/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 --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:54:45,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:54:45,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:54:45,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:54:45,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:54:45,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:54:45,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:54:45,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:54:45,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:54:45,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:54:45,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:54:45,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:54:45,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:54:45,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:54:45,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:54:45,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:54:45,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:54:45,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:54:45,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:54:45,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:54:45,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:54:45,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:54:45,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:54:45,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:54:45,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:54:45,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:54:45,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:54:45,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:54:45,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:54:45,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:54:45,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:54:45,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:54:45,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:54:45,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:54:45,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:54:45,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:54:45,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:54:45,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:54:45,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:54:45,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:54:45,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:54:45,890 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 [2022-12-06 16:54:45,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:54:45,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:54:45,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:54:45,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:54:45,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:54:45,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:54:45,919 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:54:45,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:54:45,919 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:54:45,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:54:45,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:54:45,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:54:45,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:54:45,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:54:45,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:54:45,920 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:54:45,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:54:45,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:54:45,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:54:45,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:54:45,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:54:45,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:54:45,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:54:45,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:54:45,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:54:45,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:54:45,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:54:45,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:54:45,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:54:45,922 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:54:45,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:54:45,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:54:46,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:54:46,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:54:46,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:54:46,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:54:46,209 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:54:46,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-06 16:54:47,199 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:54:47,599 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:54:47,599 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-06 16:54:47,638 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eabafce8/2774959476ae4c3da6f73e1dee60c62d/FLAGc594bd857 [2022-12-06 16:54:47,648 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2eabafce8/2774959476ae4c3da6f73e1dee60c62d [2022-12-06 16:54:47,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:54:47,651 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:54:47,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:54:47,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:54:47,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:54:47,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:54:47" (1/1) ... [2022-12-06 16:54:47,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8c4708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:47, skipping insertion in model container [2022-12-06 16:54:47,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:54:47" (1/1) ... [2022-12-06 16:54:47,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:54:47,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:54:48,020 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_open_pc8736x_gpio_get.i[5469,5482] [2022-12-06 16:54:48,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,354 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,382 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 16:54:48,389 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:54:48,394 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:54:48,404 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:54:48,534 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:54:48,540 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:54:48,699 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 16:54:48,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:48,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:48,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:49,072 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 16:54:49,076 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 16:54:49,081 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 16:54:49,222 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 16:54:49,222 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:54:49,227 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 16:54:49,228 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:54:49,444 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 16:54:49,957 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:54:49,968 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:54:50,042 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 16:54:50,047 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 16:54:50,426 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 16:54:50,687 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 16:54:50,692 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 16:54:50,914 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 16:54:51,229 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 16:54:51,229 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 16:54:51,230 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 16:54:52,303 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 16:54:52,304 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:54:52,306 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:54:52,309 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:54:52,311 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:54:52,793 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:54:52,794 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:54:52,822 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 16:54:52,823 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 16:54:52,824 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 16:54:52,825 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:54:52,825 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 16:54:52,826 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 16:54:52,829 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:54:52,829 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 16:54:52,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:54:52,872 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:54:52,885 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_open_pc8736x_gpio_get.i[5469,5482] [2022-12-06 16:54:52,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,900 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 16:54:52,900 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:54:52,901 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:54:52,901 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:54:52,904 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:54:52,905 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:54:52,907 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 16:54:52,915 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,917 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,917 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,917 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:54:52,917 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:54:52,928 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 16:54:52,929 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 16:54:52,929 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 16:54:52,931 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 16:54:52,931 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:54:52,932 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 16:54:52,932 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:54:52,938 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 16:54:52,948 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:54:52,949 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:54:52,951 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 16:54:52,951 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 16:54:52,958 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 16:54:52,962 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 16:54:52,962 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 16:54:52,966 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 16:54:52,970 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 16:54:52,971 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 16:54:52,971 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 16:54:53,029 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 16:54:53,030 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:54:53,031 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:54:53,037 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:54:53,041 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:54:53,079 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:54:53,080 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:54:53,083 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 16:54:53,084 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 16:54:53,085 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 16:54:53,086 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:54:53,086 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 16:54:53,086 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 16:54:53,086 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:54:53,087 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 16:54:53,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:54:53,622 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:54:53,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53 WrapperNode [2022-12-06 16:54:53,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:54:53,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:54:53,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:54:53,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:54:53,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,773 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 662 [2022-12-06 16:54:53,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:54:53,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:54:53,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:54:53,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:54:53,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,837 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:54:53,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:54:53,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:54:53,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:54:53,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (1/1) ... [2022-12-06 16:54:53,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:54:53,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:54:53,879 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) [2022-12-06 16:54:53,899 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 [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:54:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-06 16:54:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 16:54:53,923 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:54:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-06 16:54:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:54:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:54:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 16:54:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:54:53,925 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 16:54:54,366 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:54:54,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:54:54,843 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:54:54,850 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:54:54,851 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2022-12-06 16:54:54,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:54:54 BoogieIcfgContainer [2022-12-06 16:54:54,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:54:54,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:54:54,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:54:54,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:54:54,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:54:47" (1/3) ... [2022-12-06 16:54:54,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdc00a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:54:54, skipping insertion in model container [2022-12-06 16:54:54,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:54:53" (2/3) ... [2022-12-06 16:54:54,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bdc00a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:54:54, skipping insertion in model container [2022-12-06 16:54:54,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:54:54" (3/3) ... [2022-12-06 16:54:54,858 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-06 16:54:54,870 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:54:54,870 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 16:54:54,870 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:54:54,953 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 16:54:54,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 681 places, 726 transitions, 1468 flow [2022-12-06 16:54:55,150 INFO L130 PetriNetUnfolder]: 52/724 cut-off events. [2022-12-06 16:54:55,150 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 16:54:55,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 724 events. 52/724 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1032 event pairs, 0 based on Foata normal form. 0/670 useless extension candidates. Maximal degree in co-relation 653. Up to 9 conditions per place. [2022-12-06 16:54:55,157 INFO L82 GeneralOperation]: Start removeDead. Operand has 681 places, 726 transitions, 1468 flow [2022-12-06 16:54:55,163 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 671 places, 716 transitions, 1441 flow [2022-12-06 16:54:55,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:54:55,174 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;@2dd8cac0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:54:55,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 16:54:55,221 INFO L130 PetriNetUnfolder]: 10/336 cut-off events. [2022-12-06 16:54:55,222 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:54:55,222 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:54:55,222 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] [2022-12-06 16:54:55,223 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:54:55,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:54:55,226 INFO L85 PathProgramCache]: Analyzing trace with hash 295053358, now seen corresponding path program 1 times [2022-12-06 16:54:55,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:54:55,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739693224] [2022-12-06 16:54:55,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:54:55,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:54:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:54:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:54:55,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:54:55,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739693224] [2022-12-06 16:54:55,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739693224] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:54:55,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:54:55,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-06 16:54:55,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612526434] [2022-12-06 16:54:55,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:54:55,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 16:54:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:54:56,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 16:54:56,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-06 16:54:56,045 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 662 out of 726 [2022-12-06 16:54:56,054 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 716 transitions, 1441 flow. Second operand has 9 states, 9 states have (on average 664.0) internal successors, (5976), 9 states have internal predecessors, (5976), 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) [2022-12-06 16:54:56,055 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:54:56,055 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 662 of 726 [2022-12-06 16:54:56,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:54:56,319 INFO L130 PetriNetUnfolder]: 25/684 cut-off events. [2022-12-06 16:54:56,319 INFO L131 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2022-12-06 16:54:56,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 684 events. 25/684 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 928 event pairs, 0 based on Foata normal form. 17/673 useless extension candidates. Maximal degree in co-relation 655. Up to 12 conditions per place. [2022-12-06 16:54:56,323 INFO L137 encePairwiseOnDemand]: 683/726 looper letters, 18 selfloop transitions, 16 changer transitions 1/684 dead transitions. [2022-12-06 16:54:56,324 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 684 transitions, 1445 flow [2022-12-06 16:54:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-06 16:54:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-06 16:54:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 10653 transitions. [2022-12-06 16:54:56,351 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9170971074380165 [2022-12-06 16:54:56,355 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, 10 predicate places. [2022-12-06 16:54:56,355 INFO L495 AbstractCegarLoop]: Abstraction has has 681 places, 684 transitions, 1445 flow [2022-12-06 16:54:56,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 664.0) internal successors, (5976), 9 states have internal predecessors, (5976), 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) [2022-12-06 16:54:56,358 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:54:56,359 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] [2022-12-06 16:54:56,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:54:56,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:54:56,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:54:56,361 INFO L85 PathProgramCache]: Analyzing trace with hash 664167957, now seen corresponding path program 1 times [2022-12-06 16:54:56,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:54:56,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162917536] [2022-12-06 16:54:56,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:54:56,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:54:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:54:56,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:54:56,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:54:56,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162917536] [2022-12-06 16:54:56,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162917536] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:54:56,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:54:56,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 16:54:56,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820028702] [2022-12-06 16:54:56,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:54:56,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 16:54:56,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:54:56,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 16:54:56,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 16:54:56,778 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 726 [2022-12-06 16:54:56,781 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 681 places, 684 transitions, 1445 flow. Second operand has 5 states, 5 states have (on average 675.2) internal successors, (3376), 5 states have internal predecessors, (3376), 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) [2022-12-06 16:54:56,781 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:54:56,781 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 726 [2022-12-06 16:54:56,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:54:56,915 INFO L130 PetriNetUnfolder]: 32/837 cut-off events. [2022-12-06 16:54:56,915 INFO L131 PetriNetUnfolder]: For 33/39 co-relation queries the response was YES. [2022-12-06 16:54:56,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 837 events. 32/837 cut-off events. For 33/39 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1397 event pairs, 0 based on Foata normal form. 0/800 useless extension candidates. Maximal degree in co-relation 777. Up to 17 conditions per place. [2022-12-06 16:54:56,921 INFO L137 encePairwiseOnDemand]: 719/726 looper letters, 24 selfloop transitions, 6 changer transitions 1/691 dead transitions. [2022-12-06 16:54:56,922 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 691 transitions, 1536 flow [2022-12-06 16:54:56,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 16:54:56,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 16:54:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4075 transitions. [2022-12-06 16:54:56,928 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9354912764003673 [2022-12-06 16:54:56,929 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, 15 predicate places. [2022-12-06 16:54:56,929 INFO L495 AbstractCegarLoop]: Abstraction has has 686 places, 691 transitions, 1536 flow [2022-12-06 16:54:56,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 675.2) internal successors, (3376), 5 states have internal predecessors, (3376), 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) [2022-12-06 16:54:56,933 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:54:56,936 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] [2022-12-06 16:54:56,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 16:54:56,937 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:54:56,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:54:56,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1189762214, now seen corresponding path program 1 times [2022-12-06 16:54:56,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:54:56,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276226811] [2022-12-06 16:54:56,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:54:56,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:54:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:54:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:54:57,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:54:57,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276226811] [2022-12-06 16:54:57,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276226811] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:54:57,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700148226] [2022-12-06 16:54:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:54:57,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:54:57,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:54:57,390 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) [2022-12-06 16:54:57,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-06 16:54:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:54:57,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-06 16:54:57,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:54:57,808 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 [2022-12-06 16:54:57,812 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 15 treesize of output 11 [2022-12-06 16:54:57,829 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 [2022-12-06 16:54:57,832 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 21 treesize of output 9 [2022-12-06 16:54:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:54:57,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:54:57,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700148226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:54:57,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:54:57,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-06 16:54:57,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292749798] [2022-12-06 16:54:57,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:54:57,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:54:57,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:54:57,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:54:57,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-06 16:54:57,862 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 652 out of 726 [2022-12-06 16:54:57,865 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 691 transitions, 1536 flow. Second operand has 6 states, 6 states have (on average 656.8333333333334) internal successors, (3941), 6 states have internal predecessors, (3941), 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) [2022-12-06 16:54:57,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:54:57,865 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 652 of 726 [2022-12-06 16:54:57,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:54:58,200 INFO L130 PetriNetUnfolder]: 93/1556 cut-off events. [2022-12-06 16:54:58,201 INFO L131 PetriNetUnfolder]: For 122/127 co-relation queries the response was YES. [2022-12-06 16:54:58,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 1556 events. 93/1556 cut-off events. For 122/127 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 5158 event pairs, 18 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 1162. Up to 49 conditions per place. [2022-12-06 16:54:58,209 INFO L137 encePairwiseOnDemand]: 716/726 looper letters, 54 selfloop transitions, 9 changer transitions 1/705 dead transitions. [2022-12-06 16:54:58,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 705 transitions, 1723 flow [2022-12-06 16:54:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 16:54:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 16:54:58,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 5276 transitions. [2022-12-06 16:54:58,217 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9084022038567493 [2022-12-06 16:54:58,217 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, 20 predicate places. [2022-12-06 16:54:58,217 INFO L495 AbstractCegarLoop]: Abstraction has has 691 places, 705 transitions, 1723 flow [2022-12-06 16:54:58,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 656.8333333333334) internal successors, (3941), 6 states have internal predecessors, (3941), 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) [2022-12-06 16:54:58,219 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:54:58,219 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] [2022-12-06 16:54:58,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-06 16:54:58,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:54:58,430 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:54:58,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:54:58,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2076573275, now seen corresponding path program 1 times [2022-12-06 16:54:58,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:54:58,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246825712] [2022-12-06 16:54:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:54:58,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:54:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:54:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:54:59,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:54:59,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246825712] [2022-12-06 16:54:59,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246825712] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:54:59,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:54:59,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:54:59,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766616882] [2022-12-06 16:54:59,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:54:59,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:54:59,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:54:59,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:54:59,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:54:59,023 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 726 [2022-12-06 16:54:59,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 691 places, 705 transitions, 1723 flow. Second operand has 6 states, 6 states have (on average 662.6666666666666) internal successors, (3976), 6 states have internal predecessors, (3976), 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) [2022-12-06 16:54:59,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:54:59,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 726 [2022-12-06 16:54:59,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:54:59,595 INFO L130 PetriNetUnfolder]: 296/3292 cut-off events. [2022-12-06 16:54:59,596 INFO L131 PetriNetUnfolder]: For 830/836 co-relation queries the response was YES. [2022-12-06 16:54:59,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4281 conditions, 3292 events. 296/3292 cut-off events. For 830/836 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 19079 event pairs, 27 based on Foata normal form. 0/3077 useless extension candidates. Maximal degree in co-relation 1561. Up to 125 conditions per place. [2022-12-06 16:54:59,608 INFO L137 encePairwiseOnDemand]: 718/726 looper letters, 55 selfloop transitions, 5 changer transitions 58/767 dead transitions. [2022-12-06 16:54:59,608 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 767 transitions, 2437 flow [2022-12-06 16:54:59,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-06 16:54:59,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-06 16:54:59,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 7967 transitions. [2022-12-06 16:54:59,618 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.914485766758494 [2022-12-06 16:54:59,618 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, 31 predicate places. [2022-12-06 16:54:59,619 INFO L495 AbstractCegarLoop]: Abstraction has has 702 places, 767 transitions, 2437 flow [2022-12-06 16:54:59,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 662.6666666666666) internal successors, (3976), 6 states have internal predecessors, (3976), 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) [2022-12-06 16:54:59,620 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:54:59,621 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] [2022-12-06 16:54:59,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 16:54:59,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:54:59,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:54:59,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2019487543, now seen corresponding path program 1 times [2022-12-06 16:54:59,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:54:59,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358349695] [2022-12-06 16:54:59,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:54:59,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:54:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:55:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:55:00,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:55:00,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358349695] [2022-12-06 16:55:00,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358349695] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:55:00,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:55:00,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-06 16:55:00,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427696105] [2022-12-06 16:55:00,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:55:00,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:55:00,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:55:00,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:55:00,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-12-06 16:55:00,785 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 726 [2022-12-06 16:55:00,792 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 767 transitions, 2437 flow. Second operand has 12 states, 12 states have (on average 628.0) internal successors, (7536), 12 states have internal predecessors, (7536), 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) [2022-12-06 16:55:00,792 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:55:00,792 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 726 [2022-12-06 16:55:00,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:55:01,440 INFO L130 PetriNetUnfolder]: 260/2825 cut-off events. [2022-12-06 16:55:01,442 INFO L131 PetriNetUnfolder]: For 1007/1016 co-relation queries the response was YES. [2022-12-06 16:55:01,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4198 conditions, 2825 events. 260/2825 cut-off events. For 1007/1016 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 14699 event pairs, 0 based on Foata normal form. 0/2658 useless extension candidates. Maximal degree in co-relation 1779. Up to 127 conditions per place. [2022-12-06 16:55:01,454 INFO L137 encePairwiseOnDemand]: 714/726 looper letters, 0 selfloop transitions, 0 changer transitions 790/790 dead transitions. [2022-12-06 16:55:01,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 712 places, 790 transitions, 3076 flow [2022-12-06 16:55:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:55:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:55:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 8185 transitions. [2022-12-06 16:55:01,464 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8672388217842764 [2022-12-06 16:55:01,466 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, 41 predicate places. [2022-12-06 16:55:01,466 INFO L495 AbstractCegarLoop]: Abstraction has has 712 places, 790 transitions, 3076 flow [2022-12-06 16:55:01,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 628.0) internal successors, (7536), 12 states have internal predecessors, (7536), 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) [2022-12-06 16:55:01,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-06 16:55:01,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-06 16:55:01,473 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-06 16:55:01,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-06 16:55:01,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-06 16:55:01,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 16:55:01,477 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-06 16:55:01,481 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 16:55:01,481 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 16:55:01,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:55:01 BasicIcfg [2022-12-06 16:55:01,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 16:55:01,488 INFO L158 Benchmark]: Toolchain (without parser) took 13836.74ms. Allocated memory was 191.9MB in the beginning and 469.8MB in the end (delta: 277.9MB). Free memory was 156.9MB in the beginning and 182.8MB in the end (delta: -25.8MB). Peak memory consumption was 342.2MB. Max. memory is 8.0GB. [2022-12-06 16:55:01,490 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory was 167.8MB in the beginning and 167.8MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:55:01,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5970.37ms. Allocated memory was 191.9MB in the beginning and 303.0MB in the end (delta: 111.1MB). Free memory was 156.9MB in the beginning and 142.2MB in the end (delta: 14.7MB). Peak memory consumption was 137.2MB. Max. memory is 8.0GB. [2022-12-06 16:55:01,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.01ms. Allocated memory is still 303.0MB. Free memory was 142.2MB in the beginning and 241.6MB in the end (delta: -99.4MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-12-06 16:55:01,494 INFO L158 Benchmark]: Boogie Preprocessor took 72.21ms. Allocated memory is still 303.0MB. Free memory was 241.6MB in the beginning and 235.9MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-06 16:55:01,494 INFO L158 Benchmark]: RCFGBuilder took 1005.84ms. Allocated memory is still 303.0MB. Free memory was 235.9MB in the beginning and 175.0MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2022-12-06 16:55:01,494 INFO L158 Benchmark]: TraceAbstraction took 6633.32ms. Allocated memory was 303.0MB in the beginning and 469.8MB in the end (delta: 166.7MB). Free memory was 174.0MB in the beginning and 182.8MB in the end (delta: -8.8MB). Peak memory consumption was 247.6MB. Max. memory is 8.0GB. [2022-12-06 16:55:01,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory was 167.8MB in the beginning and 167.8MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5970.37ms. Allocated memory was 191.9MB in the beginning and 303.0MB in the end (delta: 111.1MB). Free memory was 156.9MB in the beginning and 142.2MB in the end (delta: 14.7MB). Peak memory consumption was 137.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 150.01ms. Allocated memory is still 303.0MB. Free memory was 142.2MB in the beginning and 241.6MB in the end (delta: -99.4MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 72.21ms. Allocated memory is still 303.0MB. Free memory was 241.6MB in the beginning and 235.9MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1005.84ms. Allocated memory is still 303.0MB. Free memory was 235.9MB in the beginning and 175.0MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. * TraceAbstraction took 6633.32ms. Allocated memory was 303.0MB in the beginning and 469.8MB in the end (delta: 166.7MB). Free memory was 174.0MB in the beginning and 182.8MB in the end (delta: -8.8MB). Peak memory consumption was 247.6MB. 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, 783 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 300 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 300 mSDsluCounter, 627 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 496 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 786 IncrementalHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 131 mSDtfsCounter, 786 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3076occurred in iteration=5, InterpolantAutomatonStates: 55, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1457 NumberOfCodeBlocks, 1457 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1451 ConstructedInterpolants, 0 QuantifiedInterpolants, 2365 SizeOfPredicates, 15 NumberOfNonLiveVariables, 903 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 3/4 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! [2022-12-06 16:55:01,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...