/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 01:16:34,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 01:16:34,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 01:16:34,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 01:16:34,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 01:16:34,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 01:16:34,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 01:16:34,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 01:16:34,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 01:16:34,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 01:16:34,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 01:16:34,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 01:16:34,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 01:16:34,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 01:16:34,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 01:16:34,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 01:16:34,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 01:16:34,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 01:16:34,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 01:16:34,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 01:16:34,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 01:16:34,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 01:16:34,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 01:16:34,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 01:16:34,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 01:16:34,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 01:16:34,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 01:16:34,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 01:16:34,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 01:16:34,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 01:16:34,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 01:16:34,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 01:16:34,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 01:16:34,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 01:16:34,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 01:16:34,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 01:16:34,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 01:16:34,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 01:16:34,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 01:16:34,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 01:16:34,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 01:16:34,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 01:16:34,733 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 01:16:34,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 01:16:34,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 01:16:34,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 01:16:34,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 01:16:34,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 01:16:34,735 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 01:16:34,735 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 01:16:34,735 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 01:16:34,735 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 01:16:34,736 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 01:16:34,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 01:16:34,736 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 01:16:34,736 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 01:16:34,736 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 01:16:34,737 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 01:16:34,737 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 01:16:34,737 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 01:16:34,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 01:16:34,738 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 01:16:34,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 01:16:34,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 01:16:34,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 01:16:34,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 01:16:34,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 01:16:34,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 01:16:34,739 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 01:16:34,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 01:16:34,739 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 01:16:34,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 01:16:34,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 01:16:34,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 01:16:34,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:16:34,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 01:16:34,740 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 01:16:34,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 01:16:34,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 01:16:34,740 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 01:16:34,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 01:16:34,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 01:16:34,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 01:16:34,741 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 01:16:34,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 01:16:35,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 01:16:35,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 01:16:35,010 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 01:16:35,011 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 01:16:35,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i [2023-04-01 01:16:36,157 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 01:16:36,481 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 01:16:36,481 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i [2023-04-01 01:16:36,511 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22f94727a/cb2cb0a8aa5f4b5b87e209910b8230c0/FLAG181d84768 [2023-04-01 01:16:36,527 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22f94727a/cb2cb0a8aa5f4b5b87e209910b8230c0 [2023-04-01 01:16:36,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 01:16:36,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 01:16:36,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 01:16:36,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 01:16:36,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 01:16:36,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:16:36" (1/1) ... [2023-04-01 01:16:36,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f728c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:36, skipping insertion in model container [2023-04-01 01:16:36,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:16:36" (1/1) ... [2023-04-01 01:16:36,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 01:16:36,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 01:16:37,003 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i[94831,94844] [2023-04-01 01:16:37,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:16:37,222 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 01:16:37,321 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i[94831,94844] [2023-04-01 01:16:37,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:16:37,386 INFO L208 MainTranslator]: Completed translation [2023-04-01 01:16:37,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37 WrapperNode [2023-04-01 01:16:37,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 01:16:37,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 01:16:37,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 01:16:37,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 01:16:37,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (1/1) ... [2023-04-01 01:16:37,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (1/1) ... [2023-04-01 01:16:37,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (1/1) ... [2023-04-01 01:16:37,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (1/1) ... [2023-04-01 01:16:37,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (1/1) ... [2023-04-01 01:16:37,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (1/1) ... [2023-04-01 01:16:37,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (1/1) ... [2023-04-01 01:16:37,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (1/1) ... [2023-04-01 01:16:37,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 01:16:37,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 01:16:37,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 01:16:37,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 01:16:37,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (1/1) ... [2023-04-01 01:16:37,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:16:37,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:16:37,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 01:16:37,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 01:16:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 01:16:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 01:16:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 01:16:37,631 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 01:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 01:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 01:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 01:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 01:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 01:16:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_probe [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_disconnect [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_driver_init [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure go7007_loader_driver_exit [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 01:16:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_2 [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_3 [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_4 [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_5 [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-04-01 01:16:37,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2023-04-01 01:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2023-04-01 01:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-04-01 01:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2023-04-01 01:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2023-04-01 01:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2023-04-01 01:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2023-04-01 01:16:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2023-04-01 01:16:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2023-04-01 01:16:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2023-04-01 01:16:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 01:16:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 01:16:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cypress_load_firmware [2023-04-01 01:16:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 01:16:37,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 01:16:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-04-01 01:16:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-04-01 01:16:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-01 01:16:37,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-01 01:16:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 01:16:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 01:16:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 01:16:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 01:16:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 01:16:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 01:16:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 01:16:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 01:16:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 01:16:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 01:16:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 01:16:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_3 [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_2 [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_4 [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_5 [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 01:16:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 01:16:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 01:16:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 01:16:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 01:16:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 01:16:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 01:16:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 01:16:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 01:16:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 01:16:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 01:16:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 01:16:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 01:16:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-01 01:16:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2023-04-01 01:16:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-04-01 01:16:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-04-01 01:16:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure cypress_load_firmware [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_probe [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_disconnect [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_driver_init [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure go7007_loader_driver_exit [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 01:16:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 01:16:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2023-04-01 01:16:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2023-04-01 01:16:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2023-04-01 01:16:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-04-01 01:16:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2023-04-01 01:16:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2023-04-01 01:16:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-04-01 01:16:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 01:16:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2023-04-01 01:16:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2023-04-01 01:16:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2023-04-01 01:16:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2023-04-01 01:16:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2023-04-01 01:16:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 01:16:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 01:16:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 01:16:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 01:16:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 01:16:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 01:16:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 01:16:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 01:16:37,906 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 01:16:37,908 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 01:16:38,050 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 01:16:38,542 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2023-04-01 01:16:38,598 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 01:16:38,733 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 01:16:38,733 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 01:16:38,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:16:38 BoogieIcfgContainer [2023-04-01 01:16:38,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 01:16:38,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 01:16:38,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 01:16:38,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 01:16:38,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:16:36" (1/3) ... [2023-04-01 01:16:38,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6894ee4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:16:38, skipping insertion in model container [2023-04-01 01:16:38,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:16:37" (2/3) ... [2023-04-01 01:16:38,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6894ee4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:16:38, skipping insertion in model container [2023-04-01 01:16:38,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:16:38" (3/3) ... [2023-04-01 01:16:38,746 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--staging--media--go7007--go7007-loader.ko-entry_point.cil.out.i [2023-04-01 01:16:38,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 01:16:38,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 01:16:38,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 01:16:38,828 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;@36a1f729, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 01:16:38,828 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 01:16:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 230 states, 136 states have (on average 1.3161764705882353) internal successors, (179), 149 states have internal predecessors, (179), 55 states have call successors, (55), 33 states have call predecessors, (55), 31 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-04-01 01:16:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-04-01 01:16:38,842 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:38,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:38,843 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:38,846 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:38,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1824008970, now seen corresponding path program 1 times [2023-04-01 01:16:38,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:38,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828218750] [2023-04-01 01:16:38,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:38,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 01:16:39,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:39,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828218750] [2023-04-01 01:16:39,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828218750] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:39,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:39,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:39,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170411329] [2023-04-01 01:16:39,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:39,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:39,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:39,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:39,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:39,380 INFO L87 Difference]: Start difference. First operand has 230 states, 136 states have (on average 1.3161764705882353) internal successors, (179), 149 states have internal predecessors, (179), 55 states have call successors, (55), 33 states have call predecessors, (55), 31 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-04-01 01:16:39,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:39,604 INFO L93 Difference]: Finished difference Result 518 states and 655 transitions. [2023-04-01 01:16:39,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:39,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 36 [2023-04-01 01:16:39,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:39,629 INFO L225 Difference]: With dead ends: 518 [2023-04-01 01:16:39,630 INFO L226 Difference]: Without dead ends: 314 [2023-04-01 01:16:39,637 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 [2023-04-01 01:16:39,646 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 184 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:39,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 412 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 01:16:39,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-04-01 01:16:39,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2023-04-01 01:16:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 196 states have (on average 1.2653061224489797) internal successors, (248), 200 states have internal predecessors, (248), 72 states have call successors, (72), 48 states have call predecessors, (72), 45 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2023-04-01 01:16:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 385 transitions. [2023-04-01 01:16:39,708 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 385 transitions. Word has length 36 [2023-04-01 01:16:39,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:39,708 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 385 transitions. [2023-04-01 01:16:39,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-04-01 01:16:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 385 transitions. [2023-04-01 01:16:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-01 01:16:39,711 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:39,712 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:39,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 01:16:39,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:39,713 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:39,713 INFO L85 PathProgramCache]: Analyzing trace with hash -432576144, now seen corresponding path program 1 times [2023-04-01 01:16:39,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:39,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398604548] [2023-04-01 01:16:39,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:39,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 01:16:40,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:40,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398604548] [2023-04-01 01:16:40,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398604548] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:40,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:40,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:40,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595228721] [2023-04-01 01:16:40,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:40,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:40,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:40,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:40,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:40,053 INFO L87 Difference]: Start difference. First operand 314 states and 385 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:40,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:40,123 INFO L93 Difference]: Finished difference Result 316 states and 386 transitions. [2023-04-01 01:16:40,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:40,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 49 [2023-04-01 01:16:40,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:40,126 INFO L225 Difference]: With dead ends: 316 [2023-04-01 01:16:40,126 INFO L226 Difference]: Without dead ends: 313 [2023-04-01 01:16:40,127 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 [2023-04-01 01:16:40,129 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 202 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:40,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 197 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 01:16:40,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-04-01 01:16:40,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2023-04-01 01:16:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 196 states have (on average 1.260204081632653) internal successors, (247), 199 states have internal predecessors, (247), 71 states have call successors, (71), 48 states have call predecessors, (71), 45 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2023-04-01 01:16:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 383 transitions. [2023-04-01 01:16:40,183 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 383 transitions. Word has length 49 [2023-04-01 01:16:40,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:40,184 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 383 transitions. [2023-04-01 01:16:40,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 383 transitions. [2023-04-01 01:16:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-04-01 01:16:40,191 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:40,191 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:40,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 01:16:40,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:40,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:40,192 INFO L85 PathProgramCache]: Analyzing trace with hash -525157948, now seen corresponding path program 1 times [2023-04-01 01:16:40,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:40,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681611394] [2023-04-01 01:16:40,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:40,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 01:16:40,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:40,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681611394] [2023-04-01 01:16:40,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681611394] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:40,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:40,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:40,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011947280] [2023-04-01 01:16:40,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:40,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:40,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:40,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:40,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:40,548 INFO L87 Difference]: Start difference. First operand 313 states and 383 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:40,641 INFO L93 Difference]: Finished difference Result 788 states and 968 transitions. [2023-04-01 01:16:40,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:40,641 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), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50 [2023-04-01 01:16:40,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:40,645 INFO L225 Difference]: With dead ends: 788 [2023-04-01 01:16:40,645 INFO L226 Difference]: Without dead ends: 496 [2023-04-01 01:16:40,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:40,647 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 124 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:40,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 379 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 01:16:40,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2023-04-01 01:16:40,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 480. [2023-04-01 01:16:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 305 states have (on average 1.2491803278688525) internal successors, (381), 308 states have internal predecessors, (381), 104 states have call successors, (104), 80 states have call predecessors, (104), 70 states have return successors, (97), 91 states have call predecessors, (97), 97 states have call successors, (97) [2023-04-01 01:16:40,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 582 transitions. [2023-04-01 01:16:40,682 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 582 transitions. Word has length 50 [2023-04-01 01:16:40,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:40,683 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 582 transitions. [2023-04-01 01:16:40,683 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), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 582 transitions. [2023-04-01 01:16:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-01 01:16:40,684 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:40,684 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:40,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 01:16:40,684 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:40,685 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:40,685 INFO L85 PathProgramCache]: Analyzing trace with hash 899778291, now seen corresponding path program 1 times [2023-04-01 01:16:40,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:40,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979439076] [2023-04-01 01:16:40,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:40,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 01:16:40,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:40,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979439076] [2023-04-01 01:16:40,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979439076] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:40,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:40,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:40,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682812671] [2023-04-01 01:16:40,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:40,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:40,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:40,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:40,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:40,798 INFO L87 Difference]: Start difference. First operand 480 states and 582 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:40,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:40,904 INFO L93 Difference]: Finished difference Result 494 states and 595 transitions. [2023-04-01 01:16:40,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:40,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2023-04-01 01:16:40,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:40,907 INFO L225 Difference]: With dead ends: 494 [2023-04-01 01:16:40,907 INFO L226 Difference]: Without dead ends: 491 [2023-04-01 01:16:40,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:40,908 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 121 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:40,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 376 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 01:16:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2023-04-01 01:16:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 481. [2023-04-01 01:16:40,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 306 states have (on average 1.2483660130718954) internal successors, (382), 309 states have internal predecessors, (382), 104 states have call successors, (104), 80 states have call predecessors, (104), 70 states have return successors, (97), 91 states have call predecessors, (97), 97 states have call successors, (97) [2023-04-01 01:16:40,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 583 transitions. [2023-04-01 01:16:40,940 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 583 transitions. Word has length 51 [2023-04-01 01:16:40,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:40,941 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 583 transitions. [2023-04-01 01:16:40,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:40,941 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 583 transitions. [2023-04-01 01:16:40,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-01 01:16:40,942 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:40,942 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:40,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 01:16:40,942 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:40,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:40,943 INFO L85 PathProgramCache]: Analyzing trace with hash 2123133607, now seen corresponding path program 1 times [2023-04-01 01:16:40,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:40,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244551187] [2023-04-01 01:16:40,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:40,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 01:16:41,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:41,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244551187] [2023-04-01 01:16:41,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244551187] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:41,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:41,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:41,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362968779] [2023-04-01 01:16:41,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:41,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:41,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:41,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:41,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:41,025 INFO L87 Difference]: Start difference. First operand 481 states and 583 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:41,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:41,100 INFO L93 Difference]: Finished difference Result 483 states and 584 transitions. [2023-04-01 01:16:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:41,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2023-04-01 01:16:41,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:41,104 INFO L225 Difference]: With dead ends: 483 [2023-04-01 01:16:41,104 INFO L226 Difference]: Without dead ends: 480 [2023-04-01 01:16:41,104 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 [2023-04-01 01:16:41,105 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 197 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:41,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 195 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 01:16:41,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-04-01 01:16:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2023-04-01 01:16:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 306 states have (on average 1.2450980392156863) internal successors, (381), 308 states have internal predecessors, (381), 103 states have call successors, (103), 80 states have call predecessors, (103), 70 states have return successors, (97), 91 states have call predecessors, (97), 97 states have call successors, (97) [2023-04-01 01:16:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 581 transitions. [2023-04-01 01:16:41,145 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 581 transitions. Word has length 52 [2023-04-01 01:16:41,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:41,145 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 581 transitions. [2023-04-01 01:16:41,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:41,146 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 581 transitions. [2023-04-01 01:16:41,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-01 01:16:41,147 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:41,147 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:41,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 01:16:41,147 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:41,148 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:41,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1392447606, now seen corresponding path program 1 times [2023-04-01 01:16:41,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:41,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317178128] [2023-04-01 01:16:41,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:41,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 01:16:41,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:41,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317178128] [2023-04-01 01:16:41,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317178128] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:41,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:41,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:41,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548788134] [2023-04-01 01:16:41,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:41,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:41,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:41,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:41,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:41,241 INFO L87 Difference]: Start difference. First operand 480 states and 581 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:41,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:41,326 INFO L93 Difference]: Finished difference Result 482 states and 582 transitions. [2023-04-01 01:16:41,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:41,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2023-04-01 01:16:41,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:41,332 INFO L225 Difference]: With dead ends: 482 [2023-04-01 01:16:41,332 INFO L226 Difference]: Without dead ends: 462 [2023-04-01 01:16:41,334 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 [2023-04-01 01:16:41,335 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 194 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:41,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 194 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 01:16:41,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2023-04-01 01:16:41,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2023-04-01 01:16:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 296 states have (on average 1.2432432432432432) internal successors, (368), 297 states have internal predecessors, (368), 98 states have call successors, (98), 76 states have call predecessors, (98), 67 states have return successors, (94), 88 states have call predecessors, (94), 94 states have call successors, (94) [2023-04-01 01:16:41,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 560 transitions. [2023-04-01 01:16:41,381 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 560 transitions. Word has length 53 [2023-04-01 01:16:41,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:41,381 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 560 transitions. [2023-04-01 01:16:41,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 01:16:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 560 transitions. [2023-04-01 01:16:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-04-01 01:16:41,383 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:41,384 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:41,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 01:16:41,384 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:41,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:41,385 INFO L85 PathProgramCache]: Analyzing trace with hash 272028072, now seen corresponding path program 1 times [2023-04-01 01:16:41,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:41,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019258537] [2023-04-01 01:16:41,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:41,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-04-01 01:16:41,495 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:41,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019258537] [2023-04-01 01:16:41,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019258537] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:41,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:41,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:16:41,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972396477] [2023-04-01 01:16:41,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:41,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:16:41,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:41,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:16:41,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:16:41,498 INFO L87 Difference]: Start difference. First operand 462 states and 560 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-01 01:16:41,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:41,601 INFO L93 Difference]: Finished difference Result 797 states and 971 transitions. [2023-04-01 01:16:41,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:16:41,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 95 [2023-04-01 01:16:41,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:41,604 INFO L225 Difference]: With dead ends: 797 [2023-04-01 01:16:41,604 INFO L226 Difference]: Without dead ends: 356 [2023-04-01 01:16:41,605 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 [2023-04-01 01:16:41,606 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 64 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:41,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 369 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 01:16:41,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2023-04-01 01:16:41,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 325. [2023-04-01 01:16:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 216 states have (on average 1.2685185185185186) internal successors, (274), 217 states have internal predecessors, (274), 62 states have call successors, (62), 52 states have call predecessors, (62), 46 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2023-04-01 01:16:41,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 394 transitions. [2023-04-01 01:16:41,636 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 394 transitions. Word has length 95 [2023-04-01 01:16:41,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:41,637 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 394 transitions. [2023-04-01 01:16:41,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-01 01:16:41,637 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 394 transitions. [2023-04-01 01:16:41,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-04-01 01:16:41,638 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:41,638 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:41,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 01:16:41,639 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:41,639 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:41,639 INFO L85 PathProgramCache]: Analyzing trace with hash -147457339, now seen corresponding path program 1 times [2023-04-01 01:16:41,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:41,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529756460] [2023-04-01 01:16:41,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:41,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-01 01:16:42,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:42,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529756460] [2023-04-01 01:16:42,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529756460] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:42,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:42,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 01:16:42,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243539058] [2023-04-01 01:16:42,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:42,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 01:16:42,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:42,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 01:16:42,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:16:42,008 INFO L87 Difference]: Start difference. First operand 325 states and 394 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-01 01:16:42,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:42,102 INFO L93 Difference]: Finished difference Result 526 states and 643 transitions. [2023-04-01 01:16:42,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 01:16:42,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 112 [2023-04-01 01:16:42,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:42,104 INFO L225 Difference]: With dead ends: 526 [2023-04-01 01:16:42,104 INFO L226 Difference]: Without dead ends: 325 [2023-04-01 01:16:42,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 01:16:42,106 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 0 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:42,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 755 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 01:16:42,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-04-01 01:16:42,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2023-04-01 01:16:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 216 states have (on average 1.2592592592592593) internal successors, (272), 217 states have internal predecessors, (272), 62 states have call successors, (62), 52 states have call predecessors, (62), 46 states have return successors, (58), 55 states have call predecessors, (58), 58 states have call successors, (58) [2023-04-01 01:16:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 392 transitions. [2023-04-01 01:16:42,128 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 392 transitions. Word has length 112 [2023-04-01 01:16:42,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:42,128 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 392 transitions. [2023-04-01 01:16:42,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2023-04-01 01:16:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 392 transitions. [2023-04-01 01:16:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-04-01 01:16:42,130 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:42,130 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:42,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-01 01:16:42,130 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:42,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:42,131 INFO L85 PathProgramCache]: Analyzing trace with hash -179516520, now seen corresponding path program 1 times [2023-04-01 01:16:42,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:42,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756489808] [2023-04-01 01:16:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:42,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-01 01:16:42,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:42,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756489808] [2023-04-01 01:16:42,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756489808] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:42,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:42,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-04-01 01:16:42,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113204228] [2023-04-01 01:16:42,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:42,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-04-01 01:16:42,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:42,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-04-01 01:16:42,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-04-01 01:16:42,632 INFO L87 Difference]: Start difference. First operand 325 states and 392 transitions. Second operand has 8 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (20), 4 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-01 01:16:43,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:43,097 INFO L93 Difference]: Finished difference Result 637 states and 775 transitions. [2023-04-01 01:16:43,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-01 01:16:43,098 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (20), 4 states have call predecessors, (20), 2 states have call successors, (20) Word has length 116 [2023-04-01 01:16:43,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:43,100 INFO L225 Difference]: With dead ends: 637 [2023-04-01 01:16:43,100 INFO L226 Difference]: Without dead ends: 454 [2023-04-01 01:16:43,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-01 01:16:43,101 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 165 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:43,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 815 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-01 01:16:43,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2023-04-01 01:16:43,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 425. [2023-04-01 01:16:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 284 states have (on average 1.2711267605633803) internal successors, (361), 285 states have internal predecessors, (361), 78 states have call successors, (78), 68 states have call predecessors, (78), 62 states have return successors, (75), 71 states have call predecessors, (75), 73 states have call successors, (75) [2023-04-01 01:16:43,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 514 transitions. [2023-04-01 01:16:43,139 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 514 transitions. Word has length 116 [2023-04-01 01:16:43,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:43,139 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 514 transitions. [2023-04-01 01:16:43,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (23), 3 states have call predecessors, (23), 4 states have return successors, (20), 4 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-01 01:16:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 514 transitions. [2023-04-01 01:16:43,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-04-01 01:16:43,142 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:43,142 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:43,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-01 01:16:43,142 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:43,142 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:43,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1270239329, now seen corresponding path program 1 times [2023-04-01 01:16:43,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:43,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234291431] [2023-04-01 01:16:43,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:43,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:16:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-04-01 01:16:45,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:16:45,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234291431] [2023-04-01 01:16:45,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234291431] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:16:45,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:16:45,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2023-04-01 01:16:45,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049009495] [2023-04-01 01:16:45,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:16:45,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-04-01 01:16:45,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:16:45,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-04-01 01:16:45,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2023-04-01 01:16:45,554 INFO L87 Difference]: Start difference. First operand 425 states and 514 transitions. Second operand has 24 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 18 states have internal predecessors, (66), 9 states have call successors, (23), 5 states have call predecessors, (23), 8 states have return successors, (20), 10 states have call predecessors, (20), 8 states have call successors, (20) [2023-04-01 01:16:47,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:16:47,335 INFO L93 Difference]: Finished difference Result 603 states and 740 transitions. [2023-04-01 01:16:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-04-01 01:16:47,336 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 18 states have internal predecessors, (66), 9 states have call successors, (23), 5 states have call predecessors, (23), 8 states have return successors, (20), 10 states have call predecessors, (20), 8 states have call successors, (20) Word has length 117 [2023-04-01 01:16:47,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:16:47,338 INFO L225 Difference]: With dead ends: 603 [2023-04-01 01:16:47,339 INFO L226 Difference]: Without dead ends: 585 [2023-04-01 01:16:47,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=428, Invalid=1642, Unknown=0, NotChecked=0, Total=2070 [2023-04-01 01:16:47,340 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 675 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 1770 mSolverCounterSat, 531 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1376 SdHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 531 IncrementalHoareTripleChecker+Valid, 1770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-01 01:16:47,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 1376 Invalid, 2301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [531 Valid, 1770 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-01 01:16:47,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2023-04-01 01:16:47,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 476. [2023-04-01 01:16:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 316 states have (on average 1.2753164556962024) internal successors, (403), 319 states have internal predecessors, (403), 93 states have call successors, (93), 68 states have call predecessors, (93), 66 states have return successors, (95), 88 states have call predecessors, (95), 88 states have call successors, (95) [2023-04-01 01:16:47,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 591 transitions. [2023-04-01 01:16:47,393 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 591 transitions. Word has length 117 [2023-04-01 01:16:47,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:16:47,393 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 591 transitions. [2023-04-01 01:16:47,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 18 states have internal predecessors, (66), 9 states have call successors, (23), 5 states have call predecessors, (23), 8 states have return successors, (20), 10 states have call predecessors, (20), 8 states have call successors, (20) [2023-04-01 01:16:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 591 transitions. [2023-04-01 01:16:47,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-04-01 01:16:47,394 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:16:47,394 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:47,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-01 01:16:47,395 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:16:47,395 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:16:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1786981571, now seen corresponding path program 1 times [2023-04-01 01:16:47,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:16:47,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478995941] [2023-04-01 01:16:47,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:16:47,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:16:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 01:16:47,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-04-01 01:16:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-04-01 01:16:47,633 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-04-01 01:16:47,633 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-04-01 01:16:47,634 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 01:16:47,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-01 01:16:47,638 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 01:16:47,641 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 01:16:47,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 01:16:47 BoogieIcfgContainer [2023-04-01 01:16:47,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 01:16:47,789 INFO L158 Benchmark]: Toolchain (without parser) took 11257.59ms. Allocated memory was 178.3MB in the beginning and 406.8MB in the end (delta: 228.6MB). Free memory was 119.1MB in the beginning and 320.9MB in the end (delta: -201.8MB). Peak memory consumption was 28.8MB. Max. memory is 8.0GB. [2023-04-01 01:16:47,789 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 178.3MB. Free memory was 126.0MB in the beginning and 125.9MB in the end (delta: 147.0kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 01:16:47,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.75ms. Allocated memory is still 178.3MB. Free memory was 118.5MB in the beginning and 59.2MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2023-04-01 01:16:47,790 INFO L158 Benchmark]: Boogie Preprocessor took 160.44ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 59.2MB in the beginning and 213.0MB in the end (delta: -153.7MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2023-04-01 01:16:47,790 INFO L158 Benchmark]: RCFGBuilder took 1189.06ms. Allocated memory is still 245.4MB. Free memory was 213.0MB in the beginning and 131.2MB in the end (delta: 81.8MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2023-04-01 01:16:47,791 INFO L158 Benchmark]: TraceAbstraction took 9048.14ms. Allocated memory was 245.4MB in the beginning and 406.8MB in the end (delta: 161.5MB). Free memory was 130.7MB in the beginning and 320.9MB in the end (delta: -190.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 01:16:47,792 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 178.3MB. Free memory was 126.0MB in the beginning and 125.9MB in the end (delta: 147.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 852.75ms. Allocated memory is still 178.3MB. Free memory was 118.5MB in the beginning and 59.2MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 160.44ms. Allocated memory was 178.3MB in the beginning and 245.4MB in the end (delta: 67.1MB). Free memory was 59.2MB in the beginning and 213.0MB in the end (delta: -153.7MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * RCFGBuilder took 1189.06ms. Allocated memory is still 245.4MB. Free memory was 213.0MB in the beginning and 131.2MB in the end (delta: 81.8MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. * TraceAbstraction took 9048.14ms. Allocated memory was 245.4MB in the beginning and 406.8MB in the end (delta: 161.5MB). Free memory was 130.7MB in the beginning and 320.9MB in the end (delta: -190.2MB). There was no memory consumed. Max. memory is 8.0GB. * 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: 3382]: 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 3552. Possible FailurePath: [L3405] int ldv_state_variable_1 ; [L3406] int LDV_IN_INTERRUPT = 1; [L3407] int usb_counter ; [L3408] int ref_cnt ; [L3409] int ldv_state_variable_0 ; [L3410] struct usb_interface *go7007_loader_driver_group1 ; [L3416-L3421] struct fw_config fw_configs[6U] = { {6467U, 41552U, "go7007/s2250-1.fw", "go7007/s2250-2.fw"}, {2363U, 40962U, "go7007/px-m402u.fw", (char const *)0}, {2363U, 40964U, "go7007/px-tv402u.fw", (char const *)0}, {3761U, 26214U, "go7007/lr192.fw", (char const *)0}, {3761U, 26216U, "go7007/wis-startrek.fw", (char const *)0}, {0U, 0U, (char const *)0, (char const *)0}}; [L3517-L3531] static struct usb_device_id const go7007_loader_ids[6U] = { {3U, 6467U, 41552U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2363U, 40962U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2363U, 40964U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3761U, 26214U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3761U, 26216U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L3532] struct usb_device_id const __mod_usb_device_table ; [L3533-L3547] static struct usb_driver go7007_loader_driver = {"go7007-loader", & go7007_loader_probe, & go7007_loader_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& go7007_loader_ids), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L3563] int ldv_retval_0 ; [L3564] int ldv_retval_1 ; [L3721] int INTERF_STATE = 0; [L3722] int SERIAL_STATE = 0; [L3723] void *usb_intfdata = 0; [L3724] struct urb *usb_urb = 0; [L3725] struct usb_device *usb_dev = 0; [L3726] int dev_counter = 0; [L3727] int completeFnIntCounter = 0; [L3728] int completeFnBulkCounter = 0; [L3729] void (*completeFnInt)(struct urb * ) ; [L3730] void (*completeFnBulk)(struct urb * ) ; [L3578] struct usb_device_id *ldvarg0 ; [L3579] void *tmp ; [L3580] int tmp___0 ; [L3581] int tmp___1 ; [L3582] int tmp___2 ; VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3584] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(size)=32, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3347] void *p ; [L3348] void *tmp ; [L3349] int tmp___0 ; [L3351] tmp___0 = __VERIFIER_nondet_int() [L3352] COND TRUE tmp___0 != 0 [L3353] return ((void *)0); VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(size)=32, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, size=32, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3584] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(32UL)={0:0}, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3584] tmp = ldv_zalloc(32UL) [L3585] ldvarg0 = (struct usb_device_id *)tmp VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3586] FCALL ldv_initialize() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3587] ldv_state_variable_1 = 0 [L3588] ref_cnt = 0 [L3589] ldv_state_variable_0 = 1 VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3591] tmp___0 = __VERIFIER_nondet_int() [L3593] case 0: [L3623] case 1: VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3624] COND TRUE ldv_state_variable_0 != 0 [L3625] tmp___2 = __VERIFIER_nondet_int() [L3627] case 0: [L3635] case 1: VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3636] COND TRUE ldv_state_variable_0 == 1 VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3637] CALL, EXPR go7007_loader_driver_init() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3550] int tmp ; VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3552] CALL, EXPR ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader") VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_func_arg1={21:0}, ldv_func_arg2={4294967325:4294967354}, ldv_func_arg3={18:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] ldv_func_ret_type ldv_func_res ; [L3694] int tmp ; VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_func_arg1={21:0}, ldv_func_arg1={21:0}, ldv_func_arg2={4294967325:4294967354}, ldv_func_arg2={4294967325:4294967354}, ldv_func_arg3={18:0}, ldv_func_arg3={18:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3696] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, arg0={21:0}, arg1={4294967325:4294967354}, arg2={18:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3972] return __VERIFIER_nondet_int(); [L3696] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_func_arg1={21:0}, ldv_func_arg1={21:0}, ldv_func_arg2={4294967325:4294967354}, ldv_func_arg2={4294967325:4294967354}, ldv_func_arg3={18:0}, ldv_func_arg3={18:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3)=0, usb_urb={0:0}] [L3696] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L3697] ldv_func_res = tmp [L3698] ldv_state_variable_1 = 1 [L3699] usb_counter = 0 VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_func_arg1={21:0}, ldv_func_arg1={21:0}, ldv_func_arg2={4294967325:4294967354}, ldv_func_arg2={4294967325:4294967354}, ldv_func_arg3={18:0}, ldv_func_arg3={18:0}, ldv_func_res=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] CALL ldv_usb_driver_1() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3569] void *tmp ; VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3571] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(size)=1520, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3347] void *p ; [L3348] void *tmp ; [L3349] int tmp___0 ; [L3351] tmp___0 = __VERIFIER_nondet_int() [L3352] COND TRUE tmp___0 != 0 [L3353] return ((void *)0); VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(size)=1520, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, size=1520, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3571] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_zalloc(1520UL)={0:0}, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3571] tmp = ldv_zalloc(1520UL) [L3572] go7007_loader_driver_group1 = (struct usb_interface *)tmp [L3700] RET ldv_usb_driver_1() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_func_arg1={21:0}, ldv_func_arg1={21:0}, ldv_func_arg2={4294967325:4294967354}, ldv_func_arg2={4294967325:4294967354}, ldv_func_arg3={18:0}, ldv_func_arg3={18:0}, ldv_func_res=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3701] return (ldv_func_res); [L3552] RET, EXPR ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader") VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader")=0, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3552] tmp = ldv_usb_register_driver_4(& go7007_loader_driver, & __this_module, "go7007_loader") [L3553] return (tmp); [L3637] RET, EXPR go7007_loader_driver_init() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_driver_init()=0, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3637] ldv_retval_1 = go7007_loader_driver_init() [L3638] COND TRUE ldv_retval_1 == 0 [L3639] ldv_state_variable_0 = 3 VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3642] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3591] tmp___0 = __VERIFIER_nondet_int() [L3593] case 0: VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3594] COND TRUE ldv_state_variable_1 != 0 [L3595] tmp___1 = __VERIFIER_nondet_int() [L3597] case 0: VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3598] COND TRUE ldv_state_variable_1 == 1 VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3599] CALL, EXPR go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, interface={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3424] struct usb_device *usbdev ; [L3425] struct firmware const *fw ; [L3426] u16 vendor ; [L3427] u16 product ; [L3428] char const *fw1 ; [L3429] char const *fw2 ; [L3430] int ret ; [L3431] int i ; [L3432] struct usb_device *tmp ; [L3433] int tmp___0 ; [L3434] int tmp___1 ; VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={4294967318:0}, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, interface={0:0}, interface={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3436] CALL, EXPR interface_to_usbdev(interface) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, intf={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3669] struct usb_device *tmp ; VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, intf={0:0}, intf={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3671] CALL, EXPR ldv_interface_to_usbdev() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3816] void *result ; [L3817] void *tmp ; VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3819] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(size)=1181, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3330] void *p ; [L3331] void *tmp ; [L3332] int tmp___0 ; [L3334] tmp___0 = __VERIFIER_nondet_int() [L3335] COND FALSE !(tmp___0 != 0) [L3338] tmp = malloc(size) [L3339] p = tmp VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(size)=1181, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={4294967297:0}, ref_cnt=0, size=1181, tmp={4294967297:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3340] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(cond)=1, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3326] COND FALSE !(!cond) [L3340] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(size)=1181, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={4294967297:0}, ref_cnt=0, size=1181, tmp={4294967297:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3341] return (p); VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(size)=1181, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, \result={4294967297:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={4294967297:0}, ref_cnt=0, size=1181, tmp={4294967297:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3819] RET, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_malloc(sizeof(struct usb_device))={4294967297:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3819] tmp = ldv_malloc(sizeof(struct usb_device)) [L3820] result = tmp VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={4294967297:0}, tmp={4294967297:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3821] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={4294967297:0}, tmp={4294967297:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3825] return (result); [L3671] RET, EXPR ldv_interface_to_usbdev() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, intf={0:0}, intf={0:0}, ldv_interface_to_usbdev()={4294967297:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3671] tmp = ldv_interface_to_usbdev() [L3672] return (tmp); [L3436] RET, EXPR interface_to_usbdev(interface) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw={4294967318:0}, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, interface={0:0}, interface={0:0}, interface_to_usbdev(interface)={4294967297:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3436] tmp = interface_to_usbdev(interface) [L3437] CALL, EXPR ldv_usb_get_dev_2(tmp) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_func_arg1={4294967297:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3677] struct usb_device *tmp ; VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_func_arg1={4294967297:0}, ldv_func_arg1={4294967297:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] CALL, EXPR ldv_get_dev(ldv_func_arg1) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, data={4294967297:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3830] int tmp ; VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, data={4294967297:0}, data={4294967297:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3832] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, data={4294967297:0}, data={4294967297:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3833] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3364] int tmp ; [L3366] tmp = __VERIFIER_nondet_int() [L3367] return (tmp); [L3833] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, data={4294967297:0}, data={4294967297:0}, dev_counter=0, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_undef_int()=1, ref_cnt=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3833] tmp = ldv_undef_int() [L3834] COND TRUE \read(tmp) [L3835] dev_counter = dev_counter + 1 [L3836] usb_dev = data VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, data={4294967297:0}, data={4294967297:0}, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, tmp=1, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3844] return (usb_dev); [L3679] RET, EXPR ldv_get_dev(ldv_func_arg1) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_func_arg1={4294967297:0}, ldv_func_arg1={4294967297:0}, ldv_get_dev(ldv_func_arg1)={4294967297:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] tmp = ldv_get_dev(ldv_func_arg1) [L3680] return (tmp); [L3437] RET, EXPR ldv_usb_get_dev_2(tmp) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw={4294967318:0}, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, interface={0:0}, interface={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_usb_get_dev_2(tmp)={4294967297:0}, ref_cnt=0, tmp={4294967297:0}, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3437] usbdev = ldv_usb_get_dev_2(tmp) [L3438] COND FALSE !((unsigned long )usbdev == (unsigned long )((struct usb_device *)0)) [L3442] EXPR usbdev->descriptor.bNumConfigurations VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw={4294967318:0}, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, interface={0:0}, interface={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, tmp={4294967297:0}, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbdev->descriptor.bNumConfigurations=39, usbdev={4294967297:0}] [L3442] COND TRUE (unsigned int )usbdev->descriptor.bNumConfigurations != 1U [L3443] CALL dev_err((struct device const *)(& interface->dev), "can\'t handle multiple config\n") VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, arg0={0:32}, arg1={9:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3955] return __VERIFIER_nondet_int(); [L3443] RET dev_err((struct device const *)(& interface->dev), "can\'t handle multiple config\n") VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, dev_err((struct device const *)(& interface->dev), "can\'t handle multiple config\n")=0, fw={4294967318:0}, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, interface={0:0}, interface={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, tmp={4294967297:0}, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbdev={4294967297:0}] [L3444] return (-19); [L3444] return (-19); VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, \result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, id={0:0}, id={0:0}, interface={0:0}, interface={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, tmp={4294967297:0}, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbdev={4294967297:0}] [L3599] RET, EXPR go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0)=-19, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3599] ldv_retval_0 = go7007_loader_probe(go7007_loader_driver_group1, (struct usb_device_id const *)ldvarg0) [L3600] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3591] tmp___0 = __VERIFIER_nondet_int() [L3593] case 0: [L3623] case 1: VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3624] COND TRUE ldv_state_variable_0 != 0 [L3625] tmp___2 = __VERIFIER_nondet_int() [L3627] case 0: VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3628] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3629] CALL go7007_loader_driver_exit() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=1, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3559] CALL ldv_usb_deregister_5(& go7007_loader_driver) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=1, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, arg={21:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3707] FCALL usb_deregister(arg) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=1, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, arg={21:0}, arg={21:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3708] ldv_state_variable_1 = 0 [L3559] RET ldv_usb_deregister_5(& go7007_loader_driver) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=1, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3629] RET go7007_loader_driver_exit() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3630] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3663] CALL ldv_check_final_state() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3922] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3926] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3928] CALL ldv_error() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3382] reach_error() VAL [={0:0}, ={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, SERIAL_STATE=0, \old(dev_counter)=0, \old(go7007_loader_driver_group1)={0:0}, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(ref_cnt)=0, \old(usb_counter)=0, \old(usb_dev)={0:0}, \old(usb_intfdata)={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={4294967325:4294967354}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, fw_configs={19:0}, go7007_loader_driver={21:0}, go7007_loader_driver_group1={0:0}, go7007_loader_ids={20:0}, ldv_retval_0=-19, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, usb_counter=0, usb_dev={4294967297:0}, usb_intfdata={0:0}, usb_urb={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 50 procedures, 263 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1965 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1926 mSDsluCounter, 5068 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3199 mSDsCounter, 545 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2795 IncrementalHoareTripleChecker+Invalid, 3340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 545 mSolverCounterUnsat, 1869 mSDtfsCounter, 2795 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=481occurred in iteration=4, InterpolantAutomatonStates: 71, 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, 10 MinimizatonAttempts, 195 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 721 ConstructedInterpolants, 0 QuantifiedInterpolants, 1826 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 65/65 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 [2023-04-01 01:16:47,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...