/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 18:44:37,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:44:37,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:44:37,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:44:37,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:44:37,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:44:37,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:44:37,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:44:37,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:44:37,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:44:37,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:44:37,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:44:37,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:44:37,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:44:37,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:44:37,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:44:37,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:44:37,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:44:37,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:44:37,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:44:37,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:44:37,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:44:37,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:44:37,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:44:37,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 18:44:37,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 18:44:37,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 18:44:37,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 18:44:37,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 18:44:37,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 18:44:37,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 18:44:37,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 18:44:37,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 18:44:37,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 18:44:37,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 18:44:37,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 18:44:37,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 18:44:37,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 18:44:37,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:44:37,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:44:37,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:44:37,562 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-NoLbe.epf [2022-12-05 18:44:37,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:44:37,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:44:37,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:44:37,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:44:37,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:44:37,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:44:37,589 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:44:37,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:44:37,589 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:44:37,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:44:37,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:44:37,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:44:37,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:44:37,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:44:37,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:44:37,590 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:44:37,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:44:37,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:44:37,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:44:37,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:44:37,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:44:37,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:44:37,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:44:37,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:44:37,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:44:37,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:44:37,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:44:37,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:44:37,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:44:37,591 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:44:37,591 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:44:37,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:44:37,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:44:37,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:44:37,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:44:37,867 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:44:37,871 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:44:37,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-05 18:44:38,790 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:44:39,192 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:44:39,193 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-05 18:44:39,224 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f1d7bac9/8dd3849fbee645b38db6d6fe250317dd/FLAG71712cb5a [2022-12-05 18:44:39,239 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f1d7bac9/8dd3849fbee645b38db6d6fe250317dd [2022-12-05 18:44:39,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:44:39,242 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:44:39,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:44:39,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:44:39,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:44:39,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:44:39" (1/1) ... [2022-12-05 18:44:39,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef78fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:39, skipping insertion in model container [2022-12-05 18:44:39,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:44:39" (1/1) ... [2022-12-05 18:44:39,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:44:39,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:44:39,586 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_get_pc8736x_gpio_set.i[5469,5482] [2022-12-05 18:44:39,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:39,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:39,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:39,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:39,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:39,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:39,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:39,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:39,876 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:39,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:39,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:39,882 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:39,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:39,887 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:39,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:39,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:39,902 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:44:39,908 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:39,914 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:39,923 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:40,060 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:44:40,067 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:44:40,256 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:44:40,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:40,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:40,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:40,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:40,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:40,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:40,634 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:44:40,637 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:44:40,640 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:44:40,781 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:44:40,782 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:44:40,786 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:44:40,787 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:44:40,971 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:44:41,562 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:44:41,571 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:44:41,645 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:44:41,648 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:44:41,827 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:44:42,043 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:44:42,049 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:44:42,181 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:44:42,354 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:44:42,355 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:44:42,355 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:44:43,326 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:44:43,326 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:43,331 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:43,336 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:43,341 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:43,877 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:44:43,878 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:44:43,914 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 18:44:43,914 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 18:44:43,915 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 18:44:43,916 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:44:43,916 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 18:44:43,917 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 18:44:43,921 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:44:43,921 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 18:44:43,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:44:43,961 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:44:43,977 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_get_pc8736x_gpio_set.i[5469,5482] [2022-12-05 18:44:43,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:43,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:43,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:43,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:43,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:43,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:43,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:43,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:43,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:43,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:43,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:43,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:43,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:43,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:43,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:43,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:43,985 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:44:43,985 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:43,985 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:43,986 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:43,989 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:44:43,989 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:44:43,991 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:44:43,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:43,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:43,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:44,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:44,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:44,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:44,041 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:44:44,041 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:44:44,042 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:44:44,044 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:44:44,044 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:44:44,044 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:44:44,044 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:44:44,049 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:44:44,057 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:44:44,058 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:44:44,059 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:44:44,060 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:44:44,064 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:44:44,067 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:44:44,068 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:44:44,070 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:44:44,072 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:44:44,072 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:44:44,073 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:44:44,113 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:44:44,113 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:44,117 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:44,121 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:44,124 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:44,155 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:44:44,156 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:44:44,160 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 18:44:44,160 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 18:44:44,161 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 18:44:44,162 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:44:44,162 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 18:44:44,163 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 18:44:44,163 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:44:44,164 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 18:44:44,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:44:44,525 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:44:44,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44 WrapperNode [2022-12-05 18:44:44,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:44:44,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:44:44,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:44:44,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:44:44,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,687 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 721 [2022-12-05 18:44:44,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:44:44,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:44:44,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:44:44,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:44:44,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,762 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:44:44,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:44:44,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:44:44,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:44:44,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (1/1) ... [2022-12-05 18:44:44,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:44:44,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:44,803 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 18:44:44,824 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 18:44:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:44:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:44:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-05 18:44:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-05 18:44:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-05 18:44:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:44:44,861 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 18:44:45,268 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:44:45,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:44:45,851 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:44:45,859 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:44:45,859 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2022-12-05 18:44:45,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:44:45 BoogieIcfgContainer [2022-12-05 18:44:45,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:44:45,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:44:45,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:44:45,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:44:45,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:44:39" (1/3) ... [2022-12-05 18:44:45,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dacea46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:44:45, skipping insertion in model container [2022-12-05 18:44:45,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:44" (2/3) ... [2022-12-05 18:44:45,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dacea46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:44:45, skipping insertion in model container [2022-12-05 18:44:45,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:44:45" (3/3) ... [2022-12-05 18:44:45,866 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-05 18:44:45,878 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:44:45,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 18:44:45,878 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:44:45,942 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 18:44:45,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 736 places, 792 transitions, 1600 flow [2022-12-05 18:44:46,175 INFO L130 PetriNetUnfolder]: 63/790 cut-off events. [2022-12-05 18:44:46,175 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 18:44:46,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 790 events. 63/790 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1229 event pairs, 0 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-05 18:44:46,184 INFO L82 GeneralOperation]: Start removeDead. Operand has 736 places, 792 transitions, 1600 flow [2022-12-05 18:44:46,195 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 726 places, 782 transitions, 1573 flow [2022-12-05 18:44:46,207 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:44:46,214 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;@288a8a61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:44:46,215 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-05 18:44:46,286 INFO L130 PetriNetUnfolder]: 21/400 cut-off events. [2022-12-05 18:44:46,286 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 18:44:46,286 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:46,287 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:46,287 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 2 more)] === [2022-12-05 18:44:46,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:46,292 INFO L85 PathProgramCache]: Analyzing trace with hash 2059439434, now seen corresponding path program 1 times [2022-12-05 18:44:46,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:46,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583427529] [2022-12-05 18:44:46,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:46,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:47,240 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 18:44:47,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:47,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583427529] [2022-12-05 18:44:47,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583427529] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:47,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:44:47,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-05 18:44:47,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903052867] [2022-12-05 18:44:47,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:47,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 18:44:47,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:47,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 18:44:47,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-05 18:44:47,291 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 716 out of 792 [2022-12-05 18:44:47,298 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 782 transitions, 1573 flow. Second operand has 6 states, 6 states have (on average 720.6666666666666) internal successors, (4324), 6 states have internal predecessors, (4324), 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 18:44:47,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:47,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 716 of 792 [2022-12-05 18:44:47,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:47,604 INFO L130 PetriNetUnfolder]: 67/1191 cut-off events. [2022-12-05 18:44:47,604 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-05 18:44:47,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1273 conditions, 1191 events. 67/1191 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 3292 event pairs, 4 based on Foata normal form. 32/1152 useless extension candidates. Maximal degree in co-relation 1003. Up to 37 conditions per place. [2022-12-05 18:44:47,613 INFO L137 encePairwiseOnDemand]: 753/792 looper letters, 47 selfloop transitions, 9 changer transitions 1/762 dead transitions. [2022-12-05 18:44:47,613 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 729 places, 762 transitions, 1654 flow [2022-12-05 18:44:47,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 18:44:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 18:44:47,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 5833 transitions. [2022-12-05 18:44:47,632 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9206123737373737 [2022-12-05 18:44:47,633 INFO L175 Difference]: Start difference. First operand has 726 places, 782 transitions, 1573 flow. Second operand 8 states and 5833 transitions. [2022-12-05 18:44:47,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 729 places, 762 transitions, 1654 flow [2022-12-05 18:44:47,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 726 places, 762 transitions, 1644 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 18:44:47,647 INFO L231 Difference]: Finished difference. Result has 727 places, 751 transitions, 1537 flow [2022-12-05 18:44:47,650 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=792, PETRI_DIFFERENCE_MINUEND_FLOW=1500, PETRI_DIFFERENCE_MINUEND_PLACES=719, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=748, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=739, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1537, PETRI_PLACES=727, PETRI_TRANSITIONS=751} [2022-12-05 18:44:47,652 INFO L294 CegarLoopForPetriNet]: 726 programPoint places, 1 predicate places. [2022-12-05 18:44:47,652 INFO L495 AbstractCegarLoop]: Abstraction has has 727 places, 751 transitions, 1537 flow [2022-12-05 18:44:47,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 720.6666666666666) internal successors, (4324), 6 states have internal predecessors, (4324), 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 18:44:47,654 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:47,654 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:47,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:44:47,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:44:47,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:47,655 INFO L85 PathProgramCache]: Analyzing trace with hash 247716807, now seen corresponding path program 1 times [2022-12-05 18:44:47,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:47,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366916407] [2022-12-05 18:44:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:47,955 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 18:44:47,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:47,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366916407] [2022-12-05 18:44:47,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366916407] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:47,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:44:47,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-05 18:44:47,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843088916] [2022-12-05 18:44:47,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:47,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-05 18:44:47,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:47,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-05 18:44:47,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-05 18:44:47,963 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 724 out of 792 [2022-12-05 18:44:47,968 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 727 places, 751 transitions, 1537 flow. Second operand has 9 states, 9 states have (on average 726.0) internal successors, (6534), 9 states have internal predecessors, (6534), 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 18:44:47,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:47,968 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 724 of 792 [2022-12-05 18:44:47,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:48,211 INFO L130 PetriNetUnfolder]: 52/1060 cut-off events. [2022-12-05 18:44:48,211 INFO L131 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2022-12-05 18:44:48,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 1060 events. 52/1060 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 2513 event pairs, 0 based on Foata normal form. 0/1005 useless extension candidates. Maximal degree in co-relation 506. Up to 21 conditions per place. [2022-12-05 18:44:48,219 INFO L137 encePairwiseOnDemand]: 775/792 looper letters, 19 selfloop transitions, 16 changer transitions 0/747 dead transitions. [2022-12-05 18:44:48,219 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 738 places, 747 transitions, 1599 flow [2022-12-05 18:44:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-05 18:44:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-05 18:44:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 11619 transitions. [2022-12-05 18:44:48,266 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9169034090909091 [2022-12-05 18:44:48,266 INFO L175 Difference]: Start difference. First operand has 727 places, 751 transitions, 1537 flow. Second operand 16 states and 11619 transitions. [2022-12-05 18:44:48,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 738 places, 747 transitions, 1599 flow [2022-12-05 18:44:48,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 733 places, 747 transitions, 1590 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-05 18:44:48,276 INFO L231 Difference]: Finished difference. Result has 733 places, 747 transitions, 1552 flow [2022-12-05 18:44:48,277 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=792, PETRI_DIFFERENCE_MINUEND_FLOW=1520, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=747, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=731, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1552, PETRI_PLACES=733, PETRI_TRANSITIONS=747} [2022-12-05 18:44:48,278 INFO L294 CegarLoopForPetriNet]: 726 programPoint places, 7 predicate places. [2022-12-05 18:44:48,278 INFO L495 AbstractCegarLoop]: Abstraction has has 733 places, 747 transitions, 1552 flow [2022-12-05 18:44:48,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 726.0) internal successors, (6534), 9 states have internal predecessors, (6534), 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 18:44:48,281 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:48,282 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:48,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 18:44:48,282 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:44:48,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:48,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1314986034, now seen corresponding path program 1 times [2022-12-05 18:44:48,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:48,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348047146] [2022-12-05 18:44:48,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:48,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:48,410 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 18:44:48,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:48,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348047146] [2022-12-05 18:44:48,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348047146] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:48,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:44:48,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 18:44:48,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097264379] [2022-12-05 18:44:48,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:48,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 18:44:48,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 18:44:48,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 18:44:48,414 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 749 out of 792 [2022-12-05 18:44:48,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 733 places, 747 transitions, 1552 flow. Second operand has 3 states, 3 states have (on average 751.0) internal successors, (2253), 3 states have internal predecessors, (2253), 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 18:44:48,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:48,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 749 of 792 [2022-12-05 18:44:48,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:48,622 INFO L130 PetriNetUnfolder]: 100/1592 cut-off events. [2022-12-05 18:44:48,622 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-05 18:44:48,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1721 conditions, 1592 events. 100/1592 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 6208 event pairs, 12 based on Foata normal form. 0/1493 useless extension candidates. Maximal degree in co-relation 1275. Up to 43 conditions per place. [2022-12-05 18:44:48,629 INFO L137 encePairwiseOnDemand]: 790/792 looper letters, 12 selfloop transitions, 1 changer transitions 0/750 dead transitions. [2022-12-05 18:44:48,629 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 735 places, 750 transitions, 1587 flow [2022-12-05 18:44:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 18:44:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 18:44:48,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2261 transitions. [2022-12-05 18:44:48,632 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9515993265993266 [2022-12-05 18:44:48,632 INFO L175 Difference]: Start difference. First operand has 733 places, 747 transitions, 1552 flow. Second operand 3 states and 2261 transitions. [2022-12-05 18:44:48,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 735 places, 750 transitions, 1587 flow [2022-12-05 18:44:48,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 720 places, 750 transitions, 1555 flow, removed 0 selfloop flow, removed 15 redundant places. [2022-12-05 18:44:48,642 INFO L231 Difference]: Finished difference. Result has 721 places, 747 transitions, 1525 flow [2022-12-05 18:44:48,643 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=792, PETRI_DIFFERENCE_MINUEND_FLOW=1520, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=747, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=746, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1525, PETRI_PLACES=721, PETRI_TRANSITIONS=747} [2022-12-05 18:44:48,643 INFO L294 CegarLoopForPetriNet]: 726 programPoint places, -5 predicate places. [2022-12-05 18:44:48,644 INFO L495 AbstractCegarLoop]: Abstraction has has 721 places, 747 transitions, 1525 flow [2022-12-05 18:44:48,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 751.0) internal successors, (2253), 3 states have internal predecessors, (2253), 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 18:44:48,645 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:48,645 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:48,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 18:44:48,645 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 2 more)] === [2022-12-05 18:44:48,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:48,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1569101742, now seen corresponding path program 1 times [2022-12-05 18:44:48,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:48,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708538886] [2022-12-05 18:44:48,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:48,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:49,062 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 18:44:49,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:49,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708538886] [2022-12-05 18:44:49,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708538886] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:49,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:44:49,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 18:44:49,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185288659] [2022-12-05 18:44:49,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:49,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 18:44:49,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:49,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 18:44:49,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 18:44:49,067 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 736 out of 792 [2022-12-05 18:44:49,070 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 721 places, 747 transitions, 1525 flow. Second operand has 5 states, 5 states have (on average 737.4) internal successors, (3687), 5 states have internal predecessors, (3687), 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 18:44:49,070 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:49,070 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 736 of 792 [2022-12-05 18:44:49,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:49,275 INFO L130 PetriNetUnfolder]: 75/1494 cut-off events. [2022-12-05 18:44:49,275 INFO L131 PetriNetUnfolder]: For 11/17 co-relation queries the response was YES. [2022-12-05 18:44:49,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1569 conditions, 1494 events. 75/1494 cut-off events. For 11/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4425 event pairs, 0 based on Foata normal form. 0/1414 useless extension candidates. Maximal degree in co-relation 1333. Up to 18 conditions per place. [2022-12-05 18:44:49,286 INFO L137 encePairwiseOnDemand]: 785/792 looper letters, 25 selfloop transitions, 6 changer transitions 0/754 dead transitions. [2022-12-05 18:44:49,286 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 754 transitions, 1605 flow [2022-12-05 18:44:49,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 18:44:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 18:44:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4447 transitions. [2022-12-05 18:44:49,292 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9358164983164983 [2022-12-05 18:44:49,292 INFO L175 Difference]: Start difference. First operand has 721 places, 747 transitions, 1525 flow. Second operand 6 states and 4447 transitions. [2022-12-05 18:44:49,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 754 transitions, 1605 flow [2022-12-05 18:44:49,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 754 transitions, 1604 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 18:44:49,301 INFO L231 Difference]: Finished difference. Result has 726 places, 748 transitions, 1544 flow [2022-12-05 18:44:49,302 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=792, PETRI_DIFFERENCE_MINUEND_FLOW=1524, PETRI_DIFFERENCE_MINUEND_PLACES=720, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=747, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=741, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1544, PETRI_PLACES=726, PETRI_TRANSITIONS=748} [2022-12-05 18:44:49,303 INFO L294 CegarLoopForPetriNet]: 726 programPoint places, 0 predicate places. [2022-12-05 18:44:49,303 INFO L495 AbstractCegarLoop]: Abstraction has has 726 places, 748 transitions, 1544 flow [2022-12-05 18:44:49,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 737.4) internal successors, (3687), 5 states have internal predecessors, (3687), 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 18:44:49,305 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:49,305 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:49,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 18:44:49,305 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 2 more)] === [2022-12-05 18:44:49,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:49,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1943554435, now seen corresponding path program 1 times [2022-12-05 18:44:49,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:49,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979356806] [2022-12-05 18:44:49,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:49,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:49,715 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 18:44:49,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:49,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979356806] [2022-12-05 18:44:49,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979356806] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:44:49,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026999674] [2022-12-05 18:44:49,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:49,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:49,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:49,718 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 18:44:49,734 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 18:44:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:50,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-05 18:44:50,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:44:50,435 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 18:44:50,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 18:44:50,545 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 18:44:50,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026999674] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 18:44:50,547 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 18:44:50,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 13 [2022-12-05 18:44:50,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652099570] [2022-12-05 18:44:50,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 18:44:50,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-05 18:44:50,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-05 18:44:50,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-12-05 18:44:50,556 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 736 out of 792 [2022-12-05 18:44:50,564 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 748 transitions, 1544 flow. Second operand has 13 states, 13 states have (on average 738.0769230769231) internal successors, (9595), 13 states have internal predecessors, (9595), 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 18:44:50,564 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:50,564 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 736 of 792 [2022-12-05 18:44:50,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:51,025 INFO L130 PetriNetUnfolder]: 75/1515 cut-off events. [2022-12-05 18:44:51,025 INFO L131 PetriNetUnfolder]: For 18/24 co-relation queries the response was YES. [2022-12-05 18:44:51,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1614 conditions, 1515 events. 75/1515 cut-off events. For 18/24 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4466 event pairs, 0 based on Foata normal form. 3/1439 useless extension candidates. Maximal degree in co-relation 1370. Up to 18 conditions per place. [2022-12-05 18:44:51,037 INFO L137 encePairwiseOnDemand]: 779/792 looper letters, 27 selfloop transitions, 18 changer transitions 0/768 dead transitions. [2022-12-05 18:44:51,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 740 places, 768 transitions, 1682 flow [2022-12-05 18:44:51,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-05 18:44:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-12-05 18:44:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 11089 transitions. [2022-12-05 18:44:51,051 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9334175084175084 [2022-12-05 18:44:51,051 INFO L175 Difference]: Start difference. First operand has 726 places, 748 transitions, 1544 flow. Second operand 15 states and 11089 transitions. [2022-12-05 18:44:51,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 740 places, 768 transitions, 1682 flow [2022-12-05 18:44:51,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 736 places, 768 transitions, 1672 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 18:44:51,061 INFO L231 Difference]: Finished difference. Result has 739 places, 755 transitions, 1609 flow [2022-12-05 18:44:51,062 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=792, PETRI_DIFFERENCE_MINUEND_FLOW=1534, PETRI_DIFFERENCE_MINUEND_PLACES=722, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=748, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=734, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1609, PETRI_PLACES=739, PETRI_TRANSITIONS=755} [2022-12-05 18:44:51,063 INFO L294 CegarLoopForPetriNet]: 726 programPoint places, 13 predicate places. [2022-12-05 18:44:51,063 INFO L495 AbstractCegarLoop]: Abstraction has has 739 places, 755 transitions, 1609 flow [2022-12-05 18:44:51,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 738.0769230769231) internal successors, (9595), 13 states have internal predecessors, (9595), 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 18:44:51,067 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:51,068 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:51,078 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 18:44:51,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:51,276 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:44:51,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:51,277 INFO L85 PathProgramCache]: Analyzing trace with hash 2054894062, now seen corresponding path program 2 times [2022-12-05 18:44:51,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:51,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019189671] [2022-12-05 18:44:51,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:51,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:51,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:51,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019189671] [2022-12-05 18:44:51,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019189671] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:44:51,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112233359] [2022-12-05 18:44:51,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-05 18:44:51,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:51,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:51,800 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 18:44:51,802 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 18:44:52,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-05 18:44:52,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-05 18:44:52,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-05 18:44:52,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:44:52,355 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 18:44:52,376 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 19 treesize of output 7 [2022-12-05 18:44:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-05 18:44:52,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:44:52,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112233359] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:52,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:44:52,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-12-05 18:44:52,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465760369] [2022-12-05 18:44:52,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:52,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 18:44:52,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:52,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 18:44:52,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:44:52,422 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 698 out of 792 [2022-12-05 18:44:52,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 755 transitions, 1609 flow. Second operand has 7 states, 7 states have (on average 704.1428571428571) internal successors, (4929), 7 states have internal predecessors, (4929), 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 18:44:52,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:52,426 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 698 of 792 [2022-12-05 18:44:52,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:53,718 INFO L130 PetriNetUnfolder]: 1401/7260 cut-off events. [2022-12-05 18:44:53,718 INFO L131 PetriNetUnfolder]: For 76/79 co-relation queries the response was YES. [2022-12-05 18:44:53,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10006 conditions, 7260 events. 1401/7260 cut-off events. For 76/79 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 55577 event pairs, 597 based on Foata normal form. 0/6613 useless extension candidates. Maximal degree in co-relation 9744. Up to 803 conditions per place. [2022-12-05 18:44:53,755 INFO L137 encePairwiseOnDemand]: 784/792 looper letters, 63 selfloop transitions, 3 changer transitions 50/806 dead transitions. [2022-12-05 18:44:53,755 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 806 transitions, 1965 flow [2022-12-05 18:44:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-05 18:44:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-05 18:44:53,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 8490 transitions. [2022-12-05 18:44:53,767 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8933080808080808 [2022-12-05 18:44:53,768 INFO L175 Difference]: Start difference. First operand has 739 places, 755 transitions, 1609 flow. Second operand 12 states and 8490 transitions. [2022-12-05 18:44:53,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 806 transitions, 1965 flow [2022-12-05 18:44:53,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 743 places, 806 transitions, 1944 flow, removed 4 selfloop flow, removed 7 redundant places. [2022-12-05 18:44:53,780 INFO L231 Difference]: Finished difference. Result has 751 places, 756 transitions, 1626 flow [2022-12-05 18:44:53,781 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=792, PETRI_DIFFERENCE_MINUEND_FLOW=1588, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=755, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=752, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1626, PETRI_PLACES=751, PETRI_TRANSITIONS=756} [2022-12-05 18:44:53,782 INFO L294 CegarLoopForPetriNet]: 726 programPoint places, 25 predicate places. [2022-12-05 18:44:53,782 INFO L495 AbstractCegarLoop]: Abstraction has has 751 places, 756 transitions, 1626 flow [2022-12-05 18:44:53,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 704.1428571428571) internal successors, (4929), 7 states have internal predecessors, (4929), 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 18:44:53,784 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:53,785 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:53,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-05 18:44:53,993 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,SelfDestructingSolverStorable5 [2022-12-05 18:44:53,993 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:44:53,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:53,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1432267172, now seen corresponding path program 1 times [2022-12-05 18:44:53,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:53,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593315166] [2022-12-05 18:44:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:53,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:54,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:54,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593315166] [2022-12-05 18:44:54,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593315166] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:44:54,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287955342] [2022-12-05 18:44:54,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:54,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:54,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:54,554 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 18:44:54,556 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 18:44:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:55,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 99 conjunts are in the unsatisfiable core [2022-12-05 18:44:55,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:44:55,396 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:55,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-05 18:44:55,443 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,483 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:55,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:44:55,520 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,563 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,564 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,600 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,640 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,680 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,719 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,757 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,827 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,873 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,910 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:55,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:55,999 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-05 18:44:55,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 42 [2022-12-05 18:44:56,052 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:56,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:44:56,079 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:56,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:44:56,106 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:56,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:44:56,134 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:56,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:44:56,161 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:56,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:44:56,194 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:56,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:44:56,220 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:56,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:44:56,292 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-05 18:44:56,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2022-12-05 18:44:56,387 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:44:56,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:44:56,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 16 treesize of output 18 [2022-12-05 18:44:56,935 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:44:56,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:44:56,992 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-12-05 18:44:56,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 30 [2022-12-05 18:44:57,235 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 18:44:57,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 16 treesize of output 18 [2022-12-05 18:44:57,314 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 19 treesize of output 7 [2022-12-05 18:44:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-05 18:44:57,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:44:57,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287955342] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:57,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:44:57,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [9] total 22 [2022-12-05 18:44:57,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881166226] [2022-12-05 18:44:57,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:57,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-05 18:44:57,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:57,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-05 18:44:57,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2022-12-05 18:44:57,367 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 645 out of 792 [2022-12-05 18:44:57,377 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 751 places, 756 transitions, 1626 flow. Second operand has 15 states, 15 states have (on average 650.8666666666667) internal successors, (9763), 15 states have internal predecessors, (9763), 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 18:44:57,378 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:57,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 645 of 792 [2022-12-05 18:44:57,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:58,866 INFO L130 PetriNetUnfolder]: 951/5838 cut-off events. [2022-12-05 18:44:58,867 INFO L131 PetriNetUnfolder]: For 1367/1370 co-relation queries the response was YES. [2022-12-05 18:44:58,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8233 conditions, 5838 events. 951/5838 cut-off events. For 1367/1370 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 41176 event pairs, 369 based on Foata normal form. 30/5382 useless extension candidates. Maximal degree in co-relation 7932. Up to 767 conditions per place. [2022-12-05 18:44:58,888 INFO L137 encePairwiseOnDemand]: 778/792 looper letters, 0 selfloop transitions, 0 changer transitions 773/773 dead transitions. [2022-12-05 18:44:58,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 753 places, 773 transitions, 1942 flow [2022-12-05 18:44:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-05 18:44:58,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-05 18:44:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 8514 transitions. [2022-12-05 18:44:58,900 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8269230769230769 [2022-12-05 18:44:58,900 INFO L175 Difference]: Start difference. First operand has 751 places, 756 transitions, 1626 flow. Second operand 13 states and 8514 transitions. [2022-12-05 18:44:58,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 753 places, 773 transitions, 1942 flow [2022-12-05 18:44:58,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 773 transitions, 1910 flow, removed 14 selfloop flow, removed 9 redundant places. [2022-12-05 18:44:58,912 INFO L231 Difference]: Finished difference. Result has 744 places, 0 transitions, 0 flow [2022-12-05 18:44:58,912 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=792, PETRI_DIFFERENCE_MINUEND_FLOW=1594, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=754, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=754, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=744, PETRI_TRANSITIONS=0} [2022-12-05 18:44:58,913 INFO L294 CegarLoopForPetriNet]: 726 programPoint places, 18 predicate places. [2022-12-05 18:44:58,913 INFO L495 AbstractCegarLoop]: Abstraction has has 744 places, 0 transitions, 0 flow [2022-12-05 18:44:58,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 650.8666666666667) internal successors, (9763), 15 states have internal predecessors, (9763), 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 18:44:58,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-05 18:44:58,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-12-05 18:44:58,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-05 18:44:58,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-12-05 18:44:58,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-05 18:44:58,926 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 18:44:59,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:59,127 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-12-05 18:44:59,131 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 18:44:59,131 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 18:44:59,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 06:44:59 BasicIcfg [2022-12-05 18:44:59,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 18:44:59,134 INFO L158 Benchmark]: Toolchain (without parser) took 19892.43ms. Allocated memory was 203.4MB in the beginning and 1.0GB in the end (delta: 815.8MB). Free memory was 167.8MB in the beginning and 731.7MB in the end (delta: -563.9MB). Peak memory consumption was 519.3MB. Max. memory is 8.0GB. [2022-12-05 18:44:59,134 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 179.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:44:59,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5281.98ms. Allocated memory was 203.4MB in the beginning and 255.9MB in the end (delta: 52.4MB). Free memory was 167.3MB in the beginning and 141.3MB in the end (delta: 26.0MB). Peak memory consumption was 151.3MB. Max. memory is 8.0GB. [2022-12-05 18:44:59,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.59ms. Allocated memory is still 255.9MB. Free memory was 141.3MB in the beginning and 129.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-05 18:44:59,135 INFO L158 Benchmark]: Boogie Preprocessor took 83.76ms. Allocated memory is still 255.9MB. Free memory was 129.8MB in the beginning and 124.0MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-05 18:44:59,135 INFO L158 Benchmark]: RCFGBuilder took 1088.14ms. Allocated memory is still 255.9MB. Free memory was 124.0MB in the beginning and 166.2MB in the end (delta: -42.1MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2022-12-05 18:44:59,135 INFO L158 Benchmark]: TraceAbstraction took 13271.40ms. Allocated memory was 255.9MB in the beginning and 1.0GB in the end (delta: 763.4MB). Free memory was 165.1MB in the beginning and 731.7MB in the end (delta: -566.6MB). Peak memory consumption was 463.7MB. Max. memory is 8.0GB. [2022-12-05 18:44:59,136 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 203.4MB. Free memory is still 179.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5281.98ms. Allocated memory was 203.4MB in the beginning and 255.9MB in the end (delta: 52.4MB). Free memory was 167.3MB in the beginning and 141.3MB in the end (delta: 26.0MB). Peak memory consumption was 151.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 161.59ms. Allocated memory is still 255.9MB. Free memory was 141.3MB in the beginning and 129.8MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 83.76ms. Allocated memory is still 255.9MB. Free memory was 129.8MB in the beginning and 124.0MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1088.14ms. Allocated memory is still 255.9MB. Free memory was 124.0MB in the beginning and 166.2MB in the end (delta: -42.1MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 13271.40ms. Allocated memory was 255.9MB in the beginning and 1.0GB in the end (delta: 763.4MB). Free memory was 165.1MB in the beginning and 731.7MB in the end (delta: -566.6MB). Peak memory consumption was 463.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 893 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.2s, OverallIterations: 7, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 712 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 712 mSDsluCounter, 782 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 595 mSDsCounter, 115 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 932 IncrementalHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 115 mSolverCounterUnsat, 187 mSDtfsCounter, 932 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1356 GetRequests, 1250 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1626occurred in iteration=6, InterpolantAutomatonStates: 73, 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: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 3029 NumberOfCodeBlocks, 3001 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3322 ConstructedInterpolants, 4 QuantifiedInterpolants, 8204 SizeOfPredicates, 46 NumberOfNonLiveVariables, 3195 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 92/187 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 18:44:59,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...