/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:33:17,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:33:17,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:33:17,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:33:17,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:33:17,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:33:17,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:33:17,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:33:17,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:33:17,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:33:17,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:33:17,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:33:17,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:33:17,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:33:17,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:33:17,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:33:17,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:33:17,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:33:17,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:33:17,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:33:17,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:33:17,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:33:17,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:33:17,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:33:17,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:33:17,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:33:17,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:33:17,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:33:17,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:33:17,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:33:17,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:33:17,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:33:17,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:33:17,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:33:17,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:33:17,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:33:17,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:33:17,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:33:17,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:33:17,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:33:17,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:33:17,736 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 [2022-12-05 20:33:17,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:33:17,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:33:17,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:33:17,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:33:17,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:33:17,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:33:17,767 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:33:17,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:33:17,768 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:33:17,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:33:17,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:33:17,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:33:17,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:33:17,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:33:17,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:33:17,769 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:33:17,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:33:17,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:33:17,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:33:17,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:33:17,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:33:17,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:33:17,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:33:17,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:33:17,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:33:17,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:33:17,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:33:17,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:33:17,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:33:17,771 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:33:17,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:33:18,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:33:18,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:33:18,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:33:18,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:33:18,074 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:33:18,075 INFO L432 ainManager$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_set.i [2022-12-05 20:33:19,033 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:33:19,468 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:33:19,468 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2022-12-05 20:33:19,507 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8213d4569/3c6785b843994a18b53c237076809eff/FLAGde4936042 [2022-12-05 20:33:19,523 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8213d4569/3c6785b843994a18b53c237076809eff [2022-12-05 20:33:19,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:33:19,526 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:33:19,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:33:19,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:33:19,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:33:19,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:33:19" (1/1) ... [2022-12-05 20:33:19,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b98bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:19, skipping insertion in model container [2022-12-05 20:33:19,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:33:19" (1/1) ... [2022-12-05 20:33:19,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:33:19,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:33:19,941 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_set.i[5469,5482] [2022-12-05 20:33:20,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,225 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,225 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,232 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,256 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,275 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:33:20,285 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:33:20,292 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:33:20,304 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:33:20,478 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:33:20,485 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:33:20,680 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:33:20,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,776 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,784 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:20,785 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:20,987 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:33:20,990 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:33:20,993 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:33:21,079 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:33:21,079 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:33:21,083 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:33:21,084 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:33:21,203 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:33:21,449 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:33:21,454 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:33:21,483 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:33:21,485 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:33:21,613 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:33:21,694 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:33:21,697 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:33:21,779 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:33:21,878 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:33:21,879 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:33:21,879 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:33:22,524 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:33:22,525 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:33:22,535 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:33:22,543 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:33:22,550 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:33:23,045 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:33:23,048 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:33:23,076 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:33:23,077 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:33:23,079 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:33:23,081 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:33:23,081 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:33:23,082 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:33:23,085 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:33:23,085 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:33:23,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:33:23,130 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:33:23,157 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_set.i[5469,5482] [2022-12-05 20:33:23,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,162 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,162 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,162 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,162 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,165 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:33:23,165 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:33:23,165 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:33:23,165 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:33:23,169 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:33:23,169 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:33:23,174 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:33:23,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,182 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:33:23,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:33:23,201 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:33:23,201 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:33:23,202 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:33:23,204 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:33:23,204 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:33:23,204 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:33:23,205 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:33:23,212 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:33:23,224 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:33:23,225 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:33:23,226 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:33:23,227 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:33:23,233 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:33:23,237 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:33:23,237 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:33:23,243 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:33:23,247 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:33:23,248 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:33:23,248 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:33:23,300 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:33:23,301 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:33:23,304 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:33:23,308 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:33:23,311 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:33:23,357 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:33:23,358 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:33:23,427 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:33:23,428 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:33:23,429 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:33:23,430 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:33:23,430 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:33:23,430 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:33:23,431 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:33:23,431 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:33:23,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:33:23,812 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:33:23,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23 WrapperNode [2022-12-05 20:33:23,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:33:23,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:33:23,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:33:23,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:33:23,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:23,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:23,985 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 58, statements flattened = 834 [2022-12-05 20:33:23,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:33:23,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:33:23,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:33:23,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:33:23,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:23,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:24,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:24,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:24,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:24,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:24,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:24,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:24,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:33:24,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:33:24,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:33:24,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:33:24,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (1/1) ... [2022-12-05 20:33:24,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:33:24,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:33:24,117 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) [2022-12-05 20:33:24,138 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 [2022-12-05 20:33:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:33:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 20:33:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:33:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 20:33:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-05 20:33:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-05 20:33:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:33:24,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:33:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 20:33:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:33:24,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-05 20:33:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:33:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:33:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 20:33:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-05 20:33:24,167 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-05 20:33:24,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:33:24,169 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:33:24,637 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:33:24,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:33:25,428 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:33:25,442 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:33:25,442 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2022-12-05 20:33:25,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:33:25 BoogieIcfgContainer [2022-12-05 20:33:25,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:33:25,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:33:25,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:33:25,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:33:25,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:33:19" (1/3) ... [2022-12-05 20:33:25,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52571e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:33:25, skipping insertion in model container [2022-12-05 20:33:25,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:33:23" (2/3) ... [2022-12-05 20:33:25,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52571e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:33:25, skipping insertion in model container [2022-12-05 20:33:25,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:33:25" (3/3) ... [2022-12-05 20:33:25,451 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2022-12-05 20:33:25,467 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:33:25,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-05 20:33:25,467 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:33:25,643 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 20:33:25,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 849 places, 923 transitions, 1862 flow [2022-12-05 20:33:25,977 INFO L130 PetriNetUnfolder]: 81/921 cut-off events. [2022-12-05 20:33:25,977 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:33:25,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 921 events. 81/921 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1804 event pairs, 0 based on Foata normal form. 0/836 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-05 20:33:25,987 INFO L82 GeneralOperation]: Start removeDead. Operand has 849 places, 923 transitions, 1862 flow [2022-12-05 20:33:25,997 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 839 places, 913 transitions, 1835 flow [2022-12-05 20:33:25,999 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:33:26,014 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 839 places, 913 transitions, 1835 flow [2022-12-05 20:33:26,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 839 places, 913 transitions, 1835 flow [2022-12-05 20:33:26,185 INFO L130 PetriNetUnfolder]: 81/913 cut-off events. [2022-12-05 20:33:26,186 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:33:26,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 913 events. 81/913 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1656 event pairs, 0 based on Foata normal form. 0/828 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-05 20:33:26,240 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 839 places, 913 transitions, 1835 flow [2022-12-05 20:33:26,240 INFO L188 LiptonReduction]: Number of co-enabled transitions 51768 [2022-12-05 20:33:26,467 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:26,468 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:26,670 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:26,670 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:27,204 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:27,205 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:27,207 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:27,208 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:27,911 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:27,912 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:27,914 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:27,915 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:27,918 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:27,919 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:27,921 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:27,922 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:30,149 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:30,150 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:30,510 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:30,511 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:30,512 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:30,513 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:31,740 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:31,741 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:31,898 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:31,899 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:31,901 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:31,902 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:32,133 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:32,134 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:32,136 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:32,136 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:32,376 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:32,377 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:32,378 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:32,378 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:35,824 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:35,824 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:35,825 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:35,826 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:37,320 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:37,320 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:37,322 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:37,323 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:37,832 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:37,833 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:37,834 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:37,834 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:40,084 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:40,085 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:40,087 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:40,087 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:40,089 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:40,090 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:40,092 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:40,092 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:45,303 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:45,304 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:45,952 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:45,953 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-05 20:33:45,956 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:45,957 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:46,846 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:46,847 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:46,848 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:46,849 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:49,604 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:49,605 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:49,606 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:49,607 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:51,852 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:51,854 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:51,855 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:51,856 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:55,169 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:55,170 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:33:55,173 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:55,173 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:57,881 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:57,883 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:33:57,886 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:57,886 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-05 20:33:57,892 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:57,893 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:00,715 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:00,715 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:00,717 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:00,717 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:00,719 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:00,719 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:00,721 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:00,722 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:00,854 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:00,855 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:00,857 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:00,858 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:02,454 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:02,455 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:02,458 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:02,459 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:10,493 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:10,494 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:10,496 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:10,497 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:19,875 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:19,879 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:34:19,882 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:19,883 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 20:34:19,886 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:19,887 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:34:19,889 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:19,890 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:34:19,892 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:19,893 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:30,720 WARN L233 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 477 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:34:36,035 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 477 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:34:43,123 WARN L233 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 477 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:34:50,123 WARN L233 SmtUtils]: Spent 7.00s on a formula simplification that was a NOOP. DAG size: 477 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:37:03,773 WARN L233 SmtUtils]: Spent 2.16m on a formula simplification. DAG size of input: 631 DAG size of output: 629 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:37:59,711 WARN L233 SmtUtils]: Spent 55.92s 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) [2022-12-05 20:39:07,584 WARN L233 SmtUtils]: Spent 1.13m on a formula simplification. DAG size of input: 631 DAG size of output: 629 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:39:37,665 WARN L233 SmtUtils]: Spent 30.06s 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) [2022-12-05 20:39:37,860 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:37,861 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:39:37,863 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:37,865 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:39:48,412 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:48,413 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:39:48,420 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:48,421 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:39:59,071 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:59,075 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:22,634 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:22,635 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:22,645 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:22,646 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:28,606 INFO L203 LiptonReduction]: Total number of compositions: 839 [2022-12-05 20:40:28,620 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:40:28,623 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;@194d764c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:40:28,624 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-05 20:40:28,631 INFO L130 PetriNetUnfolder]: 4/9 cut-off events. [2022-12-05 20:40:28,632 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:40:28,632 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:40:28,632 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-05 20:40:28,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 20:40:28,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:40:28,636 INFO L85 PathProgramCache]: Analyzing trace with hash 3585193, now seen corresponding path program 1 times [2022-12-05 20:40:28,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:40:28,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012134758] [2022-12-05 20:40:28,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:40:28,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:40:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:40:29,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:40:29,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:40:29,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012134758] [2022-12-05 20:40:29,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012134758] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:40:29,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:40:29,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:40:29,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171347965] [2022-12-05 20:40:29,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:40:29,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 20:40:29,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:40:29,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 20:40:29,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 20:40:29,194 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 114 [2022-12-05 20:40:29,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 114 transitions, 237 flow. Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-05 20:40:29,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:40:29,196 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 114 [2022-12-05 20:40:29,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:40:30,259 INFO L130 PetriNetUnfolder]: 3127/5351 cut-off events. [2022-12-05 20:40:30,259 INFO L131 PetriNetUnfolder]: For 75/75 co-relation queries the response was YES. [2022-12-05 20:40:30,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10800 conditions, 5351 events. 3127/5351 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 33737 event pairs, 3117 based on Foata normal form. 0/2381 useless extension candidates. Maximal degree in co-relation 10392. Up to 5352 conditions per place. [2022-12-05 20:40:30,275 INFO L137 encePairwiseOnDemand]: 92/114 looper letters, 92 selfloop transitions, 0 changer transitions 0/92 dead transitions. [2022-12-05 20:40:30,276 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 92 transitions, 377 flow [2022-12-05 20:40:30,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 20:40:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 20:40:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 114 transitions. [2022-12-05 20:40:30,287 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-05 20:40:30,288 INFO L175 Difference]: Start difference. First operand has 93 places, 114 transitions, 237 flow. Second operand 2 states and 114 transitions. [2022-12-05 20:40:30,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 92 transitions, 377 flow [2022-12-05 20:40:30,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 92 transitions, 372 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:40:30,296 INFO L231 Difference]: Finished difference. Result has 87 places, 92 transitions, 188 flow [2022-12-05 20:40:30,298 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=188, PETRI_PLACES=87, PETRI_TRANSITIONS=92} [2022-12-05 20:40:30,302 INFO L294 CegarLoopForPetriNet]: 93 programPoint places, -6 predicate places. [2022-12-05 20:40:30,302 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 92 transitions, 188 flow [2022-12-05 20:40:30,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-12-05 20:40:30,303 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:40:30,303 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:40:30,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:40:30,303 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 20:40:30,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:40:30,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1429439082, now seen corresponding path program 1 times [2022-12-05 20:40:30,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:40:30,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912380037] [2022-12-05 20:40:30,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:40:30,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:40:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:40:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:40:31,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:40:31,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912380037] [2022-12-05 20:40:31,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912380037] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:40:31,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:40:31,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:40:31,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490658606] [2022-12-05 20:40:31,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:40:31,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:40:31,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:40:31,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:40:31,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:40:31,409 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 114 [2022-12-05 20:40:31,410 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 92 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-05 20:40:31,410 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:40:31,410 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 114 [2022-12-05 20:40:31,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:40:32,574 INFO L130 PetriNetUnfolder]: 3127/5352 cut-off events. [2022-12-05 20:40:32,574 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-05 20:40:32,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10760 conditions, 5352 events. 3127/5352 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 33647 event pairs, 3117 based on Foata normal form. 0/2382 useless extension candidates. Maximal degree in co-relation 10757. Up to 5352 conditions per place. [2022-12-05 20:40:32,590 INFO L137 encePairwiseOnDemand]: 110/114 looper letters, 91 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2022-12-05 20:40:32,591 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 93 transitions, 376 flow [2022-12-05 20:40:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:40:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:40:32,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 95 transitions. [2022-12-05 20:40:32,594 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2777777777777778 [2022-12-05 20:40:32,594 INFO L175 Difference]: Start difference. First operand has 87 places, 92 transitions, 188 flow. Second operand 3 states and 95 transitions. [2022-12-05 20:40:32,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 93 transitions, 376 flow [2022-12-05 20:40:32,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 93 transitions, 376 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 20:40:32,598 INFO L231 Difference]: Finished difference. Result has 90 places, 93 transitions, 202 flow [2022-12-05 20:40:32,598 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=90, PETRI_TRANSITIONS=93} [2022-12-05 20:40:32,599 INFO L294 CegarLoopForPetriNet]: 93 programPoint places, -3 predicate places. [2022-12-05 20:40:32,599 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 93 transitions, 202 flow [2022-12-05 20:40:32,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-05 20:40:32,599 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:40:32,600 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:40:32,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:40:32,600 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 20:40:32,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:40:32,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1860766622, now seen corresponding path program 1 times [2022-12-05 20:40:32,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:40:32,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299650342] [2022-12-05 20:40:32,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:40:32,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:40:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:40:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:40:33,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:40:33,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299650342] [2022-12-05 20:40:33,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299650342] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:40:33,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587471851] [2022-12-05 20:40:33,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:40:33,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:40:33,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:40:33,340 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) [2022-12-05 20:40:33,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-05 20:40:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:40:33,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-05 20:40:33,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:40:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 20:40:34,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:40:34,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587471851] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:40:34,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:40:34,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-12-05 20:40:34,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892689448] [2022-12-05 20:40:34,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:40:34,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:40:34,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:40:34,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:40:34,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 20:40:34,668 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 114 [2022-12-05 20:40:34,669 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 93 transitions, 202 flow. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-05 20:40:34,669 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:40:34,669 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 114 [2022-12-05 20:40:34,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:40:36,088 INFO L130 PetriNetUnfolder]: 3183/5374 cut-off events. [2022-12-05 20:40:36,088 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-05 20:40:36,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10812 conditions, 5374 events. 3183/5374 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 32975 event pairs, 2977 based on Foata normal form. 0/2368 useless extension candidates. Maximal degree in co-relation 10807. Up to 5245 conditions per place. [2022-12-05 20:40:36,106 INFO L137 encePairwiseOnDemand]: 99/114 looper letters, 119 selfloop transitions, 14 changer transitions 0/133 dead transitions. [2022-12-05 20:40:36,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 133 transitions, 549 flow [2022-12-05 20:40:36,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:40:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:40:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 133 transitions. [2022-12-05 20:40:36,111 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3888888888888889 [2022-12-05 20:40:36,111 INFO L175 Difference]: Start difference. First operand has 90 places, 93 transitions, 202 flow. Second operand 3 states and 133 transitions. [2022-12-05 20:40:36,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 133 transitions, 549 flow [2022-12-05 20:40:36,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 133 transitions, 545 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-05 20:40:36,116 INFO L231 Difference]: Finished difference. Result has 92 places, 106 transitions, 294 flow [2022-12-05 20:40:36,116 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=294, PETRI_PLACES=92, PETRI_TRANSITIONS=106} [2022-12-05 20:40:36,117 INFO L294 CegarLoopForPetriNet]: 93 programPoint places, -1 predicate places. [2022-12-05 20:40:36,117 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 106 transitions, 294 flow [2022-12-05 20:40:36,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-05 20:40:36,117 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:40:36,117 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:40:36,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-05 20:40:36,325 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 [2022-12-05 20:40:36,325 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 20:40:36,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:40:36,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1638419433, now seen corresponding path program 1 times [2022-12-05 20:40:36,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:40:36,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551169336] [2022-12-05 20:40:36,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:40:36,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:40:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:40:37,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:40:37,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:40:37,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551169336] [2022-12-05 20:40:37,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551169336] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:40:37,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643874809] [2022-12-05 20:40:37,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:40:37,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:40:37,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:40:37,034 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 20:40:37,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-05 20:40:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:40:38,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-05 20:40:38,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:40:38,205 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-05 20:40:38,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 53 [2022-12-05 20:40:38,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-05 20:40:38,229 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-05 20:40:38,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2022-12-05 20:40:38,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 20:40:38,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:40:38,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643874809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:40:38,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:40:38,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2022-12-05 20:40:38,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449422692] [2022-12-05 20:40:38,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:40:38,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 20:40:38,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:40:38,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 20:40:38,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-05 20:40:38,263 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 114 [2022-12-05 20:40:38,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 106 transitions, 294 flow. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-05 20:40:38,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:40:38,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 114 [2022-12-05 20:40:38,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:40:40,458 INFO L130 PetriNetUnfolder]: 3728/6465 cut-off events. [2022-12-05 20:40:40,458 INFO L131 PetriNetUnfolder]: For 268/268 co-relation queries the response was YES. [2022-12-05 20:40:40,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14889 conditions, 6465 events. 3728/6465 cut-off events. For 268/268 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 41887 event pairs, 2952 based on Foata normal form. 0/3164 useless extension candidates. Maximal degree in co-relation 14883. Up to 4082 conditions per place. [2022-12-05 20:40:40,482 INFO L137 encePairwiseOnDemand]: 108/114 looper letters, 147 selfloop transitions, 8 changer transitions 134/289 dead transitions. [2022-12-05 20:40:40,482 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 289 transitions, 1430 flow [2022-12-05 20:40:40,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:40:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:40:40,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 265 transitions. [2022-12-05 20:40:40,485 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.38742690058479534 [2022-12-05 20:40:40,485 INFO L175 Difference]: Start difference. First operand has 92 places, 106 transitions, 294 flow. Second operand 6 states and 265 transitions. [2022-12-05 20:40:40,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 289 transitions, 1430 flow [2022-12-05 20:40:40,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 289 transitions, 1364 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 20:40:40,496 INFO L231 Difference]: Finished difference. Result has 99 places, 100 transitions, 286 flow [2022-12-05 20:40:40,496 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=286, PETRI_PLACES=99, PETRI_TRANSITIONS=100} [2022-12-05 20:40:40,497 INFO L294 CegarLoopForPetriNet]: 93 programPoint places, 6 predicate places. [2022-12-05 20:40:40,497 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 100 transitions, 286 flow [2022-12-05 20:40:40,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-05 20:40:40,498 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:40:40,498 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:40:40,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-05 20:40:40,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-05 20:40:40,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 20:40:40,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:40:40,707 INFO L85 PathProgramCache]: Analyzing trace with hash -748481215, now seen corresponding path program 1 times [2022-12-05 20:40:40,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:40:40,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55752243] [2022-12-05 20:40:40,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:40:40,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:40:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:40:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:40:41,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:40:41,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55752243] [2022-12-05 20:40:41,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55752243] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:40:41,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500956063] [2022-12-05 20:40:41,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:40:41,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:40:41,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:40:41,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 20:40:41,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-05 20:40:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:40:42,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 128 conjunts are in the unsatisfiable core [2022-12-05 20:40:42,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:40:42,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:40:42,822 INFO L217 Elim1Store]: Index analysis took 171 ms [2022-12-05 20:40:50,289 WARN L233 SmtUtils]: Spent 7.43s on a formula simplification. DAG size of input: 1141 DAG size of output: 355 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-05 20:40:50,292 INFO L321 Elim1Store]: treesize reduction 8185, result has 9.5 percent of original size [2022-12-05 20:40:50,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 34 case distinctions, treesize of input 134 treesize of output 918 [2022-12-05 20:41:22,700 INFO L321 Elim1Store]: treesize reduction 83, result has 27.2 percent of original size [2022-12-05 20:41:22,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 357 treesize of output 364 [2022-12-05 20:41:22,732 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-05 20:41:22,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 310 [2022-12-05 20:41:22,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 299 [2022-12-05 20:41:22,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 293 [2022-12-05 20:41:22,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 287 [2022-12-05 20:41:22,813 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-05 20:41:22,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-12-05 20:41:22,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-05 20:41:22,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-05 20:41:22,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2022-12-05 20:41:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 20:41:22,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:41:22,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500956063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:41:22,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:41:22,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3] total 9 [2022-12-05 20:41:22,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794750121] [2022-12-05 20:41:22,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:41:22,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-05 20:41:22,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:41:22,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-05 20:41:22,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-12-05 20:41:22,944 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 114 [2022-12-05 20:41:22,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 100 transitions, 286 flow. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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) [2022-12-05 20:41:22,945 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:41:22,945 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 114 [2022-12-05 20:41:22,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:41:25,522 INFO L130 PetriNetUnfolder]: 3552/6242 cut-off events. [2022-12-05 20:41:25,523 INFO L131 PetriNetUnfolder]: For 592/592 co-relation queries the response was YES. [2022-12-05 20:41:25,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14117 conditions, 6242 events. 3552/6242 cut-off events. For 592/592 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 40960 event pairs, 2643 based on Foata normal form. 79/3233 useless extension candidates. Maximal degree in co-relation 14108. Up to 4065 conditions per place. [2022-12-05 20:41:25,534 INFO L137 encePairwiseOnDemand]: 101/114 looper letters, 105 selfloop transitions, 17 changer transitions 112/234 dead transitions. [2022-12-05 20:41:25,535 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 234 transitions, 1130 flow [2022-12-05 20:41:25,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 20:41:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 20:41:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 229 transitions. [2022-12-05 20:41:25,537 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.25109649122807015 [2022-12-05 20:41:25,537 INFO L175 Difference]: Start difference. First operand has 99 places, 100 transitions, 286 flow. Second operand 8 states and 229 transitions. [2022-12-05 20:41:25,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 234 transitions, 1130 flow [2022-12-05 20:41:25,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 234 transitions, 1124 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 20:41:25,549 INFO L231 Difference]: Finished difference. Result has 107 places, 76 transitions, 276 flow [2022-12-05 20:41:25,549 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=276, PETRI_PLACES=107, PETRI_TRANSITIONS=76} [2022-12-05 20:41:25,550 INFO L294 CegarLoopForPetriNet]: 93 programPoint places, 14 predicate places. [2022-12-05 20:41:25,551 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 76 transitions, 276 flow [2022-12-05 20:41:25,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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) [2022-12-05 20:41:25,551 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:41:25,551 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:41:25,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-05 20:41:25,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:41:25,752 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 20:41:25,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:41:25,752 INFO L85 PathProgramCache]: Analyzing trace with hash 651857208, now seen corresponding path program 1 times [2022-12-05 20:41:25,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:41:25,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594972987] [2022-12-05 20:41:25,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:41:25,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:41:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:41:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:41:26,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:41:26,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594972987] [2022-12-05 20:41:26,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594972987] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:41:26,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201175387] [2022-12-05 20:41:26,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:41:26,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:41:26,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:41:26,352 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 20:41:26,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-05 20:41:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:41:27,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-05 20:41:27,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:41:27,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:41:27,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 20:41:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:41:27,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201175387] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 20:41:27,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 20:41:27,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-12-05 20:41:27,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357623951] [2022-12-05 20:41:27,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 20:41:27,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-05 20:41:27,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:41:27,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-05 20:41:27,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-12-05 20:41:27,647 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 114 [2022-12-05 20:41:27,647 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 76 transitions, 276 flow. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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) [2022-12-05 20:41:27,647 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:41:27,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 114 [2022-12-05 20:41:27,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:41:28,210 INFO L130 PetriNetUnfolder]: 1122/2035 cut-off events. [2022-12-05 20:41:28,211 INFO L131 PetriNetUnfolder]: For 1108/1108 co-relation queries the response was YES. [2022-12-05 20:41:28,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4940 conditions, 2035 events. 1122/2035 cut-off events. For 1108/1108 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 10228 event pairs, 1096 based on Foata normal form. 3/1532 useless extension candidates. Maximal degree in co-relation 4928. Up to 2030 conditions per place. [2022-12-05 20:41:28,220 INFO L137 encePairwiseOnDemand]: 106/114 looper letters, 73 selfloop transitions, 8 changer transitions 0/81 dead transitions. [2022-12-05 20:41:28,220 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 81 transitions, 454 flow [2022-12-05 20:41:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:41:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:41:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 81 transitions. [2022-12-05 20:41:28,226 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.11842105263157894 [2022-12-05 20:41:28,226 INFO L175 Difference]: Start difference. First operand has 107 places, 76 transitions, 276 flow. Second operand 6 states and 81 transitions. [2022-12-05 20:41:28,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 81 transitions, 454 flow [2022-12-05 20:41:28,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 81 transitions, 428 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-12-05 20:41:28,233 INFO L231 Difference]: Finished difference. Result has 84 places, 81 transitions, 316 flow [2022-12-05 20:41:28,233 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=316, PETRI_PLACES=84, PETRI_TRANSITIONS=81} [2022-12-05 20:41:28,235 INFO L294 CegarLoopForPetriNet]: 93 programPoint places, -9 predicate places. [2022-12-05 20:41:28,236 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 81 transitions, 316 flow [2022-12-05 20:41:28,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 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) [2022-12-05 20:41:28,236 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:41:28,236 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:41:28,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-05 20:41:28,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:41:28,443 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 20:41:28,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:41:28,444 INFO L85 PathProgramCache]: Analyzing trace with hash -345217232, now seen corresponding path program 2 times [2022-12-05 20:41:28,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:41:28,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476003930] [2022-12-05 20:41:28,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:41:28,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:41:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:41:29,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:41:29,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:41:29,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476003930] [2022-12-05 20:41:29,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476003930] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:41:29,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919440146] [2022-12-05 20:41:29,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-05 20:41:29,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:41:29,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:41:29,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 20:41:29,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-05 20:41:38,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-05 20:41:38,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-05 20:41:38,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-05 20:41:38,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:41:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:41:38,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 20:41:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:41:38,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919440146] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 20:41:38,453 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 20:41:38,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2022-12-05 20:41:38,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580376623] [2022-12-05 20:41:38,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 20:41:38,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-05 20:41:38,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:41:38,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-05 20:41:38,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2022-12-05 20:41:38,454 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 114 [2022-12-05 20:41:38,454 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 81 transitions, 316 flow. Second operand has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 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) [2022-12-05 20:41:38,454 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:41:38,455 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 114 [2022-12-05 20:41:38,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:41:41,133 INFO L130 PetriNetUnfolder]: 1122/2044 cut-off events. [2022-12-05 20:41:41,133 INFO L131 PetriNetUnfolder]: For 1008/1008 co-relation queries the response was YES. [2022-12-05 20:41:41,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4949 conditions, 2044 events. 1122/2044 cut-off events. For 1008/1008 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 10284 event pairs, 1096 based on Foata normal form. 9/1548 useless extension candidates. Maximal degree in co-relation 4934. Up to 2030 conditions per place. [2022-12-05 20:41:41,143 INFO L137 encePairwiseOnDemand]: 106/114 looper letters, 73 selfloop transitions, 17 changer transitions 0/90 dead transitions. [2022-12-05 20:41:41,143 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 90 transitions, 544 flow [2022-12-05 20:41:41,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-05 20:41:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-05 20:41:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 98 transitions. [2022-12-05 20:41:41,146 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.07163742690058479 [2022-12-05 20:41:41,146 INFO L175 Difference]: Start difference. First operand has 84 places, 81 transitions, 316 flow. Second operand 12 states and 98 transitions. [2022-12-05 20:41:41,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 90 transitions, 544 flow [2022-12-05 20:41:41,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 90 transitions, 534 flow, removed 4 selfloop flow, removed 1 redundant places. [2022-12-05 20:41:41,151 INFO L231 Difference]: Finished difference. Result has 100 places, 90 transitions, 450 flow [2022-12-05 20:41:41,151 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=450, PETRI_PLACES=100, PETRI_TRANSITIONS=90} [2022-12-05 20:41:41,152 INFO L294 CegarLoopForPetriNet]: 93 programPoint places, 7 predicate places. [2022-12-05 20:41:41,152 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 90 transitions, 450 flow [2022-12-05 20:41:41,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 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) [2022-12-05 20:41:41,152 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:41:41,152 INFO L213 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:41:41,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-05 20:41:41,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:41:41,365 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 20:41:41,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:41:41,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1352324560, now seen corresponding path program 3 times [2022-12-05 20:41:41,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:41:41,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665017070] [2022-12-05 20:41:41,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:41:41,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:41:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:41:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:41:42,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:41:42,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665017070] [2022-12-05 20:41:42,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665017070] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:41:42,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454813143] [2022-12-05 20:41:42,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-05 20:41:42,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:41:42,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:41:42,434 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 20:41:42,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-05 20:42:04,406 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-12-05 20:42:04,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-05 20:42:04,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-05 20:42:04,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:42:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:42:04,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 20:42:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:42:05,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454813143] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 20:42:05,274 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 20:42:05,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2022-12-05 20:42:05,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078118006] [2022-12-05 20:42:05,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 20:42:05,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-12-05 20:42:05,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:42:05,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-05 20:42:05,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=798, Unknown=0, NotChecked=0, Total=1122 [2022-12-05 20:42:05,276 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 114 [2022-12-05 20:42:05,276 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 90 transitions, 450 flow. Second operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 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) [2022-12-05 20:42:05,276 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:42:05,277 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 114 [2022-12-05 20:42:05,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:42:18,535 WARN L233 SmtUtils]: Spent 10.16s on a formula simplification. DAG size of input: 67 DAG size of output: 47 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-05 20:42:29,455 WARN L233 SmtUtils]: Spent 8.06s on a formula simplification. DAG size of input: 61 DAG size of output: 43 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-05 20:42:49,363 INFO L130 PetriNetUnfolder]: 1122/2062 cut-off events. [2022-12-05 20:42:49,364 INFO L131 PetriNetUnfolder]: For 1515/1515 co-relation queries the response was YES. [2022-12-05 20:42:49,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5083 conditions, 2062 events. 1122/2062 cut-off events. For 1515/1515 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 10389 event pairs, 1096 based on Foata normal form. 18/1575 useless extension candidates. Maximal degree in co-relation 5061. Up to 2025 conditions per place. [2022-12-05 20:42:49,373 INFO L137 encePairwiseOnDemand]: 106/114 looper letters, 69 selfloop transitions, 39 changer transitions 0/108 dead transitions. [2022-12-05 20:42:49,373 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 108 transitions, 798 flow [2022-12-05 20:42:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-05 20:42:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2022-12-05 20:42:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 134 transitions. [2022-12-05 20:42:49,377 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.047017543859649125 [2022-12-05 20:42:49,377 INFO L175 Difference]: Start difference. First operand has 100 places, 90 transitions, 450 flow. Second operand 25 states and 134 transitions. [2022-12-05 20:42:49,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 108 transitions, 798 flow [2022-12-05 20:42:49,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 108 transitions, 722 flow, removed 36 selfloop flow, removed 2 redundant places. [2022-12-05 20:42:49,385 INFO L231 Difference]: Finished difference. Result has 122 places, 108 transitions, 588 flow [2022-12-05 20:42:49,385 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=114, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=588, PETRI_PLACES=122, PETRI_TRANSITIONS=108} [2022-12-05 20:42:49,386 INFO L294 CegarLoopForPetriNet]: 93 programPoint places, 29 predicate places. [2022-12-05 20:42:49,386 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 108 transitions, 588 flow [2022-12-05 20:42:49,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 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) [2022-12-05 20:42:49,386 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:42:49,386 INFO L213 CegarLoopForPetriNet]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:42:49,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-05 20:42:49,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:42:49,599 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 20:42:49,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:42:49,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1449914416, now seen corresponding path program 4 times [2022-12-05 20:42:49,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:42:49,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646617343] [2022-12-05 20:42:49,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:42:49,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:42:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:42:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:42:53,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:42:53,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646617343] [2022-12-05 20:42:53,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646617343] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:42:53,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684859520] [2022-12-05 20:42:53,065 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-05 20:42:53,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:42:53,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:42:53,067 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 20:42:53,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-05 20:43:04,758 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-05 20:43:04,758 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-05 20:43:04,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1487 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-05 20:43:04,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:43:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:43:05,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 20:43:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:43:06,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684859520] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 20:43:06,313 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 20:43:06,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 53 [2022-12-05 20:43:06,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767918235] [2022-12-05 20:43:06,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 20:43:06,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-12-05 20:43:06,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:43:06,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-12-05 20:43:06,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=781, Invalid=2081, Unknown=0, NotChecked=0, Total=2862 [2022-12-05 20:43:06,315 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 114 [2022-12-05 20:43:06,316 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 108 transitions, 588 flow. Second operand has 54 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 53 states have internal predecessors, (66), 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) [2022-12-05 20:43:06,316 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:43:06,316 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 114 [2022-12-05 20:43:06,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:44:54,885 WARN L233 SmtUtils]: Spent 1.16m on a formula simplification that was a NOOP. DAG size: 95 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-05 20:46:36,128 WARN L233 SmtUtils]: Spent 1.18m on a formula simplification that was a NOOP. DAG size: 91 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-05 20:46:38,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Received shutdown request... [2022-12-05 20:46:56,195 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 [2022-12-05 20:46:56,195 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-05 20:46:56,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-05 20:46:56,386 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2022-12-05 20:46:56,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-05 20:46:56,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:46:56,587 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 56 known predicates. [2022-12-05 20:46:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2022-12-05 20:46:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2022-12-05 20:46:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2022-12-05 20:46:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2022-12-05 20:46:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2022-12-05 20:46:56,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2022-12-05 20:46:56,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2022-12-05 20:46:56,589 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2022-12-05 20:46:56,589 INFO L458 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2022-12-05 20:46:56,593 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:46:56,593 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:46:56,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:46:56 BasicIcfg [2022-12-05 20:46:56,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:46:56,595 INFO L158 Benchmark]: Toolchain (without parser) took 817069.13ms. Allocated memory was 173.0MB in the beginning and 766.5MB in the end (delta: 593.5MB). Free memory was 137.9MB in the beginning and 410.6MB in the end (delta: -272.7MB). Peak memory consumption was 322.4MB. Max. memory is 8.0GB. [2022-12-05 20:46:56,595 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:46:56,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4284.39ms. Allocated memory was 173.0MB in the beginning and 207.6MB in the end (delta: 34.6MB). Free memory was 137.9MB in the beginning and 78.4MB in the end (delta: 59.6MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. [2022-12-05 20:46:56,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.34ms. Allocated memory is still 207.6MB. Free memory was 78.4MB in the beginning and 142.7MB in the end (delta: -64.3MB). Peak memory consumption was 2.3MB. Max. memory is 8.0GB. [2022-12-05 20:46:56,596 INFO L158 Benchmark]: Boogie Preprocessor took 98.37ms. Allocated memory is still 207.6MB. Free memory was 142.7MB in the beginning and 136.9MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-05 20:46:56,596 INFO L158 Benchmark]: RCFGBuilder took 1360.02ms. Allocated memory is still 207.6MB. Free memory was 136.4MB in the beginning and 65.1MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. [2022-12-05 20:46:56,596 INFO L158 Benchmark]: TraceAbstraction took 811147.96ms. Allocated memory was 207.6MB in the beginning and 766.5MB in the end (delta: 558.9MB). Free memory was 64.5MB in the beginning and 410.6MB in the end (delta: -346.0MB). Peak memory consumption was 213.4MB. Max. memory is 8.0GB. [2022-12-05 20:46:56,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4284.39ms. Allocated memory was 173.0MB in the beginning and 207.6MB in the end (delta: 34.6MB). Free memory was 137.9MB in the beginning and 78.4MB in the end (delta: 59.6MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 172.34ms. Allocated memory is still 207.6MB. Free memory was 78.4MB in the beginning and 142.7MB in the end (delta: -64.3MB). Peak memory consumption was 2.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.37ms. Allocated memory is still 207.6MB. Free memory was 142.7MB in the beginning and 136.9MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1360.02ms. Allocated memory is still 207.6MB. Free memory was 136.4MB in the beginning and 65.1MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. * TraceAbstraction took 811147.96ms. Allocated memory was 207.6MB in the beginning and 766.5MB in the end (delta: 558.9MB). Free memory was 64.5MB in the beginning and 410.6MB in the end (delta: -346.0MB). Peak memory consumption was 213.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 422.4s, 839 PlacesBefore, 93 PlacesAfterwards, 913 TransitionsBefore, 114 TransitionsAfterwards, 51768 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 258 ConcurrentYvCompositions, 39 ChoiceCompositions, 839 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49150, independent: 49005, independent conditional: 49005, independent unconditional: 0, dependent: 145, dependent conditional: 145, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 49150, independent: 49005, independent conditional: 0, independent unconditional: 49005, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49150, independent: 49005, independent conditional: 0, independent unconditional: 49005, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49150, independent: 49005, independent conditional: 0, independent unconditional: 49005, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35018, independent: 34949, independent conditional: 0, independent unconditional: 34949, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35018, independent: 34909, independent conditional: 0, independent unconditional: 34909, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, independent: 43, independent conditional: 0, independent unconditional: 43, dependent: 226, dependent conditional: 0, dependent unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49150, independent: 14056, independent conditional: 0, independent unconditional: 14056, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 35018, unknown conditional: 0, unknown unconditional: 35018] , Statistics on independence cache: Total cache size (in pairs): 97540, Positive cache size: 97471, Positive conditional cache size: 0, Positive unconditional cache size: 97471, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69, 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 PredicateComparison was comparing new predicate (quantifier-free) to 56 known predicates. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 56 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 56 known predicates. - 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 PredicateComparison was comparing new predicate (quantifier-free) to 56 known predicates. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 56 known predicates. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 56 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1119 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: 810.9s, OverallIterations: 9, TraceHistogramMax: 22, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 286.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 422.9s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 536 SdHoareTripleChecker+Valid, 20.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 536 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 19.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 243 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4642 IncrementalHoareTripleChecker+Invalid, 4886 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 243 mSolverCounterUnsat, 0 mSDtfsCounter, 4642 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 133 SyntacticMatches, 3 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 246.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=588occurred in iteration=8, InterpolantAutomatonStates: 65, 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: 0.5s SsaConstructionTime, 47.8s SatisfiabilityAnalysisTime, 49.1s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 323 ConstructedInterpolants, 1 QuantifiedInterpolants, 2445 SizeOfPredicates, 114 NumberOfNonLiveVariables, 8387 ConjunctsInSsa, 275 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 3/963 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