB in the end (delta: 52.4MB). Free memory was 46.3MB in the beginning and 70.5MB in the end (delta: -24.2MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2022-11-03 02:49:28,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.69ms. Allocated memory is still 123.7MB. Free memory was 70.0MB in the beginning and 60.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:49:28,783 INFO L158 Benchmark]: Boogie Preprocessor took 182.49ms. Allocated memory is still 123.7MB. Free memory was 60.5MB in the beginning and 49.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:49:28,784 INFO L158 Benchmark]: RCFGBuilder took 8384.87ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 49.5MB in the beginning and 146.3MB in the end (delta: -96.8MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2022-11-03 02:49:28,784 INFO L158 Benchmark]: TraceAbstraction took 9124.26ms. Allocated memory was 197.1MB in the beginning and 257.9MB in the end (delta: 60.8MB). Free memory was 146.3MB in the beginning and 141.3MB in the end (delta: 5.0MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2022-11-03 02:49:28,784 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 257.9MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:49:28,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2329.28ms. Allocated memory was 71.3MB in the beginning and 123.7MB in the end (delta: 52.4MB). Free memory was 46.3MB in the beginning and 70.5MB in the end (delta: -24.2MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.69ms. Allocated memory is still 123.7MB. Free memory was 70.0MB in the beginning and 60.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.49ms. Allocated memory is still 123.7MB. Free memory was 60.5MB in the beginning and 49.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 8384.87ms. Allocated memory was 123.7MB in the beginning and 197.1MB in the end (delta: 73.4MB). Free memory was 49.5MB in the beginning and 146.3MB in the end (delta: -96.8MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9124.26ms. Allocated memory was 197.1MB in the beginning and 257.9MB in the end (delta: 60.8MB). Free memory was 146.3MB in the beginning and 141.3MB in the end (delta: 5.0MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 257.9MB. Free memory is still 141.3MB. 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: 8.9s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.8s, 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: 0.5s AutomataMinimizationTime, 5 MinimizatonAttempts, 827 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.0s 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 [2022-11-03 02:49:28,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6833cb-cfb1-4ca9-ba7e-8b5e6c759cbf/bin/utaipan-7li7fVZpFI/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