/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-RepeatedSemanticLbeWithPredicates.epf -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 [2022-12-13 09:41:36,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:41:36,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:41:36,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:41:36,998 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:41:37,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:41:37,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:41:37,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:41:37,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:41:37,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:41:37,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:41:37,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:41:37,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:41:37,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:41:37,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:41:37,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:41:37,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:41:37,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:41:37,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:41:37,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:41:37,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:41:37,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:41:37,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:41:37,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:41:37,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:41:37,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:41:37,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:41:37,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:41:37,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:41:37,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:41:37,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:41:37,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:41:37,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:41:37,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:41:37,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:41:37,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:41:37,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:41:37,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:41:37,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:41:37,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:41:37,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:41:37,052 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-13 09:41:37,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:41:37,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:41:37,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:41:37,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:41:37,076 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:41:37,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:41:37,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:41:37,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:41:37,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:41:37,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:41:37,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:41:37,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:41:37,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:41:37,078 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:41:37,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:41:37,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:41:37,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:41:37,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:41:37,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:41:37,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 09:41:37,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:41:37,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:41:37,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:41:37,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:41:37,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:41:37,079 INFO L138 SettingsManager]: * Use conditional commutativity for large block encoding in concurrent analysis=CONDITIONAL_CONJUNCTIVE [2022-12-13 09:41:37,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:41:37,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:41:37,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 09:41:37,080 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 09:41:37,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:41:37,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:41:37,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:41:37,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:41:37,381 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:41:37,382 INFO L432 ainManager$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 [2022-12-13 09:41:38,385 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:41:38,782 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:41:38,782 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2022-12-13 09:41:38,811 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edad7ac7/c5289634ab4e4390980e6370108c9daf/FLAGa4ae52ad6 [2022-12-13 09:41:38,826 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edad7ac7/c5289634ab4e4390980e6370108c9daf [2022-12-13 09:41:38,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:41:38,832 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 09:41:38,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:41:38,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:41:38,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:41:38,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:41:38" (1/1) ... [2022-12-13 09:41:38,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64218fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:38, skipping insertion in model container [2022-12-13 09:41:38,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:41:38" (1/1) ... [2022-12-13 09:41:38,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:41:38,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:41:39,225 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] [2022-12-13 09:41:39,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:39,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:39,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:39,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:39,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:39,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:39,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,541 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:39,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:39,558 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 09:41:39,564 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 09:41:39,570 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 09:41:39,582 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 09:41:39,734 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 09:41:39,741 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 09:41:39,893 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 09:41:39,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:39,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:39,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:40,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:40,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:40,207 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 09:41:40,211 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 09:41:40,216 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 09:41:40,329 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 09:41:40,329 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 09:41:40,334 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 09:41:40,335 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 09:41:40,600 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 09:41:41,294 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 09:41:41,305 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 09:41:41,399 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 09:41:41,405 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 09:41:41,839 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 09:41:42,123 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 09:41:42,128 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 09:41:42,396 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 09:41:42,701 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 09:41:42,701 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 09:41:42,701 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 09:41:44,004 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 09:41:44,005 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 09:41:44,007 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 09:41:44,009 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 09:41:44,011 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 09:41:44,425 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 09:41:44,425 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 09:41:44,453 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 09:41:44,453 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 09:41:44,454 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 09:41:44,456 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 09:41:44,456 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 09:41:44,456 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 09:41:44,459 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 09:41:44,460 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 09:41:44,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:41:44,506 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:41:44,525 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] [2022-12-13 09:41:44,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,535 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 09:41:44,535 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 09:41:44,536 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 09:41:44,536 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 09:41:44,539 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 09:41:44,540 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 09:41:44,543 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 09:41:44,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:41:44,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:41:44,563 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 09:41:44,563 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 09:41:44,563 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 09:41:44,567 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 09:41:44,568 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 09:41:44,568 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 09:41:44,568 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 09:41:44,574 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 09:41:44,584 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 09:41:44,586 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 09:41:44,587 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 09:41:44,587 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 09:41:44,593 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 09:41:44,597 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 09:41:44,597 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 09:41:44,601 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 09:41:44,604 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 09:41:44,605 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 09:41:44,605 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 09:41:44,657 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 09:41:44,657 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 09:41:44,659 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 09:41:44,665 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 09:41:44,669 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 09:41:44,708 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 09:41:44,708 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 09:41:44,712 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 09:41:44,712 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 09:41:44,713 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 09:41:44,736 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 09:41:44,736 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 09:41:44,736 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 09:41:44,737 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 09:41:44,737 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 09:41:44,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:41:45,050 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:41:45,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45 WrapperNode [2022-12-13 09:41:45,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:41:45,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:41:45,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:41:45,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:41:45,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,189 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 778 [2022-12-13 09:41:45,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:41:45,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:41:45,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:41:45,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:41:45,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,241 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:41:45,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:41:45,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:41:45,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:41:45,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (1/1) ... [2022-12-13 09:41:45,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:41:45,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 09:41:45,337 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) [2022-12-13 09:41:45,385 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 [2022-12-13 09:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:41:45,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 09:41:45,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:41:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-13 09:41:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-13 09:41:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:41:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 09:41:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:41:45,413 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 09:41:45,867 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 09:41:45,868 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:41:46,566 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 09:41:46,575 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:41:46,575 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2022-12-13 09:41:46,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:41:46 BoogieIcfgContainer [2022-12-13 09:41:46,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:41:46,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:41:46,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:41:46,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:41:46,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:41:38" (1/3) ... [2022-12-13 09:41:46,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9dc6804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:41:46, skipping insertion in model container [2022-12-13 09:41:46,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:41:45" (2/3) ... [2022-12-13 09:41:46,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9dc6804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:41:46, skipping insertion in model container [2022-12-13 09:41:46,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:41:46" (3/3) ... [2022-12-13 09:41:46,582 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2022-12-13 09:41:46,595 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:41:46,595 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 09:41:46,595 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:41:46,675 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 09:41:46,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 797 places, 862 transitions, 1740 flow [2022-12-13 09:41:46,871 INFO L130 PetriNetUnfolder]: 72/860 cut-off events. [2022-12-13 09:41:46,871 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 09:41:46,880 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. [2022-12-13 09:41:46,880 INFO L82 GeneralOperation]: Start removeDead. Operand has 797 places, 862 transitions, 1740 flow [2022-12-13 09:41:46,888 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 787 places, 852 transitions, 1713 flow [2022-12-13 09:41:46,890 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:41:46,900 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 852 transitions, 1713 flow [2022-12-13 09:41:46,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 787 places, 852 transitions, 1713 flow [2022-12-13 09:41:47,067 INFO L130 PetriNetUnfolder]: 72/852 cut-off events. [2022-12-13 09:41:47,067 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 09:41:47,071 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. [2022-12-13 09:41:47,086 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 852 transitions, 1713 flow [2022-12-13 09:41:47,086 INFO L226 LiptonReduction]: Number of co-enabled transitions 27612 [2022-12-13 09:42:49,435 WARN L233 SmtUtils]: Spent 5.68s 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) [2022-12-13 09:42:55,096 WARN L233 SmtUtils]: Spent 5.63s 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) [2022-12-13 09:43:00,582 WARN L233 SmtUtils]: Spent 5.47s 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) [2022-12-13 09:43:15,161 WARN L233 SmtUtils]: Spent 6.07s 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) [2022-12-13 09:43:22,387 WARN L233 SmtUtils]: Spent 7.22s 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) [2022-12-13 09:43:30,998 WARN L233 SmtUtils]: Spent 8.61s 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) [2022-12-13 09:43:38,980 WARN L233 SmtUtils]: Spent 7.97s 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) [2022-12-13 09:43:46,140 WARN L233 SmtUtils]: Spent 6.82s 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) [2022-12-13 09:43:53,067 WARN L233 SmtUtils]: Spent 6.93s 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) [2022-12-13 09:45:00,032 WARN L233 SmtUtils]: Spent 56.35s 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) [2022-12-13 09:45:36,361 WARN L233 SmtUtils]: Spent 36.32s 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) [2022-12-13 09:46:30,811 WARN L233 SmtUtils]: Spent 54.45s 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) [2022-12-13 09:46:58,410 WARN L233 SmtUtils]: Spent 27.59s 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) [2022-12-13 09:49:10,440 WARN L233 SmtUtils]: Spent 2.20m 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) [2022-12-13 09:50:17,610 WARN L233 SmtUtils]: Spent 1.12m 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) [2022-12-13 09:51:20,347 WARN L233 SmtUtils]: Spent 1.05m 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) [2022-12-13 09:51:51,277 WARN L233 SmtUtils]: Spent 30.93s 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) [2022-12-13 09:56:13,531 INFO L241 LiptonReduction]: Total number of compositions: 805 [2022-12-13 09:56:13,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 09:56:13,573 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=REPEATED_LIPTON_PN, 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;@280f9361, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_CONJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:56:13,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-13 09:56:13,580 INFO L130 PetriNetUnfolder]: 2/6 cut-off events. [2022-12-13 09:56:13,580 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:56:13,580 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:56:13,581 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 09:56:13,581 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)] === [2022-12-13 09:56:13,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:56:13,586 INFO L85 PathProgramCache]: Analyzing trace with hash 3527711, now seen corresponding path program 1 times [2022-12-13 09:56:13,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:56:13,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904303936] [2022-12-13 09:56:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:56:13,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:56:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:56:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:56:13,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:56:13,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904303936] [2022-12-13 09:56:13,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904303936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:56:13,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:56:13,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 09:56:13,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727696212] [2022-12-13 09:56:13,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:56:13,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 09:56:13,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:56:13,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 09:56:13,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 09:56:13,991 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 267 [2022-12-13 09:56:13,992 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) [2022-12-13 09:56:13,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:56:13,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 267 [2022-12-13 09:56:13,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2022-12-13 09:56:16,070 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 [2022-12-13 09:56:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:56:16,082 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2022-12-13 09:56:16,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:56:16,082 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (2states, 6/267 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 16192 conditions, 8057 events (6469/8056 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6418. Compared 46740 event pairs, 6461 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 16140. Up to 8023 conditions per place.). [2022-12-13 09:56:16,083 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2022-12-13 09:56:16,083 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2022-12-13 09:56:16,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2022-12-13 09:56:16,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2022-12-13 09:56:16,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2022-12-13 09:56:16,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2022-12-13 09:56:16,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2022-12-13 09:56:16,084 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2022-12-13 09:56:16,084 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 09:56:16,088 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 09:56:16,088 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 09:56:16,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:56:16 BasicIcfg [2022-12-13 09:56:16,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 09:56:16,091 INFO L158 Benchmark]: Toolchain (without parser) took 877259.65ms. Allocated memory was 183.5MB in the beginning and 625.0MB in the end (delta: 441.5MB). Free memory was 132.8MB in the beginning and 350.6MB in the end (delta: -217.8MB). Peak memory consumption was 416.6MB. Max. memory is 8.0GB. [2022-12-13 09:56:16,092 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 09:56:16,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6217.41ms. Allocated memory was 183.5MB in the beginning and 299.9MB in the end (delta: 116.4MB). Free memory was 132.3MB in the beginning and 207.4MB in the end (delta: -75.1MB). Peak memory consumption was 121.5MB. Max. memory is 8.0GB. [2022-12-13 09:56:16,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.00ms. Allocated memory is still 299.9MB. Free memory was 207.4MB in the beginning and 195.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-13 09:56:16,094 INFO L158 Benchmark]: Boogie Preprocessor took 66.79ms. Allocated memory is still 299.9MB. Free memory was 195.9MB in the beginning and 190.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-13 09:56:16,095 INFO L158 Benchmark]: RCFGBuilder took 1319.83ms. Allocated memory is still 299.9MB. Free memory was 190.1MB in the beginning and 224.3MB in the end (delta: -34.3MB). Peak memory consumption was 62.2MB. Max. memory is 8.0GB. [2022-12-13 09:56:16,095 INFO L158 Benchmark]: TraceAbstraction took 869512.56ms. Allocated memory was 299.9MB in the beginning and 625.0MB in the end (delta: 325.1MB). Free memory was 223.3MB in the beginning and 350.6MB in the end (delta: -127.3MB). Peak memory consumption was 390.1MB. Max. memory is 8.0GB. [2022-12-13 09:56:16,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 160.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6217.41ms. Allocated memory was 183.5MB in the beginning and 299.9MB in the end (delta: 116.4MB). Free memory was 132.3MB in the beginning and 207.4MB in the end (delta: -75.1MB). Peak memory consumption was 121.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 138.00ms. Allocated memory is still 299.9MB. Free memory was 207.4MB in the beginning and 195.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.79ms. Allocated memory is still 299.9MB. Free memory was 195.9MB in the beginning and 190.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1319.83ms. Allocated memory is still 299.9MB. Free memory was 190.1MB in the beginning and 224.3MB in the end (delta: -34.3MB). Peak memory consumption was 62.2MB. Max. memory is 8.0GB. * TraceAbstraction took 869512.56ms. Allocated memory was 299.9MB in the beginning and 625.0MB in the end (delta: 325.1MB). Free memory was 223.3MB in the beginning and 350.6MB in the end (delta: -127.3MB). Peak memory consumption was 390.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 866.4s, 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: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31349, independent: 31297, independent conditional: 0, independent unconditional: 31297, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31349, independent: 31297, independent conditional: 0, independent unconditional: 31297, 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: 31349, independent: 31297, independent conditional: 0, independent unconditional: 31297, 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: 190, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 190, dependent conditional: 0, dependent unconditional: 190, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72968, independent: 41546, independent conditional: 41546, independent unconditional: 0, dependent: 73, dependent conditional: 73, dependent unconditional: 0, unknown: 31349, unknown conditional: 31349, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31961, Positive cache size: 31909, Positive conditional cache size: 31909, Positive unconditional cache size: 0, Negative cache size: 52, Negative conditional cache size: 52, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (2states, 6/267 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 16192 conditions, 8057 events (6469/8056 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6418. Compared 46740 event pairs, 6461 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 16140. Up to 8023 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (2states, 6/267 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 16192 conditions, 8057 events (6469/8056 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6418. Compared 46740 event pairs, 6461 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 16140. Up to 8023 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 CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (2states, 6/267 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 16192 conditions, 8057 events (6469/8056 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6418. Compared 46740 event pairs, 6461 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 16140. Up to 8023 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 CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (2states, 6/267 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 16192 conditions, 8057 events (6469/8056 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6418. Compared 46740 event pairs, 6461 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 16140. Up to 8023 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (2states, 6/267 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 16192 conditions, 8057 events (6469/8056 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6418. Compared 46740 event pairs, 6461 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 16140. Up to 8023 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (2states, 6/267 universal loopers) in iteration 1,while PetriNetUnfolder was constructing finite prefix that currently has 16192 conditions, 8057 events (6469/8056 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 6418. Compared 46740 event pairs, 6461 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 16140. Up to 8023 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: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 869.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 866.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=543occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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