/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 21:46:02,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 21:46:02,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 21:46:02,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 21:46:02,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 21:46:02,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 21:46:02,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 21:46:02,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 21:46:02,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 21:46:02,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 21:46:02,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 21:46:02,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 21:46:02,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 21:46:02,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 21:46:02,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 21:46:02,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 21:46:02,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 21:46:02,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 21:46:02,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 21:46:02,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 21:46:02,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 21:46:02,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 21:46:02,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 21:46:02,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 21:46:02,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 21:46:02,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 21:46:02,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 21:46:02,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 21:46:02,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 21:46:02,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 21:46:02,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 21:46:02,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 21:46:02,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 21:46:02,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 21:46:02,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 21:46:02,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 21:46:02,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 21:46:02,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 21:46:02,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 21:46:02,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 21:46:02,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 21:46:02,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-12 21:46:02,471 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 21:46:02,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 21:46:02,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 21:46:02,472 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 21:46:02,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 21:46:02,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 21:46:02,473 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 21:46:02,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 21:46:02,474 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 21:46:02,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 21:46:02,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 21:46:02,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 21:46:02,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 21:46:02,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 21:46:02,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 21:46:02,475 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 21:46:02,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 21:46:02,475 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 21:46:02,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 21:46:02,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 21:46:02,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 21:46:02,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 21:46:02,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 21:46:02,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 21:46:02,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 21:46:02,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 21:46:02,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 21:46:02,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 21:46:02,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 21:46:02,476 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 21:46:02,476 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-12 21:46:02,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 21:46:02,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 21:46:02,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 21:46:02,773 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 21:46:02,773 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 21:46:02,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2022-12-12 21:46:03,762 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 21:46:04,171 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 21:46:04,172 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2022-12-12 21:46:04,212 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576b964cd/21ffc72b4321447cac858219cc778c41/FLAG58d6f1b00 [2022-12-12 21:46:04,223 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/576b964cd/21ffc72b4321447cac858219cc778c41 [2022-12-12 21:46:04,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 21:46:04,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 21:46:04,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 21:46:04,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 21:46:04,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 21:46:04,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 09:46:04" (1/1) ... [2022-12-12 21:46:04,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600a1101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:04, skipping insertion in model container [2022-12-12 21:46:04,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 09:46:04" (1/1) ... [2022-12-12 21:46:04,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 21:46:04,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 21:46:04,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i[5469,5482] [2022-12-12 21:46:04,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:04,842 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:04,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:04,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:04,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:04,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:04,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:04,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:04,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:04,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:04,870 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:04,870 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:04,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:04,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:04,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:04,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:04,891 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 21:46:04,896 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:46:04,900 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:46:04,908 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:46:05,005 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:46:05,010 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:46:05,129 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 21:46:05,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:05,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:05,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:05,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:05,220 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:05,220 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:05,425 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 21:46:05,429 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 21:46:05,433 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 21:46:05,551 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 21:46:05,551 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:46:05,555 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 21:46:05,555 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:46:05,767 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 21:46:06,274 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:46:06,284 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:46:06,343 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 21:46:06,348 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 21:46:06,644 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 21:46:06,819 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 21:46:06,824 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 21:46:07,026 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 21:46:07,232 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 21:46:07,233 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 21:46:07,233 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 21:46:08,173 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 21:46:08,173 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:46:08,176 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:46:08,179 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:46:08,187 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:46:08,600 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 21:46:08,603 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 21:46:08,627 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 21:46:08,628 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 21:46:08,628 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 21:46:08,629 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 21:46:08,629 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 21:46:08,629 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 21:46:08,631 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 21:46:08,632 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 21:46:08,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 21:46:08,690 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 21:46:08,715 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i[5469,5482] [2022-12-12 21:46:08,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,722 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,722 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 21:46:08,722 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:46:08,722 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:46:08,723 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:46:08,726 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:46:08,726 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:46:08,731 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 21:46:08,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,739 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:46:08,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:46:08,752 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 21:46:08,752 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 21:46:08,752 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 21:46:08,755 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 21:46:08,755 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:46:08,756 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 21:46:08,756 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:46:08,761 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 21:46:08,770 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:46:08,771 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:46:08,772 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 21:46:08,773 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 21:46:08,778 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 21:46:08,782 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 21:46:08,782 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 21:46:08,785 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 21:46:08,788 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 21:46:08,788 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 21:46:08,788 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 21:46:08,841 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 21:46:08,841 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:46:08,881 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:46:08,885 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:46:08,887 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:46:08,920 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 21:46:08,920 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 21:46:08,925 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 21:46:08,925 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 21:46:08,926 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 21:46:08,927 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 21:46:08,927 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 21:46:08,927 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 21:46:08,927 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 21:46:08,928 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 21:46:08,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 21:46:09,342 INFO L208 MainTranslator]: Completed translation [2022-12-12 21:46:09,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09 WrapperNode [2022-12-12 21:46:09,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 21:46:09,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 21:46:09,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 21:46:09,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 21:46:09,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,458 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 778 [2022-12-12 21:46:09,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 21:46:09,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 21:46:09,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 21:46:09,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 21:46:09,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,491 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 21:46:09,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 21:46:09,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 21:46:09,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 21:46:09,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (1/1) ... [2022-12-12 21:46:09,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 21:46:09,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 21:46:09,540 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) [2022-12-12 21:46:09,545 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 [2022-12-12 21:46:09,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 21:46:09,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 21:46:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 21:46:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-12 21:46:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-12 21:46:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-12 21:46:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-12 21:46:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-12 21:46:09,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 21:46:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 21:46:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-12 21:46:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 21:46:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-12 21:46:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 21:46:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 21:46:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-12 21:46:09,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 21:46:09,572 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 21:46:09,940 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 21:46:09,941 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 21:46:10,547 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 21:46:10,558 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 21:46:10,558 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2022-12-12 21:46:10,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 09:46:10 BoogieIcfgContainer [2022-12-12 21:46:10,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 21:46:10,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 21:46:10,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 21:46:10,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 21:46:10,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 09:46:04" (1/3) ... [2022-12-12 21:46:10,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cc55c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 09:46:10, skipping insertion in model container [2022-12-12 21:46:10,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:46:09" (2/3) ... [2022-12-12 21:46:10,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cc55c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 09:46:10, skipping insertion in model container [2022-12-12 21:46:10,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 09:46:10" (3/3) ... [2022-12-12 21:46:10,565 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2022-12-12 21:46:10,576 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 21:46:10,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-12 21:46:10,577 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 21:46:10,668 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 21:46:10,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 797 places, 862 transitions, 1740 flow [2022-12-12 21:46:10,940 INFO L130 PetriNetUnfolder]: 72/860 cut-off events. [2022-12-12 21:46:10,941 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 21:46:10,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 860 events. 72/860 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1458 event pairs, 0 based on Foata normal form. 0/784 useless extension candidates. Maximal degree in co-relation 658. Up to 9 conditions per place. [2022-12-12 21:46:10,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 797 places, 862 transitions, 1740 flow [2022-12-12 21:46:10,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 787 places, 852 transitions, 1713 flow [2022-12-12 21:46:10,962 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 21:46:10,973 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 852 transitions, 1713 flow [2022-12-12 21:46:10,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 787 places, 852 transitions, 1713 flow [2022-12-12 21:46:11,067 INFO L130 PetriNetUnfolder]: 72/852 cut-off events. [2022-12-12 21:46:11,067 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-12 21:46:11,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 852 events. 72/852 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1362 event pairs, 0 based on Foata normal form. 0/776 useless extension candidates. Maximal degree in co-relation 658. Up to 9 conditions per place. [2022-12-12 21:46:11,082 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 852 transitions, 1713 flow [2022-12-12 21:46:11,082 INFO L226 LiptonReduction]: Number of co-enabled transitions 27612 [2022-12-12 21:47:08,949 WARN L233 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 411 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:14,021 WARN L233 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 371 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:33,074 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 405 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:39,980 WARN L233 SmtUtils]: Spent 6.90s on a formula simplification that was a NOOP. DAG size: 389 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:48,256 WARN L233 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 405 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:55,972 WARN L233 SmtUtils]: Spent 7.70s on a formula simplification that was a NOOP. DAG size: 389 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:48:02,988 WARN L233 SmtUtils]: Spent 6.67s on a formula simplification that was a NOOP. DAG size: 432 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:48:09,755 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 432 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:49:13,775 WARN L233 SmtUtils]: Spent 53.77s on a formula simplification that was a NOOP. DAG size: 580 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:49:48,787 WARN L233 SmtUtils]: Spent 35.00s on a formula simplification that was a NOOP. DAG size: 532 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:50:42,082 WARN L233 SmtUtils]: Spent 53.29s on a formula simplification that was a NOOP. DAG size: 580 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:51:09,094 WARN L233 SmtUtils]: Spent 27.00s on a formula simplification that was a NOOP. DAG size: 532 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:53:14,915 WARN L233 SmtUtils]: Spent 2.10m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:54:20,291 WARN L233 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:55:21,171 WARN L233 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:55:51,196 WARN L233 SmtUtils]: Spent 30.02s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 22:00:08,058 INFO L241 LiptonReduction]: Total number of compositions: 805 [2022-12-12 22:00:08,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 22:00:08,078 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1797b80d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 22:00:08,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-12 22:00:08,084 INFO L130 PetriNetUnfolder]: 2/6 cut-off events. [2022-12-12 22:00:08,084 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 22:00:08,084 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:00:08,085 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-12 22:00:08,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-12 22:00:08,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:00:08,089 INFO L85 PathProgramCache]: Analyzing trace with hash 3527711, now seen corresponding path program 1 times [2022-12-12 22:00:08,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:00:08,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253874394] [2022-12-12 22:00:08,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:00:08,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:00:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:00:08,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 22:00:08,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 22:00:08,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253874394] [2022-12-12 22:00:08,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253874394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 22:00:08,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 22:00:08,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 22:00:08,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145998509] [2022-12-12 22:00:08,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 22:00:08,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-12 22:00:08,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 22:00:08,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-12 22:00:08,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-12 22:00:08,556 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 267 [2022-12-12 22:00:08,557 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 267 transitions, 543 flow. Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 22:00:08,557 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 22:00:08,557 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 267 [2022-12-12 22:00:08,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 22:00:16,478 INFO L130 PetriNetUnfolder]: 43152/69882 cut-off events. [2022-12-12 22:00:16,478 INFO L131 PetriNetUnfolder]: For 357/357 co-relation queries the response was YES. [2022-12-12 22:00:16,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139830 conditions, 69882 events. 43152/69882 cut-off events. For 357/357 co-relation queries the response was YES. Maximal size of possible extension queue 9526. Compared 662561 event pairs, 43142 based on Foata normal form. 0/10915 useless extension candidates. Maximal degree in co-relation 138195. Up to 69675 conditions per place. [2022-12-12 22:00:16,590 INFO L137 encePairwiseOnDemand]: 250/267 looper letters, 244 selfloop transitions, 0 changer transitions 0/250 dead transitions. [2022-12-12 22:00:16,590 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 250 transitions, 997 flow [2022-12-12 22:00:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-12 22:00:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-12 22:00:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 273 transitions. [2022-12-12 22:00:16,605 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5112359550561798 [2022-12-12 22:00:16,610 INFO L295 CegarLoopForPetriNet]: 253 programPoint places, -5 predicate places. [2022-12-12 22:00:16,610 INFO L82 GeneralOperation]: Start removeDead. Operand has 248 places, 250 transitions, 997 flow [2022-12-12 22:00:16,667 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 248 places, 250 transitions, 997 flow [2022-12-12 22:00:16,668 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 250 transitions, 997 flow [2022-12-12 22:00:16,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 22:00:16,668 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:00:16,668 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-12 22:00:16,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 22:00:16,669 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-12 22:00:16,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:00:16,669 INFO L85 PathProgramCache]: Analyzing trace with hash -906115475, now seen corresponding path program 1 times [2022-12-12 22:00:16,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:00:16,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781150200] [2022-12-12 22:00:16,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:00:16,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:00:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:00:17,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 22:00:17,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 22:00:17,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781150200] [2022-12-12 22:00:17,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781150200] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 22:00:17,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 22:00:17,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 22:00:17,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824676523] [2022-12-12 22:00:17,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 22:00:17,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 22:00:17,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 22:00:17,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 22:00:17,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 22:00:17,154 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 267 [2022-12-12 22:00:17,154 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 250 transitions, 997 flow. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 22:00:17,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 22:00:17,155 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 267 [2022-12-12 22:00:17,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 22:00:25,695 INFO L130 PetriNetUnfolder]: 43152/69883 cut-off events. [2022-12-12 22:00:25,695 INFO L131 PetriNetUnfolder]: For 531/531 co-relation queries the response was YES. [2022-12-12 22:00:25,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209508 conditions, 69883 events. 43152/69883 cut-off events. For 531/531 co-relation queries the response was YES. Maximal size of possible extension queue 9579. Compared 663301 event pairs, 43142 based on Foata normal form. 0/10916 useless extension candidates. Maximal degree in co-relation 207208. Up to 69676 conditions per place. [2022-12-12 22:00:25,797 INFO L137 encePairwiseOnDemand]: 263/267 looper letters, 243 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2022-12-12 22:00:25,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 251 transitions, 1491 flow [2022-12-12 22:00:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 22:00:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 22:00:25,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions. [2022-12-12 22:00:25,799 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.33083645443196 [2022-12-12 22:00:25,799 INFO L295 CegarLoopForPetriNet]: 253 programPoint places, -3 predicate places. [2022-12-12 22:00:25,800 INFO L82 GeneralOperation]: Start removeDead. Operand has 250 places, 251 transitions, 1491 flow [2022-12-12 22:00:25,850 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 250 places, 251 transitions, 1491 flow [2022-12-12 22:00:25,851 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 251 transitions, 1491 flow [2022-12-12 22:00:25,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 22:00:25,851 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:00:25,851 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-12 22:00:25,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 22:00:25,851 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-12 22:00:25,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:00:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1582026056, now seen corresponding path program 1 times [2022-12-12 22:00:25,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:00:25,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233492002] [2022-12-12 22:00:25,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:00:25,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:00:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:00:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 22:00:26,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 22:00:26,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233492002] [2022-12-12 22:00:26,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233492002] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 22:00:26,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072161073] [2022-12-12 22:00:26,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:00:26,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 22:00:26,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 22:00:26,509 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) [2022-12-12 22:00:26,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-12 22:00:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:00:26,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-12 22:00:26,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 22:00:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 22:00:26,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 22:00:26,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072161073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 22:00:26,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 22:00:26,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-12-12 22:00:26,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089411724] [2022-12-12 22:00:26,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 22:00:26,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 22:00:26,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 22:00:26,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 22:00:26,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-12 22:00:26,984 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 267 [2022-12-12 22:00:26,984 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 251 transitions, 1491 flow. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 22:00:26,984 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 22:00:26,984 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 267 [2022-12-12 22:00:26,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2022-12-12 22:00:34,175 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-12 22:00:34,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 22:00:34,185 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2022-12-12 22:00:34,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-12 22:00:34,199 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-12 22:00:34,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 22:00:34,394 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (3states, 5/267 universal loopers) in iteration 3,while PetriNetUnfolder was constructing finite prefix that currently has 147612 conditions, 36997 events (28504/36996 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 12172. Compared 272593 event pairs, 12897 based on Foata normal form. 0/7038 useless extension candidates. Maximal degree in co-relation 147508. Up to 36753 conditions per place.). [2022-12-12 22:00:34,395 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2022-12-12 22:00:34,395 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2022-12-12 22:00:34,395 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2022-12-12 22:00:34,395 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-12-12 22:00:34,396 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2022-12-12 22:00:34,396 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2022-12-12 22:00:34,396 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2022-12-12 22:00:34,396 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2022-12-12 22:00:34,396 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-12 22:00:34,399 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 22:00:34,399 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 22:00:34,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 10:00:34 BasicIcfg [2022-12-12 22:00:34,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 22:00:34,401 INFO L158 Benchmark]: Toolchain (without parser) took 870175.54ms. Allocated memory was 175.1MB in the beginning and 5.0GB in the end (delta: 4.9GB). Free memory was 128.8MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2022-12-12 22:00:34,401 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 22:00:34,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5116.14ms. Allocated memory was 175.1MB in the beginning and 240.1MB in the end (delta: 65.0MB). Free memory was 128.5MB in the beginning and 149.8MB in the end (delta: -21.3MB). Peak memory consumption was 119.8MB. Max. memory is 8.0GB. [2022-12-12 22:00:34,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.22ms. Allocated memory is still 240.1MB. Free memory was 149.8MB in the beginning and 137.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-12 22:00:34,402 INFO L158 Benchmark]: Boogie Preprocessor took 40.94ms. Allocated memory is still 240.1MB. Free memory was 137.8MB in the beginning and 132.0MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-12 22:00:34,402 INFO L158 Benchmark]: RCFGBuilder took 1060.10ms. Allocated memory is still 240.1MB. Free memory was 132.0MB in the beginning and 142.5MB in the end (delta: -10.5MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-12-12 22:00:34,402 INFO L158 Benchmark]: TraceAbstraction took 863839.03ms. Allocated memory was 240.1MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 140.9MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2022-12-12 22:00:34,404 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 175.1MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5116.14ms. Allocated memory was 175.1MB in the beginning and 240.1MB in the end (delta: 65.0MB). Free memory was 128.5MB in the beginning and 149.8MB in the end (delta: -21.3MB). Peak memory consumption was 119.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 114.22ms. Allocated memory is still 240.1MB. Free memory was 149.8MB in the beginning and 137.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.94ms. Allocated memory is still 240.1MB. Free memory was 137.8MB in the beginning and 132.0MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1060.10ms. Allocated memory is still 240.1MB. Free memory was 132.0MB in the beginning and 142.5MB in the end (delta: -10.5MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * TraceAbstraction took 863839.03ms. Allocated memory was 240.1MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 140.9MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 837.0s, 787 PlacesBefore, 253 PlacesAfterwards, 852 TransitionsBefore, 267 TransitionsAfterwards, 27612 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 218 ConcurrentYvCompositions, 52 ChoiceCompositions, 805 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72968, independent: 72843, independent conditional: 72843, independent unconditional: 0, dependent: 125, dependent conditional: 125, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 72968, independent: 72843, independent conditional: 0, independent unconditional: 72843, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 72968, independent: 72843, independent conditional: 0, independent unconditional: 72843, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 72968, independent: 72843, independent conditional: 0, independent unconditional: 72843, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26530, independent: 26478, independent conditional: 0, independent unconditional: 26478, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26530, independent: 26478, independent conditional: 0, independent unconditional: 26478, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 202, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 202, dependent conditional: 0, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72968, independent: 46365, independent conditional: 0, independent unconditional: 46365, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 26530, unknown conditional: 0, unknown unconditional: 26530] , Statistics on independence cache: Total cache size (in pairs): 149757, Positive cache size: 149705, Positive conditional cache size: 0, Positive unconditional cache size: 149705, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (3states, 5/267 universal loopers) in iteration 3,while PetriNetUnfolder was constructing finite prefix that currently has 147612 conditions, 36997 events (28504/36996 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 12172. Compared 272593 event pairs, 12897 based on Foata normal form. 0/7038 useless extension candidates. Maximal degree in co-relation 147508. Up to 36753 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (3states, 5/267 universal loopers) in iteration 3,while PetriNetUnfolder was constructing finite prefix that currently has 147612 conditions, 36997 events (28504/36996 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 12172. Compared 272593 event pairs, 12897 based on Foata normal form. 0/7038 useless extension candidates. Maximal degree in co-relation 147508. Up to 36753 conditions per place.). - TimeoutResultAtElement [Line: 7069]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (3states, 5/267 universal loopers) in iteration 3,while PetriNetUnfolder was constructing finite prefix that currently has 147612 conditions, 36997 events (28504/36996 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 12172. Compared 272593 event pairs, 12897 based on Foata normal form. 0/7038 useless extension candidates. Maximal degree in co-relation 147508. Up to 36753 conditions per place.). - TimeoutResultAtElement [Line: 7068]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (3states, 5/267 universal loopers) in iteration 3,while PetriNetUnfolder was constructing finite prefix that currently has 147612 conditions, 36997 events (28504/36996 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 12172. Compared 272593 event pairs, 12897 based on Foata normal form. 0/7038 useless extension candidates. Maximal degree in co-relation 147508. Up to 36753 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (3states, 5/267 universal loopers) in iteration 3,while PetriNetUnfolder was constructing finite prefix that currently has 147612 conditions, 36997 events (28504/36996 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 12172. Compared 272593 event pairs, 12897 based on Foata normal form. 0/7038 useless extension candidates. Maximal degree in co-relation 147508. Up to 36753 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (3states, 5/267 universal loopers) in iteration 3,while PetriNetUnfolder was constructing finite prefix that currently has 147612 conditions, 36997 events (28504/36996 cut-off events. For 315/315 co-relation queries the response was YES. Maximal size of possible extension queue 12172. Compared 272593 event pairs, 12897 based on Foata normal form. 0/7038 useless extension candidates. Maximal degree in co-relation 147508. Up to 36753 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1015 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.1s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 863.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 837.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1344 IncrementalHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 1344 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1491occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1062 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown