/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 OctagonDomain -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 07:56:11,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 07:56:11,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 07:56:11,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 07:56:11,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 07:56:11,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 07:56:11,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 07:56:11,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 07:56:11,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 07:56:11,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 07:56:11,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 07:56:11,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 07:56:11,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 07:56:11,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 07:56:11,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 07:56:11,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 07:56:11,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 07:56:11,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 07:56:11,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 07:56:11,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 07:56:11,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 07:56:11,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 07:56:11,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 07:56:11,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 07:56:11,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 07:56:11,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 07:56:11,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 07:56:11,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 07:56:11,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 07:56:11,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 07:56:11,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 07:56:11,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 07:56:11,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 07:56:11,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 07:56:11,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 07:56:11,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 07:56:11,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 07:56:11,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 07:56:11,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 07:56:11,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 07:56:11,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 07:56:11,634 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 07:56:11,657 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 07:56:11,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 07:56:11,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 07:56:11,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 07:56:11,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 07:56:11,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 07:56:11,658 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 07:56:11,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 07:56:11,658 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 07:56:11,658 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 07:56:11,659 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 07:56:11,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 07:56:11,659 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 07:56:11,659 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 07:56:11,659 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 07:56:11,659 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 07:56:11,659 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 07:56:11,659 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 07:56:11,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 07:56:11,660 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 07:56:11,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 07:56:11,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 07:56:11,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 07:56:11,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 07:56:11,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 07:56:11,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 07:56:11,661 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 07:56:11,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 07:56:11,661 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 07:56:11,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 07:56:11,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 07:56:11,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 07:56:11,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:56:11,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 07:56:11,661 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 07:56:11,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 07:56:11,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 07:56:11,662 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 07:56:11,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 07:56:11,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 07:56:11,662 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 07:56:11,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 07:56:11,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 07:56:11,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 07:56:11,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 07:56:11,871 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 07:56:11,871 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 07:56:11,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2023-04-01 07:56:12,922 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 07:56:13,272 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 07:56:13,272 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2023-04-01 07:56:13,304 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb62d78ac/fc11f51e6cba40d0a277852b8cc52def/FLAG18bec0d70 [2023-04-01 07:56:13,315 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb62d78ac/fc11f51e6cba40d0a277852b8cc52def [2023-04-01 07:56:13,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 07:56:13,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 07:56:13,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 07:56:13,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 07:56:13,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 07:56:13,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:56:13" (1/1) ... [2023-04-01 07:56:13,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca4f1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:13, skipping insertion in model container [2023-04-01 07:56:13,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:56:13" (1/1) ... [2023-04-01 07:56:13,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 07:56:13,467 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 07:56:14,535 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2023-04-01 07:56:14,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:56:14,615 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 07:56:14,907 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i[400138,400151] [2023-04-01 07:56:14,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:56:14,963 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 07:56:14,968 INFO L208 MainTranslator]: Completed translation [2023-04-01 07:56:14,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14 WrapperNode [2023-04-01 07:56:14,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 07:56:14,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 07:56:14,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 07:56:14,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 07:56:14,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (1/1) ... [2023-04-01 07:56:14,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (1/1) ... [2023-04-01 07:56:15,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (1/1) ... [2023-04-01 07:56:15,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (1/1) ... [2023-04-01 07:56:15,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (1/1) ... [2023-04-01 07:56:15,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (1/1) ... [2023-04-01 07:56:15,405 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (1/1) ... [2023-04-01 07:56:15,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (1/1) ... [2023-04-01 07:56:15,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 07:56:15,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 07:56:15,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 07:56:15,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 07:56:15,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (1/1) ... [2023-04-01 07:56:15,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:56:15,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:56:15,592 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 07:56:15,597 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 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 07:56:15,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2023-04-01 07:56:15,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2023-04-01 07:56:15,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure update_edgeport_E2PROM [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_product_info [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_product_info [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_epic_descriptor [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_interrupt_callback [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_in_callback [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_out_data_callback [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_bulk_out_cmd_callback [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_open [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_chase_response [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure block_until_tx_empty [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_close [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure send_more_port_data [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_write_room [2023-04-01 07:56:15,617 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_chars_in_buffer [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_throttle [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_unthrottle [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_set_termios [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lsr_info [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmset [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tiocmget [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_ioctl [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_break [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_data [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure process_rcvd_status [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_tty_recv [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_msr [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_lsr [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure sram_write [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_write [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rom_read [2023-04-01 07:56:15,618 INFO L138 BoogieDeclarations]: Found implementation of procedure send_iosp_ext_cmd [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd_usb [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_baud_rate [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_baud_rate_divisor [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cmd_write_uart_register [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure change_port_settings [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure unicode_to_ascii [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure get_manufacturing_desc [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure get_boot_desc [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure load_application_firmware [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_startup [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_disconnect [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_release [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_probe [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure edge_port_remove [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_init [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_exit [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_4 [2023-04-01 07:56:15,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_2 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_3 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_25 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_27 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_28 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_29 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_30 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_31 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_32 [2023-04-01 07:56:15,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-01 07:56:15,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_3 [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_4 [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2023-04-01 07:56:15,622 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 07:56:15,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 07:56:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 07:56:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 07:56:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 07:56:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_4 [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_2 [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_3 [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 07:56:15,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 07:56:15,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_27 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_29 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_31 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_32 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_25 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_28 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_30 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2023-04-01 07:56:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_interrupt_callback [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_in_callback [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_out_data_callback [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_bulk_out_cmd_callback [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_open [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_close [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_write_room [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_chars_in_buffer [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_throttle [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_unthrottle [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_set_termios [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_ioctl [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_break [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmget [2023-04-01 07:56:15,630 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tiocmset [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure edge_startup [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure edge_disconnect [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure edge_release [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_probe [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure edge_port_remove [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_data [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure process_rcvd_status [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure edge_tty_recv [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_msr [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_lsr [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure send_iosp_ext_cmd [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure calc_baud_rate_divisor [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_baud_rate [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure change_port_settings [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure send_cmd_write_uart_register [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd_usb [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure send_more_port_data [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure sram_write [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure rom_read [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure rom_write [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure get_manufacturing_desc [2023-04-01 07:56:15,631 INFO L130 BoogieDeclarations]: Found specification of procedure get_boot_desc [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure load_application_firmware [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure unicode_to_ascii [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure update_edgeport_E2PROM [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure dump_product_info [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_product_info [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_epic_descriptor [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_chase_response [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure block_until_tx_empty [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_lsr_info [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_init [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_exit [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_4 [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_3 [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 07:56:15,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 07:56:15,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 07:56:16,270 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 07:56:16,274 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 07:56:16,668 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 07:56:28,443 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 07:56:29,979 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 07:56:29,980 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 07:56:29,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:56:29 BoogieIcfgContainer [2023-04-01 07:56:29,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 07:56:29,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 07:56:29,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 07:56:29,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 07:56:29,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 07:56:13" (1/3) ... [2023-04-01 07:56:29,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8b261b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:56:29, skipping insertion in model container [2023-04-01 07:56:29,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:56:14" (2/3) ... [2023-04-01 07:56:29,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8b261b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:56:29, skipping insertion in model container [2023-04-01 07:56:29,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:56:29" (3/3) ... [2023-04-01 07:56:29,993 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--io_edgeport.ko-entry_point.cil.out.i [2023-04-01 07:56:30,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 07:56:30,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 07:56:30,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 07:56:30,106 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;@42155534, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 07:56:30,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 07:56:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand has 3134 states, 1978 states have (on average 1.378665318503539) internal successors, (2727), 2082 states have internal predecessors, (2727), 989 states have call successors, (989), 162 states have call predecessors, (989), 161 states have return successors, (983), 969 states have call predecessors, (983), 983 states have call successors, (983) [2023-04-01 07:56:30,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2023-04-01 07:56:30,147 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:56:30,148 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:30,149 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:56:30,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:56:30,152 INFO L85 PathProgramCache]: Analyzing trace with hash 377377394, now seen corresponding path program 1 times [2023-04-01 07:56:30,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:56:30,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920996673] [2023-04-01 07:56:30,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:56:30,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:56:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:56:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2023-04-01 07:56:31,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:56:31,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920996673] [2023-04-01 07:56:31,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920996673] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:56:31,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:56:31,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:56:31,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861382481] [2023-04-01 07:56:31,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:56:31,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:56:31,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:56:31,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:56:31,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:56:31,716 INFO L87 Difference]: Start difference. First operand has 3134 states, 1978 states have (on average 1.378665318503539) internal successors, (2727), 2082 states have internal predecessors, (2727), 989 states have call successors, (989), 162 states have call predecessors, (989), 161 states have return successors, (983), 969 states have call predecessors, (983), 983 states have call successors, (983) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-01 07:56:35,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:56:35,269 INFO L93 Difference]: Finished difference Result 8850 states and 13676 transitions. [2023-04-01 07:56:35,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:56:35,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 420 [2023-04-01 07:56:35,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:56:35,435 INFO L225 Difference]: With dead ends: 8850 [2023-04-01 07:56:35,435 INFO L226 Difference]: Without dead ends: 5807 [2023-04-01 07:56:35,493 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 07:56:35,495 INFO L413 NwaCegarLoop]: 4441 mSDtfsCounter, 4228 mSDsluCounter, 4105 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4228 SdHoareTripleChecker+Valid, 8546 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-04-01 07:56:35,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4228 Valid, 8546 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-04-01 07:56:35,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5807 states. [2023-04-01 07:56:35,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5807 to 5803. [2023-04-01 07:56:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5803 states, 3680 states have (on average 1.3747282608695652) internal successors, (5059), 3872 states have internal predecessors, (5059), 1817 states have call successors, (1817), 307 states have call predecessors, (1817), 305 states have return successors, (1815), 1786 states have call predecessors, (1815), 1815 states have call successors, (1815) [2023-04-01 07:56:35,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5803 states to 5803 states and 8691 transitions. [2023-04-01 07:56:35,846 INFO L78 Accepts]: Start accepts. Automaton has 5803 states and 8691 transitions. Word has length 420 [2023-04-01 07:56:35,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:56:35,849 INFO L495 AbstractCegarLoop]: Abstraction has 5803 states and 8691 transitions. [2023-04-01 07:56:35,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-01 07:56:35,849 INFO L276 IsEmpty]: Start isEmpty. Operand 5803 states and 8691 transitions. [2023-04-01 07:56:35,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2023-04-01 07:56:35,855 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:56:35,856 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:35,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 07:56:35,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:56:35,856 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:56:35,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1474849914, now seen corresponding path program 1 times [2023-04-01 07:56:35,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:56:35,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730463396] [2023-04-01 07:56:35,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:56:35,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:56:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:56:36,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2023-04-01 07:56:36,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:56:36,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730463396] [2023-04-01 07:56:36,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730463396] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:56:36,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:56:36,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:56:36,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157541970] [2023-04-01 07:56:36,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:56:36,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:56:36,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:56:36,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:56:36,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:56:36,752 INFO L87 Difference]: Start difference. First operand 5803 states and 8691 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-01 07:56:41,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:56:42,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:56:42,225 INFO L93 Difference]: Finished difference Result 16723 states and 24975 transitions. [2023-04-01 07:56:42,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:56:42,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 421 [2023-04-01 07:56:42,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:56:42,283 INFO L225 Difference]: With dead ends: 16723 [2023-04-01 07:56:42,284 INFO L226 Difference]: Without dead ends: 11012 [2023-04-01 07:56:42,309 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 07:56:42,310 INFO L413 NwaCegarLoop]: 4807 mSDtfsCounter, 4185 mSDsluCounter, 4079 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4185 SdHoareTripleChecker+Valid, 8886 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-04-01 07:56:42,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4185 Valid, 8886 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 612 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2023-04-01 07:56:42,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11012 states. [2023-04-01 07:56:42,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11012 to 11007. [2023-04-01 07:56:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11007 states, 6968 states have (on average 1.3691159586681976) internal successors, (9540), 7352 states have internal predecessors, (9540), 3436 states have call successors, (3436), 604 states have call predecessors, (3436), 602 states have return successors, (3434), 3375 states have call predecessors, (3434), 3434 states have call successors, (3434) [2023-04-01 07:56:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11007 states to 11007 states and 16410 transitions. [2023-04-01 07:56:43,027 INFO L78 Accepts]: Start accepts. Automaton has 11007 states and 16410 transitions. Word has length 421 [2023-04-01 07:56:43,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:56:43,028 INFO L495 AbstractCegarLoop]: Abstraction has 11007 states and 16410 transitions. [2023-04-01 07:56:43,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-01 07:56:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 11007 states and 16410 transitions. [2023-04-01 07:56:43,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2023-04-01 07:56:43,033 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:56:43,034 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:43,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 07:56:43,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:56:43,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:56:43,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1533707745, now seen corresponding path program 1 times [2023-04-01 07:56:43,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:56:43,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51229325] [2023-04-01 07:56:43,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:56:43,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:56:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:56:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2023-04-01 07:56:43,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:56:43,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51229325] [2023-04-01 07:56:43,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51229325] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:56:43,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:56:43,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:56:43,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804250670] [2023-04-01 07:56:43,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:56:43,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:56:43,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:56:43,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:56:43,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:56:43,894 INFO L87 Difference]: Start difference. First operand 11007 states and 16410 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-01 07:56:47,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:56:47,445 INFO L93 Difference]: Finished difference Result 31821 states and 47282 transitions. [2023-04-01 07:56:47,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:56:47,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 423 [2023-04-01 07:56:47,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:56:47,526 INFO L225 Difference]: With dead ends: 31821 [2023-04-01 07:56:47,526 INFO L226 Difference]: Without dead ends: 20906 [2023-04-01 07:56:47,559 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 07:56:47,560 INFO L413 NwaCegarLoop]: 5199 mSDtfsCounter, 4167 mSDsluCounter, 4079 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4167 SdHoareTripleChecker+Valid, 9278 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-04-01 07:56:47,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4167 Valid, 9278 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-04-01 07:56:47,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20906 states. [2023-04-01 07:56:48,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20906 to 20899. [2023-04-01 07:56:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20899 states, 13192 states have (on average 1.3617343844754397) internal successors, (17964), 13960 states have internal predecessors, (17964), 6516 states have call successors, (6516), 1192 states have call predecessors, (6516), 1190 states have return successors, (6514), 6395 states have call predecessors, (6514), 6514 states have call successors, (6514) [2023-04-01 07:56:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20899 states to 20899 states and 30994 transitions. [2023-04-01 07:56:48,433 INFO L78 Accepts]: Start accepts. Automaton has 20899 states and 30994 transitions. Word has length 423 [2023-04-01 07:56:48,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:56:48,434 INFO L495 AbstractCegarLoop]: Abstraction has 20899 states and 30994 transitions. [2023-04-01 07:56:48,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-01 07:56:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 20899 states and 30994 transitions. [2023-04-01 07:56:48,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2023-04-01 07:56:48,438 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:56:48,439 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:48,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 07:56:48,439 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:56:48,439 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:56:48,440 INFO L85 PathProgramCache]: Analyzing trace with hash -502008466, now seen corresponding path program 1 times [2023-04-01 07:56:48,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:56:48,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920107293] [2023-04-01 07:56:48,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:56:48,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:56:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:56:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2023-04-01 07:56:49,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:56:49,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920107293] [2023-04-01 07:56:49,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920107293] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:56:49,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:56:49,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:56:49,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582749321] [2023-04-01 07:56:49,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:56:49,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:56:49,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:56:49,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:56:49,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:56:49,372 INFO L87 Difference]: Start difference. First operand 20899 states and 30994 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-01 07:56:52,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:56:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:56:55,758 INFO L93 Difference]: Finished difference Result 58461 states and 86488 transitions. [2023-04-01 07:56:55,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:56:55,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 424 [2023-04-01 07:56:55,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:56:55,924 INFO L225 Difference]: With dead ends: 58461 [2023-04-01 07:56:55,925 INFO L226 Difference]: Without dead ends: 37654 [2023-04-01 07:56:55,982 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 07:56:55,984 INFO L413 NwaCegarLoop]: 8205 mSDtfsCounter, 4150 mSDsluCounter, 4079 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4150 SdHoareTripleChecker+Valid, 12284 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-01 07:56:55,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4150 Valid, 12284 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 796 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-04-01 07:56:56,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37654 states. [2023-04-01 07:56:57,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37654 to 37651. [2023-04-01 07:56:57,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37651 states, 23725 states have (on average 1.3560379346680718) internal successors, (32172), 25158 states have internal predecessors, (32172), 11723 states have call successors, (11723), 2204 states have call predecessors, (11723), 2202 states have return successors, (11721), 11504 states have call predecessors, (11721), 11721 states have call successors, (11721) [2023-04-01 07:56:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37651 states to 37651 states and 55616 transitions. [2023-04-01 07:56:57,655 INFO L78 Accepts]: Start accepts. Automaton has 37651 states and 55616 transitions. Word has length 424 [2023-04-01 07:56:57,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:56:57,655 INFO L495 AbstractCegarLoop]: Abstraction has 37651 states and 55616 transitions. [2023-04-01 07:56:57,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-04-01 07:56:57,655 INFO L276 IsEmpty]: Start isEmpty. Operand 37651 states and 55616 transitions. [2023-04-01 07:56:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2023-04-01 07:56:57,664 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:56:57,664 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:57,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 07:56:57,664 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:56:57,665 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:56:57,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1355637241, now seen corresponding path program 1 times [2023-04-01 07:56:57,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:56:57,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949975028] [2023-04-01 07:56:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:56:57,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:56:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:56:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6428 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6426 trivial. 0 not checked. [2023-04-01 07:56:59,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:56:59,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949975028] [2023-04-01 07:56:59,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949975028] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:56:59,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:56:59,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:56:59,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158264972] [2023-04-01 07:56:59,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:56:59,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:56:59,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:56:59,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:56:59,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:56:59,616 INFO L87 Difference]: Start difference. First operand 37651 states and 55616 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-04-01 07:57:02,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-04-01 07:57:05,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:57:05,691 INFO L93 Difference]: Finished difference Result 93752 states and 138673 transitions. [2023-04-01 07:57:05,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:57:05,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (72), 2 states have call predecessors, (72), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 645 [2023-04-01 07:57:05,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:57:06,092 INFO L225 Difference]: With dead ends: 93752 [2023-04-01 07:57:06,092 INFO L226 Difference]: Without dead ends: 56206 [2023-04-01 07:57:06,198 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 07:57:06,198 INFO L413 NwaCegarLoop]: 4485 mSDtfsCounter, 4232 mSDsluCounter, 4161 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4232 SdHoareTripleChecker+Valid, 8646 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-04-01 07:57:06,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4232 Valid, 8646 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-04-01 07:57:06,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56206 states. [2023-04-01 07:57:08,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56206 to 56202. [2023-04-01 07:57:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56202 states, 35628 states have (on average 1.3505669697990346) internal successors, (48118), 37791 states have internal predecessors, (48118), 17261 states have call successors, (17261), 3314 states have call predecessors, (17261), 3312 states have return successors, (17259), 16926 states have call predecessors, (17259), 17259 states have call successors, (17259)