/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-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 03:41:14,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 03:41:14,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 03:41:14,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 03:41:14,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 03:41:14,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 03:41:14,388 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 03:41:14,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 03:41:14,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 03:41:14,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 03:41:14,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 03:41:14,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 03:41:14,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 03:41:14,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 03:41:14,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 03:41:14,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 03:41:14,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 03:41:14,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 03:41:14,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 03:41:14,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 03:41:14,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 03:41:14,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 03:41:14,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 03:41:14,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 03:41:14,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 03:41:14,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 03:41:14,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 03:41:14,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 03:41:14,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 03:41:14,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 03:41:14,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 03:41:14,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 03:41:14,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 03:41:14,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 03:41:14,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 03:41:14,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 03:41:14,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 03:41:14,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 03:41:14,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 03:41:14,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 03:41:14,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 03:41:14,424 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 [2023-04-03 03:41:14,449 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 03:41:14,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 03:41:14,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 03:41:14,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 03:41:14,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 03:41:14,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 03:41:14,450 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 03:41:14,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 03:41:14,450 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 03:41:14,450 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 03:41:14,450 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 03:41:14,451 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 03:41:14,451 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 03:41:14,451 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 03:41:14,451 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 03:41:14,451 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 03:41:14,451 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 03:41:14,451 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 03:41:14,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 03:41:14,451 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 03:41:14,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 03:41:14,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 03:41:14,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 03:41:14,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 03:41:14,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 03:41:14,455 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 03:41:14,455 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 03:41:14,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 03:41:14,456 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 03:41:14,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 03:41:14,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 03:41:14,456 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 03:41:14,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 03:41:14,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 03:41:14,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 03:41:14,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 03:41:14,643 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 03:41:14,643 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 03:41:14,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2023-04-03 03:41:15,587 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 03:41:15,930 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 03:41:15,930 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2023-04-03 03:41:15,953 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d86ca4e2/eff2265a5f564963be50c24c3cf31ee5/FLAG920ea8775 [2023-04-03 03:41:15,965 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d86ca4e2/eff2265a5f564963be50c24c3cf31ee5 [2023-04-03 03:41:15,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 03:41:15,968 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 03:41:15,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 03:41:15,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 03:41:15,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 03:41:15,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 03:41:15" (1/1) ... [2023-04-03 03:41:15,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1355f7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:15, skipping insertion in model container [2023-04-03 03:41:15,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 03:41:15" (1/1) ... [2023-04-03 03:41:15,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 03:41:16,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 03:41:17,134 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i[223543,223556] [2023-04-03 03:41:17,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 03:41:17,206 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 03:41:17,364 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i[223543,223556] [2023-04-03 03:41:17,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 03:41:17,421 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 03:41:17,426 INFO L208 MainTranslator]: Completed translation [2023-04-03 03:41:17,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17 WrapperNode [2023-04-03 03:41:17,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 03:41:17,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 03:41:17,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 03:41:17,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 03:41:17,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (1/1) ... [2023-04-03 03:41:17,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (1/1) ... [2023-04-03 03:41:17,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (1/1) ... [2023-04-03 03:41:17,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (1/1) ... [2023-04-03 03:41:17,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (1/1) ... [2023-04-03 03:41:17,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (1/1) ... [2023-04-03 03:41:17,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (1/1) ... [2023-04-03 03:41:17,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (1/1) ... [2023-04-03 03:41:17,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 03:41:17,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 03:41:17,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 03:41:17,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 03:41:17,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (1/1) ... [2023-04-03 03:41:17,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 03:41:17,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 03:41:17,658 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) [2023-04-03 03:41:17,665 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 [2023-04-03 03:41:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 03:41:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 03:41:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 03:41:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-03 03:41:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-03 03:41:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-03 03:41:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-04-03 03:41:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 03:41:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-03 03:41:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-03 03:41:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2023-04-03 03:41:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-03 03:41:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 03:41:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-03 03:41:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure device_private_init [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2023-04-03 03:41:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_validate_fw [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_download [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_firmware_attach [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_release [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_open [2023-04-03 03:41:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_close [2023-04-03 03:41:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write [2023-04-03 03:41:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_room [2023-04-03 03:41:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmget [2023-04-03 03:41:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_tiocmset [2023-04-03 03:41:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_ioctl [2023-04-03 03:41:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_set_termios [2023-04-03 03:41:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_break_ctl [2023-04-03 03:41:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_chars_in_buffer [2023-04-03 03:41:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_throttle [2023-04-03 03:41:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_unthrottle [2023-04-03 03:41:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_write_callback [2023-04-03 03:41:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure command_port_read_callback [2023-04-03 03:41:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_read_callback [2023-04-03 03:41:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_write_callback [2023-04-03 03:41:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2023-04-03 03:41:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_open [2023-04-03 03:41:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2023-04-03 03:41:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2023-04-03 03:41:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_rts [2023-04-03 03:41:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_dtr [2023-04-03 03:41:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_set_break [2023-04-03 03:41:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_purge [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_get_dtr_rts [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_report_tx_done [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure start_command_port [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure start_port_read [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_data_softint [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 03:41:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-04-03 03:41:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2023-04-03 03:41:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2023-04-03 03:41:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2023-04-03 03:41:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2023-04-03 03:41:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2023-04-03 03:41:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 03:41:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 03:41:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-04-03 03:41:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 03:41:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 03:41:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-03 03:41:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-04-03 03:41:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-03 03:41:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2023-04-03 03:41:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-04-03 03:41:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 03:41:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-04-03 03:41:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-04-03 03:41:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2023-04-03 03:41:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-04-03 03:41:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2023-04-03 03:41:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2023-04-03 03:41:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2023-04-03 03:41:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2023-04-03 03:41:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2023-04-03 03:41:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2023-04-03 03:41:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2023-04-03 03:41:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2023-04-03 03:41:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2023-04-03 03:41:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-04-03 03:41:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2023-04-03 03:41:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2023-04-03 03:41:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2023-04-03 03:41:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2023-04-03 03:41:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2023-04-03 03:41:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2023-04-03 03:41:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 03:41:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 03:41:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 03:41:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 03:41:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 03:41:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-03 03:41:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-04-03 03:41:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-04-03 03:41:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-03 03:41:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-04-03 03:41:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 03:41:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 03:41:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-03 03:41:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-04-03 03:41:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 03:41:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-04-03 03:41:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-04-03 03:41:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure device_private_init [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2023-04-03 03:41:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2023-04-03 03:41:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2023-04-03 03:41:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_validate_fw [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_download [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_firmware_attach [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_release [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_open [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_close [2023-04-03 03:41:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write [2023-04-03 03:41:17,722 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_room [2023-04-03 03:41:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_ioctl [2023-04-03 03:41:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_set_termios [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmget [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_tiocmset [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_break_ctl [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_chars_in_buffer [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_throttle [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_unthrottle [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_read_callback [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_write_callback [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure start_command_port [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_write_callback [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure command_port_read_callback [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure start_port_read [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2023-04-03 03:41:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure rx_data_softint [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_open [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_rts [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_dtr [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_set_break [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_purge [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_get_dtr_rts [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure firm_report_tx_done [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 03:41:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 03:41:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 03:41:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 03:41:17,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 03:41:18,171 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 03:41:18,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 03:41:18,413 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:41:18,420 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2023-04-03 03:41:18,421 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2023-04-03 03:41:18,429 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:41:18,600 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2023-04-03 03:41:18,600 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2023-04-03 03:41:19,023 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2023-04-03 03:41:19,701 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:41:19,738 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2023-04-03 03:41:19,738 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2023-04-03 03:41:19,881 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-04-03 03:41:19,986 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2023-04-03 03:41:19,986 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2023-04-03 03:41:20,283 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 03:41:20,965 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 03:41:20,965 INFO L302 CfgBuilder]: Removed 104 assume(true) statements. [2023-04-03 03:41:20,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 03:41:20 BoogieIcfgContainer [2023-04-03 03:41:20,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 03:41:20,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 03:41:20,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 03:41:20,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 03:41:20,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 03:41:15" (1/3) ... [2023-04-03 03:41:20,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c801a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 03:41:20, skipping insertion in model container [2023-04-03 03:41:20,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 03:41:17" (2/3) ... [2023-04-03 03:41:20,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69c801a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 03:41:20, skipping insertion in model container [2023-04-03 03:41:20,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 03:41:20" (3/3) ... [2023-04-03 03:41:20,976 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2023-04-03 03:41:20,988 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 03:41:20,988 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 03:41:21,051 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 03:41:21,056 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;@154af72b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 03:41:21,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 03:41:21,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 1334 states, 792 states have (on average 1.3446969696969697) internal successors, (1065), 835 states have internal predecessors, (1065), 407 states have call successors, (407), 128 states have call predecessors, (407), 127 states have return successors, (406), 395 states have call predecessors, (406), 406 states have call successors, (406) [2023-04-03 03:41:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-04-03 03:41:21,070 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:21,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:21,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:21,074 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash 569319471, now seen corresponding path program 1 times [2023-04-03 03:41:21,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:21,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356136871] [2023-04-03 03:41:21,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:21,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 03:41:21,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:21,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356136871] [2023-04-03 03:41:21,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356136871] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:21,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:21,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:41:21,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136913757] [2023-04-03 03:41:21,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:21,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:41:21,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:21,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:41:21,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:41:21,738 INFO L87 Difference]: Start difference. First operand has 1334 states, 792 states have (on average 1.3446969696969697) internal successors, (1065), 835 states have internal predecessors, (1065), 407 states have call successors, (407), 128 states have call predecessors, (407), 127 states have return successors, (406), 395 states have call predecessors, (406), 406 states have call successors, (406) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 03:41:22,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:22,518 INFO L93 Difference]: Finished difference Result 3682 states and 5332 transitions. [2023-04-03 03:41:22,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:41:22,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2023-04-03 03:41:22,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:22,547 INFO L225 Difference]: With dead ends: 3682 [2023-04-03 03:41:22,548 INFO L226 Difference]: Without dead ends: 2438 [2023-04-03 03:41:22,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:41:22,561 INFO L413 NwaCegarLoop]: 1529 mSDtfsCounter, 1610 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1610 SdHoareTripleChecker+Valid, 3002 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:22,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1610 Valid, 3002 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-03 03:41:22,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2438 states. [2023-04-03 03:41:22,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2438 to 2434. [2023-04-03 03:41:22,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 1442 states have (on average 1.2094313453536754) internal successors, (1744), 1496 states have internal predecessors, (1744), 753 states have call successors, (753), 243 states have call predecessors, (753), 238 states have return successors, (749), 727 states have call predecessors, (749), 747 states have call successors, (749) [2023-04-03 03:41:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 3246 transitions. [2023-04-03 03:41:22,700 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 3246 transitions. Word has length 24 [2023-04-03 03:41:22,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:22,700 INFO L495 AbstractCegarLoop]: Abstraction has 2434 states and 3246 transitions. [2023-04-03 03:41:22,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 03:41:22,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 3246 transitions. [2023-04-03 03:41:22,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-04-03 03:41:22,702 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:22,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:22,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 03:41:22,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:22,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:22,703 INFO L85 PathProgramCache]: Analyzing trace with hash 467918942, now seen corresponding path program 1 times [2023-04-03 03:41:22,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:22,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570422380] [2023-04-03 03:41:22,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:22,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 03:41:22,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:22,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570422380] [2023-04-03 03:41:22,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570422380] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:22,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:22,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:41:22,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818084296] [2023-04-03 03:41:22,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:22,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:41:22,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:22,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:41:22,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:41:22,898 INFO L87 Difference]: Start difference. First operand 2434 states and 3246 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 03:41:23,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:23,165 INFO L93 Difference]: Finished difference Result 2436 states and 3247 transitions. [2023-04-03 03:41:23,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:41:23,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2023-04-03 03:41:23,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:23,175 INFO L225 Difference]: With dead ends: 2436 [2023-04-03 03:41:23,175 INFO L226 Difference]: Without dead ends: 2422 [2023-04-03 03:41:23,176 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 [2023-04-03 03:41:23,177 INFO L413 NwaCegarLoop]: 1514 mSDtfsCounter, 1668 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 1515 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:23,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1668 Valid, 1515 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 03:41:23,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2023-04-03 03:41:23,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2422. [2023-04-03 03:41:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2422 states, 1438 states have (on average 1.2065368567454797) internal successors, (1735), 1490 states have internal predecessors, (1735), 747 states have call successors, (747), 240 states have call predecessors, (747), 236 states have return successors, (745), 723 states have call predecessors, (745), 743 states have call successors, (745) [2023-04-03 03:41:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2422 states and 3227 transitions. [2023-04-03 03:41:23,266 INFO L78 Accepts]: Start accepts. Automaton has 2422 states and 3227 transitions. Word has length 25 [2023-04-03 03:41:23,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:23,266 INFO L495 AbstractCegarLoop]: Abstraction has 2422 states and 3227 transitions. [2023-04-03 03:41:23,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-04-03 03:41:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 3227 transitions. [2023-04-03 03:41:23,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-04-03 03:41:23,273 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:23,273 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:23,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 03:41:23,274 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:23,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:23,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1216935310, now seen corresponding path program 1 times [2023-04-03 03:41:23,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:23,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138349312] [2023-04-03 03:41:23,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:23,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-03 03:41:23,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:23,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138349312] [2023-04-03 03:41:23,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138349312] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:23,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:23,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 03:41:23,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188191979] [2023-04-03 03:41:23,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:23,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 03:41:23,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:23,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 03:41:23,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 03:41:23,634 INFO L87 Difference]: Start difference. First operand 2422 states and 3227 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-03 03:41:24,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:24,099 INFO L93 Difference]: Finished difference Result 4914 states and 6602 transitions. [2023-04-03 03:41:24,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 03:41:24,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2023-04-03 03:41:24,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:24,111 INFO L225 Difference]: With dead ends: 4914 [2023-04-03 03:41:24,111 INFO L226 Difference]: Without dead ends: 2529 [2023-04-03 03:41:24,119 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 [2023-04-03 03:41:24,120 INFO L413 NwaCegarLoop]: 1510 mSDtfsCounter, 53 mSDsluCounter, 1495 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 3005 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:24,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 3005 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 03:41:24,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2529 states. [2023-04-03 03:41:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2529 to 2527. [2023-04-03 03:41:24,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2527 states, 1511 states have (on average 1.2243547319655856) internal successors, (1850), 1575 states have internal predecessors, (1850), 779 states have call successors, (779), 240 states have call predecessors, (779), 236 states have return successors, (778), 745 states have call predecessors, (778), 775 states have call successors, (778) [2023-04-03 03:41:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 3407 transitions. [2023-04-03 03:41:24,210 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 3407 transitions. Word has length 102 [2023-04-03 03:41:24,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:24,211 INFO L495 AbstractCegarLoop]: Abstraction has 2527 states and 3407 transitions. [2023-04-03 03:41:24,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-04-03 03:41:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3407 transitions. [2023-04-03 03:41:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-04-03 03:41:24,216 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:24,216 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:24,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 03:41:24,216 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:24,216 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:24,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1997835905, now seen corresponding path program 1 times [2023-04-03 03:41:24,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:24,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035909495] [2023-04-03 03:41:24,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:24,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:24,700 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-03 03:41:24,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:24,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035909495] [2023-04-03 03:41:24,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035909495] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:24,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:24,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 03:41:24,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573306214] [2023-04-03 03:41:24,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:24,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 03:41:24,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:24,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 03:41:24,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 03:41:24,702 INFO L87 Difference]: Start difference. First operand 2527 states and 3407 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 03:41:26,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:26,049 INFO L93 Difference]: Finished difference Result 3630 states and 4901 transitions. [2023-04-03 03:41:26,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-03 03:41:26,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 145 [2023-04-03 03:41:26,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:26,060 INFO L225 Difference]: With dead ends: 3630 [2023-04-03 03:41:26,060 INFO L226 Difference]: Without dead ends: 1141 [2023-04-03 03:41:26,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-04-03 03:41:26,076 INFO L413 NwaCegarLoop]: 1294 mSDtfsCounter, 9 mSDsluCounter, 3670 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 4964 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:26,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 4964 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-04-03 03:41:26,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-04-03 03:41:26,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1132. [2023-04-03 03:41:26,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 683 states have (on average 1.2269399707174231) internal successors, (838), 711 states have internal predecessors, (838), 341 states have call successors, (341), 109 states have call predecessors, (341), 107 states have return successors, (339), 325 states have call predecessors, (339), 339 states have call successors, (339) [2023-04-03 03:41:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1518 transitions. [2023-04-03 03:41:26,123 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1518 transitions. Word has length 145 [2023-04-03 03:41:26,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:26,123 INFO L495 AbstractCegarLoop]: Abstraction has 1132 states and 1518 transitions. [2023-04-03 03:41:26,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-04-03 03:41:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1518 transitions. [2023-04-03 03:41:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-03 03:41:26,128 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:26,128 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:26,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 03:41:26,128 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:26,128 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:26,128 INFO L85 PathProgramCache]: Analyzing trace with hash 867055715, now seen corresponding path program 1 times [2023-04-03 03:41:26,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:26,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695509705] [2023-04-03 03:41:26,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:26,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 03:41:26,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:26,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695509705] [2023-04-03 03:41:26,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695509705] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 03:41:26,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 03:41:26,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 03:41:26,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116791288] [2023-04-03 03:41:26,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 03:41:26,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 03:41:26,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 03:41:26,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 03:41:26,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 03:41:26,493 INFO L87 Difference]: Start difference. First operand 1132 states and 1518 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 03:41:27,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 03:41:27,071 INFO L93 Difference]: Finished difference Result 2237 states and 3008 transitions. [2023-04-03 03:41:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 03:41:27,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 146 [2023-04-03 03:41:27,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 03:41:27,077 INFO L225 Difference]: With dead ends: 2237 [2023-04-03 03:41:27,077 INFO L226 Difference]: Without dead ends: 1143 [2023-04-03 03:41:27,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-04-03 03:41:27,082 INFO L413 NwaCegarLoop]: 1291 mSDtfsCounter, 19 mSDsluCounter, 5117 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 6408 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 03:41:27,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 6408 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 03:41:27,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2023-04-03 03:41:27,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1137. [2023-04-03 03:41:27,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 686 states have (on average 1.2259475218658893) internal successors, (841), 714 states have internal predecessors, (841), 342 states have call successors, (342), 109 states have call predecessors, (342), 108 states have return successors, (341), 327 states have call predecessors, (341), 340 states have call successors, (341) [2023-04-03 03:41:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1524 transitions. [2023-04-03 03:41:27,123 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1524 transitions. Word has length 146 [2023-04-03 03:41:27,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 03:41:27,125 INFO L495 AbstractCegarLoop]: Abstraction has 1137 states and 1524 transitions. [2023-04-03 03:41:27,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2023-04-03 03:41:27,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1524 transitions. [2023-04-03 03:41:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-03 03:41:27,130 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 03:41:27,131 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 03:41:27,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 03:41:27,131 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 03:41:27,131 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 03:41:27,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1331070572, now seen corresponding path program 1 times [2023-04-03 03:41:27,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 03:41:27,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230700111] [2023-04-03 03:41:27,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:27,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 03:41:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 03:41:27,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 03:41:27,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230700111] [2023-04-03 03:41:27,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230700111] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 03:41:27,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828447962] [2023-04-03 03:41:27,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 03:41:27,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 03:41:27,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 03:41:27,422 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 03:41:27,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 03:41:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 03:41:28,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 3549 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 03:41:28,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 03:41:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-04-03 03:41:28,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 03:41:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-03 03:41:28,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828447962] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 03:41:28,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1487677311] [2023-04-03 03:41:28,538 INFO L159 IcfgInterpreter]: Started Sifa with 137 locations of interest [2023-04-03 03:41:28,538 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 03:41:28,541 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 03:41:28,544 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 03:41:28,544 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 03:41:50,981 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 211 for LOIs [2023-04-03 03:41:59,841 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 154 for LOIs [2023-04-03 03:42:13,982 WARN L223 SmtUtils]: Spent 13.78s on a formula simplification. DAG size of input: 5666 DAG size of output: 150 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:42:27,834 WARN L223 SmtUtils]: Spent 13.80s on a formula simplification. DAG size of input: 5666 DAG size of output: 150 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:42:48,859 WARN L223 SmtUtils]: Spent 20.24s on a formula simplification. DAG size of input: 6857 DAG size of output: 177 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:43:07,380 WARN L223 SmtUtils]: Spent 17.59s on a formula simplification. DAG size of input: 6352 DAG size of output: 169 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:43:25,025 WARN L223 SmtUtils]: Spent 17.59s on a formula simplification. DAG size of input: 6352 DAG size of output: 169 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:43:44,489 WARN L223 SmtUtils]: Spent 19.30s on a formula simplification. DAG size of input: 6723 DAG size of output: 194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:44:03,767 WARN L223 SmtUtils]: Spent 19.22s on a formula simplification. DAG size of input: 6723 DAG size of output: 194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:44:23,116 WARN L223 SmtUtils]: Spent 19.30s on a formula simplification. DAG size of input: 6723 DAG size of output: 194 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:44:41,751 WARN L223 SmtUtils]: Spent 18.39s on a formula simplification. DAG size of input: 6479 DAG size of output: 159 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:44:41,853 INFO L197 IcfgInterpreter]: Interpreting procedure whiteheat_init with input of size 131 for LOIs [2023-04-03 03:44:42,104 INFO L197 IcfgInterpreter]: Interpreting procedure usb_serial_register with input of size 135 for LOIs [2023-04-03 03:44:42,131 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_return_value with input of size 142 for LOIs [2023-04-03 03:44:42,152 INFO L197 IcfgInterpreter]: Interpreting procedure whiteheat_open with input of size 146 for LOIs [2023-04-03 03:44:42,583 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_initialize with input of size 131 for LOIs [2023-04-03 03:44:42,601 INFO L197 IcfgInterpreter]: Interpreting procedure start_command_port with input of size 155 for LOIs [2023-04-03 03:44:54,929 WARN L223 SmtUtils]: Spent 11.36s on a formula simplification. DAG size of input: 5285 DAG size of output: 172 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:45:06,347 WARN L223 SmtUtils]: Spent 11.38s on a formula simplification. DAG size of input: 5285 DAG size of output: 172 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 03:45:06,693 INFO L197 IcfgInterpreter]: Interpreting procedure dev_err with input of size 162 for LOIs [2023-04-03 03:45:06,731 INFO L197 IcfgInterpreter]: Interpreting procedure mutex_lock_nested with input of size 133 for LOIs [2023-04-03 03:45:06,757 INFO L197 IcfgInterpreter]: Interpreting procedure usb_submit_urb with input of size 180 for LOIs [2023-04-03 03:45:06,791 INFO L197 IcfgInterpreter]: Interpreting procedure usb_clear_halt with input of size 182 for LOIs [2023-04-03 03:45:06,824 INFO L197 IcfgInterpreter]: Interpreting procedure usb_get_serial_port_data with input of size 155 for LOIs [2023-04-03 03:45:07,130 INFO L197 IcfgInterpreter]: Interpreting procedure dev_get_drvdata with input of size 157 for LOIs [2023-04-03 03:45:07,218 INFO L197 IcfgInterpreter]: Interpreting procedure mutex_unlock with input of size 131 for LOIs [2023-04-03 03:45:07,237 INFO L180 IcfgInterpreter]: Interpretation finished