/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_open_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 18:45:38,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:45:38,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:45:38,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:45:38,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:45:38,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:45:38,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:45:38,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:45:38,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:45:38,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:45:38,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:45:38,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:45:38,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:45:38,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:45:38,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:45:38,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:45:38,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:45:38,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:45:38,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:45:38,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:45:38,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:45:38,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:45:38,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:45:38,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:45:38,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 18:45:38,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 18:45:38,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 18:45:38,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 18:45:38,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 18:45:38,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 18:45:38,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 18:45:38,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 18:45:38,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 18:45:38,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 18:45:38,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 18:45:38,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 18:45:38,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 18:45:38,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 18:45:38,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:45:38,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:45:38,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:45:38,965 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 18:45:38,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:45:38,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:45:38,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:45:38,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:45:38,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:45:38,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:45:38,985 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:45:38,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:45:38,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:45:38,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:45:38,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:45:38,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:45:38,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:45:38,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:45:38,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:45:38,986 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:45:38,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:45:38,986 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:45:38,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:45:38,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:45:38,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:45:38,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:45:38,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:45:38,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:45:38,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:45:38,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:45:38,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:45:38,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:45:38,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:45:38,988 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:45:38,988 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:45:38,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:45:39,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:45:39,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:45:39,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:45:39,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:45:39,303 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:45:39,305 INFO L432 ainManager$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 [2022-12-05 18:45:40,342 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:45:40,769 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:45:40,769 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-05 18:45:40,807 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12fce4882/5551f6572c574345af45fc7bbf3ba7ca/FLAGcf1e1bef8 [2022-12-05 18:45:40,821 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12fce4882/5551f6572c574345af45fc7bbf3ba7ca [2022-12-05 18:45:40,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:45:40,824 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:45:40,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:45:40,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:45:40,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:45:40,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:45:40" (1/1) ... [2022-12-05 18:45:40,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4750a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:40, skipping insertion in model container [2022-12-05 18:45:40,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:45:40" (1/1) ... [2022-12-05 18:45:40,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:45:40,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:45:41,246 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] [2022-12-05 18:45:41,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,556 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,580 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,581 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,593 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:45:41,598 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:45:41,604 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:45:41,615 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:45:41,733 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:45:41,740 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:45:41,840 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:45:41,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:41,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:41,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:42,218 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:45:42,222 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:45:42,227 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:45:42,346 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:45:42,347 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:45:42,351 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:45:42,351 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:45:42,558 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:45:42,999 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:45:43,008 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:45:43,054 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:45:43,059 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:45:43,258 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:45:43,383 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:45:43,386 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:45:43,502 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:45:43,781 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:45:43,781 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:45:43,781 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:45:44,725 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:45:44,725 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:45:44,730 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:45:44,734 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:45:44,743 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:45:45,297 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:45:45,298 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:45:45,326 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 18:45:45,327 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 18:45:45,328 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 18:45:45,329 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:45:45,330 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 18:45:45,330 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 18:45:45,333 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:45:45,334 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 18:45:45,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:45:45,368 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:45:45,380 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] [2022-12-05 18:45:45,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,390 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:45:45,390 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:45:45,390 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:45:45,391 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:45:45,394 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:45:45,395 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:45:45,397 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:45:45,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:45:45,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:45:45,414 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:45:45,414 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:45:45,414 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:45:45,417 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:45:45,418 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:45:45,418 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:45:45,418 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:45:45,426 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:45:45,438 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:45:45,440 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:45:45,442 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:45:45,442 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:45:45,449 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:45:45,453 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:45:45,454 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:45:45,458 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:45:45,462 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:45:45,462 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:45:45,462 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:45:45,525 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:45:45,526 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:45:45,529 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:45:45,533 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:45:45,535 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:45:45,572 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:45:45,572 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:45:45,625 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 18:45:45,626 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 18:45:45,626 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 18:45:45,627 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:45:45,628 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 18:45:45,628 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 18:45:45,628 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:45:45,628 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 18:45:45,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:45:46,068 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:45:46,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46 WrapperNode [2022-12-05 18:45:46,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:45:46,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:45:46,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:45:46,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:45:46,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,204 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 662 [2022-12-05 18:45:46,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:45:46,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:45:46,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:45:46,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:45:46,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,245 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:45:46,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:45:46,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:45:46,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:45:46,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (1/1) ... [2022-12-05 18:45:46,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:45:46,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:45:46,335 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 18:45:46,409 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 18:45:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:45:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 18:45:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:45:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 18:45:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:45:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:45:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-05 18:45:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-05 18:45:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 18:45:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-05 18:45:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-05 18:45:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:45:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-05 18:45:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:45:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:45:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 18:45:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:45:46,440 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 18:45:46,812 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:45:46,814 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:45:47,313 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:45:47,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:45:47,322 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2022-12-05 18:45:47,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:45:47 BoogieIcfgContainer [2022-12-05 18:45:47,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:45:47,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:45:47,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:45:47,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:45:47,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:45:40" (1/3) ... [2022-12-05 18:45:47,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e28354b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:45:47, skipping insertion in model container [2022-12-05 18:45:47,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:45:46" (2/3) ... [2022-12-05 18:45:47,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e28354b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:45:47, skipping insertion in model container [2022-12-05 18:45:47,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:45:47" (3/3) ... [2022-12-05 18:45:47,329 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-05 18:45:47,343 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:45:47,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 18:45:47,343 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:45:47,410 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 18:45:47,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 681 places, 726 transitions, 1468 flow [2022-12-05 18:45:47,603 INFO L130 PetriNetUnfolder]: 52/724 cut-off events. [2022-12-05 18:45:47,603 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 18:45:47,609 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. [2022-12-05 18:45:47,609 INFO L82 GeneralOperation]: Start removeDead. Operand has 681 places, 726 transitions, 1468 flow [2022-12-05 18:45:47,615 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 671 places, 716 transitions, 1441 flow [2022-12-05 18:45:47,622 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:45:47,626 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;@6eb1ff94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:45:47,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-05 18:45:47,657 INFO L130 PetriNetUnfolder]: 10/336 cut-off events. [2022-12-05 18:45:47,657 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 18:45:47,657 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:47,658 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] [2022-12-05 18:45:47,658 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)] === [2022-12-05 18:45:47,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:47,662 INFO L85 PathProgramCache]: Analyzing trace with hash 295053358, now seen corresponding path program 1 times [2022-12-05 18:45:47,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:47,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622398945] [2022-12-05 18:45:47,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:47,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:48,415 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 18:45:48,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:48,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622398945] [2022-12-05 18:45:48,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622398945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:48,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:48,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-05 18:45:48,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289561064] [2022-12-05 18:45:48,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:48,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-05 18:45:48,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:48,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-05 18:45:48,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-05 18:45:48,461 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 662 out of 726 [2022-12-05 18:45:48,470 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) [2022-12-05 18:45:48,470 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:48,470 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 662 of 726 [2022-12-05 18:45:48,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:48,770 INFO L130 PetriNetUnfolder]: 25/684 cut-off events. [2022-12-05 18:45:48,770 INFO L131 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2022-12-05 18:45:48,775 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. [2022-12-05 18:45:48,778 INFO L137 encePairwiseOnDemand]: 683/726 looper letters, 18 selfloop transitions, 16 changer transitions 1/684 dead transitions. [2022-12-05 18:45:48,778 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 684 transitions, 1445 flow [2022-12-05 18:45:48,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-05 18:45:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-05 18:45:48,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 10653 transitions. [2022-12-05 18:45:48,807 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9170971074380165 [2022-12-05 18:45:48,808 INFO L175 Difference]: Start difference. First operand has 671 places, 716 transitions, 1441 flow. Second operand 16 states and 10653 transitions. [2022-12-05 18:45:48,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 684 transitions, 1445 flow [2022-12-05 18:45:48,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 684 transitions, 1440 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 18:45:48,827 INFO L231 Difference]: Finished difference. Result has 678 places, 683 transitions, 1402 flow [2022-12-05 18:45:48,829 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1372, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=668, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1402, PETRI_PLACES=678, PETRI_TRANSITIONS=683} [2022-12-05 18:45:48,832 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, 7 predicate places. [2022-12-05 18:45:48,833 INFO L495 AbstractCegarLoop]: Abstraction has has 678 places, 683 transitions, 1402 flow [2022-12-05 18:45:48,836 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) [2022-12-05 18:45:48,836 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:48,837 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 18:45:48,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:45:48,837 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)] === [2022-12-05 18:45:48,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:48,840 INFO L85 PathProgramCache]: Analyzing trace with hash 664167957, now seen corresponding path program 1 times [2022-12-05 18:45:48,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:48,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149836931] [2022-12-05 18:45:48,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:48,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:49,195 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 18:45:49,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:49,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149836931] [2022-12-05 18:45:49,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149836931] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:49,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:49,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 18:45:49,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371939347] [2022-12-05 18:45:49,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:49,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 18:45:49,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:49,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 18:45:49,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 18:45:49,200 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 726 [2022-12-05 18:45:49,204 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 678 places, 683 transitions, 1402 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) [2022-12-05 18:45:49,204 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:49,204 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 726 [2022-12-05 18:45:49,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:49,368 INFO L130 PetriNetUnfolder]: 32/836 cut-off events. [2022-12-05 18:45:49,369 INFO L131 PetriNetUnfolder]: For 2/4 co-relation queries the response was YES. [2022-12-05 18:45:49,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 836 events. 32/836 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1398 event pairs, 0 based on Foata normal form. 0/800 useless extension candidates. Maximal degree in co-relation 383. Up to 13 conditions per place. [2022-12-05 18:45:49,373 INFO L137 encePairwiseOnDemand]: 719/726 looper letters, 24 selfloop transitions, 6 changer transitions 0/690 dead transitions. [2022-12-05 18:45:49,373 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 690 transitions, 1480 flow [2022-12-05 18:45:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 18:45:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 18:45:49,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4075 transitions. [2022-12-05 18:45:49,380 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9354912764003673 [2022-12-05 18:45:49,380 INFO L175 Difference]: Start difference. First operand has 678 places, 683 transitions, 1402 flow. Second operand 6 states and 4075 transitions. [2022-12-05 18:45:49,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 690 transitions, 1480 flow [2022-12-05 18:45:49,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 690 transitions, 1448 flow, removed 0 selfloop flow, removed 15 redundant places. [2022-12-05 18:45:49,391 INFO L231 Difference]: Finished difference. Result has 668 places, 684 transitions, 1390 flow [2022-12-05 18:45:49,391 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1370, PETRI_DIFFERENCE_MINUEND_PLACES=662, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=677, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1390, PETRI_PLACES=668, PETRI_TRANSITIONS=684} [2022-12-05 18:45:49,392 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, -3 predicate places. [2022-12-05 18:45:49,392 INFO L495 AbstractCegarLoop]: Abstraction has has 668 places, 684 transitions, 1390 flow [2022-12-05 18:45:49,394 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) [2022-12-05 18:45:49,394 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:49,394 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] [2022-12-05 18:45:49,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 18:45:49,394 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)] === [2022-12-05 18:45:49,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:49,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1189762214, now seen corresponding path program 1 times [2022-12-05 18:45:49,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:49,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992206197] [2022-12-05 18:45:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:49,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:49,801 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 18:45:49,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:49,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992206197] [2022-12-05 18:45:49,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992206197] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:45:49,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173160636] [2022-12-05 18:45:49,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:49,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:45:49,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:45:49,804 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 18:45:49,811 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 18:45:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:50,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-05 18:45:50,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:45:50,193 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 18:45:50,197 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 [2022-12-05 18:45:50,220 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 18:45:50,222 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 [2022-12-05 18:45:50,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 18:45:50,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:45:50,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173160636] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:50,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:45:50,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-05 18:45:50,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993049724] [2022-12-05 18:45:50,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:50,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 18:45:50,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:50,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 18:45:50,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-05 18:45:50,253 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 652 out of 726 [2022-12-05 18:45:50,257 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 684 transitions, 1390 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) [2022-12-05 18:45:50,257 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:50,257 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 652 of 726 [2022-12-05 18:45:50,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:50,554 INFO L130 PetriNetUnfolder]: 84/1464 cut-off events. [2022-12-05 18:45:50,554 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-05 18:45:50,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1610 conditions, 1464 events. 84/1464 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4692 event pairs, 18 based on Foata normal form. 0/1382 useless extension candidates. Maximal degree in co-relation 1388. Up to 49 conditions per place. [2022-12-05 18:45:50,559 INFO L137 encePairwiseOnDemand]: 716/726 looper letters, 50 selfloop transitions, 9 changer transitions 0/698 dead transitions. [2022-12-05 18:45:50,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 698 transitions, 1540 flow [2022-12-05 18:45:50,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 18:45:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 18:45:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 5276 transitions. [2022-12-05 18:45:50,566 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9084022038567493 [2022-12-05 18:45:50,567 INFO L175 Difference]: Start difference. First operand has 668 places, 684 transitions, 1390 flow. Second operand 8 states and 5276 transitions. [2022-12-05 18:45:50,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 698 transitions, 1540 flow [2022-12-05 18:45:50,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 698 transitions, 1530 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 18:45:50,576 INFO L231 Difference]: Finished difference. Result has 670 places, 686 transitions, 1415 flow [2022-12-05 18:45:50,577 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1376, PETRI_DIFFERENCE_MINUEND_PLACES=662, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=682, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=673, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1415, PETRI_PLACES=670, PETRI_TRANSITIONS=686} [2022-12-05 18:45:50,577 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, -1 predicate places. [2022-12-05 18:45:50,577 INFO L495 AbstractCegarLoop]: Abstraction has has 670 places, 686 transitions, 1415 flow [2022-12-05 18:45:50,579 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) [2022-12-05 18:45:50,579 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:50,579 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] [2022-12-05 18:45:50,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-05 18:45:50,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:45:50,796 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)] === [2022-12-05 18:45:50,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:50,796 INFO L85 PathProgramCache]: Analyzing trace with hash -2076573275, now seen corresponding path program 1 times [2022-12-05 18:45:50,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:50,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581590530] [2022-12-05 18:45:50,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:50,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:51,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 18:45:51,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:51,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581590530] [2022-12-05 18:45:51,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581590530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:51,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:51,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-05 18:45:51,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221446033] [2022-12-05 18:45:51,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:51,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 18:45:51,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:51,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 18:45:51,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-05 18:45:51,339 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 726 [2022-12-05 18:45:51,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 686 transitions, 1415 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) [2022-12-05 18:45:51,343 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:51,343 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 726 [2022-12-05 18:45:51,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:51,739 INFO L130 PetriNetUnfolder]: 178/2110 cut-off events. [2022-12-05 18:45:51,740 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-12-05 18:45:51,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2477 conditions, 2110 events. 178/2110 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 10679 event pairs, 18 based on Foata normal form. 0/1988 useless extension candidates. Maximal degree in co-relation 2259. Up to 91 conditions per place. [2022-12-05 18:45:51,747 INFO L137 encePairwiseOnDemand]: 718/726 looper letters, 42 selfloop transitions, 3 changer transitions 28/716 dead transitions. [2022-12-05 18:45:51,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 681 places, 716 transitions, 1643 flow [2022-12-05 18:45:51,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-05 18:45:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-05 18:45:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 7967 transitions. [2022-12-05 18:45:51,758 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.914485766758494 [2022-12-05 18:45:51,758 INFO L175 Difference]: Start difference. First operand has 670 places, 686 transitions, 1415 flow. Second operand 12 states and 7967 transitions. [2022-12-05 18:45:51,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 681 places, 716 transitions, 1643 flow [2022-12-05 18:45:51,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 676 places, 716 transitions, 1634 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-05 18:45:51,768 INFO L231 Difference]: Finished difference. Result has 684 places, 687 transitions, 1444 flow [2022-12-05 18:45:51,769 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1406, PETRI_DIFFERENCE_MINUEND_PLACES=665, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1444, PETRI_PLACES=684, PETRI_TRANSITIONS=687} [2022-12-05 18:45:51,770 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, 13 predicate places. [2022-12-05 18:45:51,770 INFO L495 AbstractCegarLoop]: Abstraction has has 684 places, 687 transitions, 1444 flow [2022-12-05 18:45:51,771 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) [2022-12-05 18:45:51,771 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:51,772 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] [2022-12-05 18:45:51,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 18:45:51,772 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)] === [2022-12-05 18:45:51,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:51,772 INFO L85 PathProgramCache]: Analyzing trace with hash -2019487543, now seen corresponding path program 1 times [2022-12-05 18:45:51,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:51,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913141309] [2022-12-05 18:45:51,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:51,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 18:45:53,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:53,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913141309] [2022-12-05 18:45:53,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913141309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:53,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:53,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-05 18:45:53,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172089352] [2022-12-05 18:45:53,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:53,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-05 18:45:53,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:53,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-05 18:45:53,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-12-05 18:45:53,144 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 726 [2022-12-05 18:45:53,151 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 684 places, 687 transitions, 1444 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) [2022-12-05 18:45:53,151 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:53,151 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 726 [2022-12-05 18:45:53,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:53,563 INFO L130 PetriNetUnfolder]: 86/1242 cut-off events. [2022-12-05 18:45:53,563 INFO L131 PetriNetUnfolder]: For 167/167 co-relation queries the response was YES. [2022-12-05 18:45:53,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1568 conditions, 1242 events. 86/1242 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 3651 event pairs, 0 based on Foata normal form. 4/1186 useless extension candidates. Maximal degree in co-relation 1425. Up to 34 conditions per place. [2022-12-05 18:45:53,569 INFO L137 encePairwiseOnDemand]: 714/726 looper letters, 0 selfloop transitions, 0 changer transitions 694/694 dead transitions. [2022-12-05 18:45:53,569 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 694 transitions, 1658 flow [2022-12-05 18:45:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-05 18:45:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-05 18:45:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 8181 transitions. [2022-12-05 18:45:53,580 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8668150031786396 [2022-12-05 18:45:53,580 INFO L175 Difference]: Start difference. First operand has 684 places, 687 transitions, 1444 flow. Second operand 13 states and 8181 transitions. [2022-12-05 18:45:53,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 686 places, 694 transitions, 1658 flow [2022-12-05 18:45:53,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 694 transitions, 1619 flow, removed 18 selfloop flow, removed 8 redundant places. [2022-12-05 18:45:53,590 INFO L231 Difference]: Finished difference. Result has 678 places, 0 transitions, 0 flow [2022-12-05 18:45:53,590 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=726, PETRI_DIFFERENCE_MINUEND_FLOW=1413, PETRI_DIFFERENCE_MINUEND_PLACES=666, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=685, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=678, PETRI_TRANSITIONS=0} [2022-12-05 18:45:53,591 INFO L294 CegarLoopForPetriNet]: 671 programPoint places, 7 predicate places. [2022-12-05 18:45:53,591 INFO L495 AbstractCegarLoop]: Abstraction has has 678 places, 0 transitions, 0 flow [2022-12-05 18:45:53,595 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) [2022-12-05 18:45:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-05 18:45:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-05 18:45:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-05 18:45:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-05 18:45:53,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-05 18:45:53,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 18:45:53,599 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-05 18:45:53,602 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 18:45:53,602 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 18:45:53,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 06:45:53 BasicIcfg [2022-12-05 18:45:53,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 18:45:53,606 INFO L158 Benchmark]: Toolchain (without parser) took 12782.44ms. Allocated memory was 173.0MB in the beginning and 478.2MB in the end (delta: 305.1MB). Free memory was 139.6MB in the beginning and 149.2MB in the end (delta: -9.6MB). Peak memory consumption was 295.5MB. Max. memory is 8.0GB. [2022-12-05 18:45:53,606 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 173.0MB. Free memory is still 149.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:45:53,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5243.32ms. Allocated memory was 173.0MB in the beginning and 277.9MB in the end (delta: 104.9MB). Free memory was 139.1MB in the beginning and 145.7MB in the end (delta: -6.6MB). Peak memory consumption was 113.6MB. Max. memory is 8.0GB. [2022-12-05 18:45:53,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.18ms. Allocated memory is still 277.9MB. Free memory was 145.7MB in the beginning and 134.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-05 18:45:53,607 INFO L158 Benchmark]: Boogie Preprocessor took 50.55ms. Allocated memory is still 277.9MB. Free memory was 134.7MB in the beginning and 128.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-05 18:45:53,608 INFO L158 Benchmark]: RCFGBuilder took 1066.97ms. Allocated memory is still 277.9MB. Free memory was 128.9MB in the beginning and 161.2MB in the end (delta: -32.4MB). Peak memory consumption was 3.3MB. Max. memory is 8.0GB. [2022-12-05 18:45:53,608 INFO L158 Benchmark]: TraceAbstraction took 6280.42ms. Allocated memory was 277.9MB in the beginning and 478.2MB in the end (delta: 200.3MB). Free memory was 160.7MB in the beginning and 149.2MB in the end (delta: 11.5MB). Peak memory consumption was 212.3MB. Max. memory is 8.0GB. [2022-12-05 18:45:53,609 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 173.0MB. Free memory is still 149.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5243.32ms. Allocated memory was 173.0MB in the beginning and 277.9MB in the end (delta: 104.9MB). Free memory was 139.1MB in the beginning and 145.7MB in the end (delta: -6.6MB). Peak memory consumption was 113.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 135.18ms. Allocated memory is still 277.9MB. Free memory was 145.7MB in the beginning and 134.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.55ms. Allocated memory is still 277.9MB. Free memory was 134.7MB in the beginning and 128.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1066.97ms. Allocated memory is still 277.9MB. Free memory was 128.9MB in the beginning and 161.2MB in the end (delta: -32.4MB). Peak memory consumption was 3.3MB. Max. memory is 8.0GB. * TraceAbstraction took 6280.42ms. Allocated memory was 277.9MB in the beginning and 478.2MB in the end (delta: 200.3MB). Free memory was 160.7MB in the beginning and 149.2MB in the end (delta: 11.5MB). Peak memory consumption was 212.3MB. 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: 6.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 308 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 308 mSDsluCounter, 616 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 485 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 716 IncrementalHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 131 mSDtfsCounter, 716 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=1444occurred in iteration=4, 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, 0.3s SatisfiabilityAnalysisTime, 3.1s 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! [2022-12-05 18:45:53,622 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...