/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_current_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 21:07:51,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 21:07:51,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 21:07:51,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 21:07:51,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 21:07:51,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 21:07:51,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 21:07:51,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 21:07:51,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 21:07:51,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 21:07:51,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 21:07:51,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 21:07:51,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 21:07:51,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 21:07:51,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 21:07:51,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 21:07:51,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 21:07:51,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 21:07:51,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 21:07:51,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 21:07:51,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 21:07:51,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 21:07:51,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 21:07:51,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 21:07:51,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 21:07:51,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 21:07:51,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 21:07:51,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 21:07:51,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 21:07:51,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 21:07:51,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 21:07:51,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 21:07:51,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 21:07:51,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 21:07:51,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 21:07:51,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 21:07:51,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 21:07:51,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 21:07:51,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 21:07:51,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 21:07:51,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 21:07:51,629 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 [2022-12-11 21:07:51,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 21:07:51,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 21:07:51,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 21:07:51,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 21:07:51,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 21:07:51,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 21:07:51,664 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 21:07:51,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 21:07:51,664 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 21:07:51,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 21:07:51,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 21:07:51,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 21:07:51,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 21:07:51,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 21:07:51,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 21:07:51,666 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 21:07:51,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 21:07:51,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 21:07:51,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 21:07:51,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 21:07:51,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 21:07:51,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 21:07:51,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 21:07:51,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:07:51,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 21:07:51,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 21:07:51,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 21:07:51,668 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 21:07:51,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 21:07:51,669 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 21:07:51,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 21:07:51,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 21:07:52,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 21:07:52,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 21:07:52,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 21:07:52,046 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 21:07:52,047 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 21:07:52,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2022-12-11 21:07:53,078 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 21:07:53,579 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 21:07:53,580 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2022-12-11 21:07:53,625 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8b08af2d/04d042b35aa44bd1991d51e4cd9406ea/FLAG8a3e2ddb6 [2022-12-11 21:07:53,649 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8b08af2d/04d042b35aa44bd1991d51e4cd9406ea [2022-12-11 21:07:53,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 21:07:53,653 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 21:07:53,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 21:07:53,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 21:07:53,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 21:07:53,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:07:53" (1/1) ... [2022-12-11 21:07:53,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea0b9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:53, skipping insertion in model container [2022-12-11 21:07:53,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:07:53" (1/1) ... [2022-12-11 21:07:53,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 21:07:53,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 21:07:54,114 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_current_pc8736x_gpio_get.i[5469,5482] [2022-12-11 21:07:54,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,469 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:54,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:54,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:54,487 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:54,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:54,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:54,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:54,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:54,520 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-11 21:07:54,528 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-11 21:07:54,534 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-11 21:07:54,545 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-11 21:07:54,703 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-11 21:07:54,713 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-11 21:07:54,868 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-11 21:07:54,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:54,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:54,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:55,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:55,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:55,227 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-11 21:07:55,233 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-11 21:07:55,239 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-11 21:07:55,380 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-11 21:07:55,381 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-11 21:07:55,387 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-11 21:07:55,388 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-11 21:07:55,581 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-11 21:07:56,008 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-11 21:07:56,022 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-11 21:07:56,085 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-11 21:07:56,089 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-11 21:07:56,311 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-11 21:07:56,599 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-11 21:07:56,605 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 21:07:56,772 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-11 21:07:57,016 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-11 21:07:57,017 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-11 21:07:57,017 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-11 21:07:57,855 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-11 21:07:57,856 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-11 21:07:57,859 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-11 21:07:57,864 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-11 21:07:57,875 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-11 21:07:58,400 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-11 21:07:58,400 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-11 21:07:58,426 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-11 21:07:58,427 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-11 21:07:58,428 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-11 21:07:58,429 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-11 21:07:58,429 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-11 21:07:58,430 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-11 21:07:58,433 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-11 21:07:58,434 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-11 21:07:58,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:07:58,471 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 21:07:58,484 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_current_pc8736x_gpio_get.i[5469,5482] [2022-12-11 21:07:58,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,495 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-11 21:07:58,495 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-11 21:07:58,496 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-11 21:07:58,496 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-11 21:07:58,500 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-11 21:07:58,501 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-11 21:07:58,504 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-11 21:07:58,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:07:58,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:07:58,521 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-11 21:07:58,522 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-11 21:07:58,522 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-11 21:07:58,525 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-11 21:07:58,525 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-11 21:07:58,525 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-11 21:07:58,526 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-11 21:07:58,532 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-11 21:07:58,545 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-11 21:07:58,546 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-11 21:07:58,548 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-11 21:07:58,548 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-11 21:07:58,554 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-11 21:07:58,559 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-11 21:07:58,560 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-11 21:07:58,563 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-11 21:07:58,567 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-11 21:07:58,567 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-11 21:07:58,567 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-11 21:07:58,656 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-11 21:07:58,657 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-11 21:07:58,659 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-11 21:07:58,661 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-11 21:07:58,663 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-11 21:07:58,698 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-11 21:07:58,699 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-11 21:07:58,703 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-11 21:07:58,704 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-11 21:07:58,705 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-11 21:07:58,705 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-11 21:07:58,706 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-11 21:07:58,706 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-11 21:07:58,706 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-11 21:07:58,707 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-11 21:07:58,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:07:59,138 INFO L208 MainTranslator]: Completed translation [2022-12-11 21:07:59,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59 WrapperNode [2022-12-11 21:07:59,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 21:07:59,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 21:07:59,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 21:07:59,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 21:07:59,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,311 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 47, statements flattened = 665 [2022-12-11 21:07:59,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 21:07:59,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 21:07:59,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 21:07:59,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 21:07:59,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 21:07:59,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 21:07:59,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 21:07:59,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 21:07:59,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (1/1) ... [2022-12-11 21:07:59,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:07:59,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:07:59,457 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) [2022-12-11 21:07:59,481 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 [2022-12-11 21:07:59,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 21:07:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-11 21:07:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 21:07:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-11 21:07:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-11 21:07:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-11 21:07:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 21:07:59,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 21:07:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-11 21:07:59,498 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-11 21:07:59,499 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-11 21:07:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 21:07:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-11 21:07:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 21:07:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 21:07:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-11 21:07:59,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 21:07:59,501 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 21:07:59,953 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 21:07:59,955 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 21:08:00,560 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 21:08:00,569 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 21:08:00,570 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2022-12-11 21:08:00,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:08:00 BoogieIcfgContainer [2022-12-11 21:08:00,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 21:08:00,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 21:08:00,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 21:08:00,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 21:08:00,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 09:07:53" (1/3) ... [2022-12-11 21:08:00,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551e1d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:08:00, skipping insertion in model container [2022-12-11 21:08:00,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:07:59" (2/3) ... [2022-12-11 21:08:00,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551e1d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:08:00, skipping insertion in model container [2022-12-11 21:08:00,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:08:00" (3/3) ... [2022-12-11 21:08:00,579 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2022-12-11 21:08:00,594 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 21:08:00,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-11 21:08:00,594 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 21:08:00,674 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-11 21:08:00,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 684 places, 731 transitions, 1478 flow [2022-12-11 21:08:00,912 INFO L130 PetriNetUnfolder]: 54/729 cut-off events. [2022-12-11 21:08:00,912 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-11 21:08:00,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 729 events. 54/729 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1042 event pairs, 0 based on Foata normal form. 0/673 useless extension candidates. Maximal degree in co-relation 652. Up to 9 conditions per place. [2022-12-11 21:08:00,921 INFO L82 GeneralOperation]: Start removeDead. Operand has 684 places, 731 transitions, 1478 flow [2022-12-11 21:08:00,929 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 674 places, 721 transitions, 1451 flow [2022-12-11 21:08:00,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 21:08:00,943 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;@4aa21093, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 21:08:00,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-11 21:08:01,024 INFO L130 PetriNetUnfolder]: 16/377 cut-off events. [2022-12-11 21:08:01,024 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:08:01,024 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:08:01,025 INFO L214 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] [2022-12-11 21:08:01,026 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:08:01,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:08:01,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1029619018, now seen corresponding path program 1 times [2022-12-11 21:08:01,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:08:01,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986743550] [2022-12-11 21:08:01,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:08:01,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:08:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:08:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:08:02,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:08:02,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986743550] [2022-12-11 21:08:02,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986743550] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:08:02,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:08:02,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-11 21:08:02,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831614224] [2022-12-11 21:08:02,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:08:02,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-11 21:08:02,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:08:02,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-11 21:08:02,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-11 21:08:02,077 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 669 out of 731 [2022-12-11 21:08:02,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 721 transitions, 1451 flow. Second operand has 9 states, 9 states have (on average 671.1111111111111) internal successors, (6040), 9 states have internal predecessors, (6040), 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) [2022-12-11 21:08:02,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:08:02,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 669 of 731 [2022-12-11 21:08:02,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:08:02,459 INFO L130 PetriNetUnfolder]: 29/691 cut-off events. [2022-12-11 21:08:02,459 INFO L131 PetriNetUnfolder]: For 5/6 co-relation queries the response was YES. [2022-12-11 21:08:02,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 691 events. 29/691 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 941 event pairs, 0 based on Foata normal form. 16/675 useless extension candidates. Maximal degree in co-relation 656. Up to 12 conditions per place. [2022-12-11 21:08:02,464 INFO L137 encePairwiseOnDemand]: 690/731 looper letters, 18 selfloop transitions, 16 changer transitions 1/691 dead transitions. [2022-12-11 21:08:02,465 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 684 places, 691 transitions, 1459 flow [2022-12-11 21:08:02,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-11 21:08:02,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-11 21:08:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 10763 transitions. [2022-12-11 21:08:02,498 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9202291381668947 [2022-12-11 21:08:02,501 INFO L295 CegarLoopForPetriNet]: 674 programPoint places, 10 predicate places. [2022-12-11 21:08:02,501 INFO L82 GeneralOperation]: Start removeDead. Operand has 684 places, 691 transitions, 1459 flow [2022-12-11 21:08:02,507 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 683 places, 690 transitions, 1457 flow [2022-12-11 21:08:02,508 INFO L495 AbstractCegarLoop]: Abstraction has has 683 places, 690 transitions, 1457 flow [2022-12-11 21:08:02,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 671.1111111111111) internal successors, (6040), 9 states have internal predecessors, (6040), 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) [2022-12-11 21:08:02,512 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:08:02,512 INFO L214 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] [2022-12-11 21:08:02,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 21:08:02,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:08:02,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:08:02,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2003443993, now seen corresponding path program 1 times [2022-12-11 21:08:02,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:08:02,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574207142] [2022-12-11 21:08:02,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:08:02,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:08:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:08:03,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:08:03,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:08:03,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574207142] [2022-12-11 21:08:03,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574207142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:08:03,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:08:03,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 21:08:03,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010645400] [2022-12-11 21:08:03,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:08:03,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 21:08:03,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:08:03,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 21:08:03,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 21:08:03,335 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 662 out of 731 [2022-12-11 21:08:03,339 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 683 places, 690 transitions, 1457 flow. Second operand has 6 states, 6 states have (on average 666.6666666666666) internal successors, (4000), 6 states have internal predecessors, (4000), 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) [2022-12-11 21:08:03,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:08:03,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 662 of 731 [2022-12-11 21:08:03,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:08:03,672 INFO L130 PetriNetUnfolder]: 46/950 cut-off events. [2022-12-11 21:08:03,672 INFO L131 PetriNetUnfolder]: For 32/42 co-relation queries the response was YES. [2022-12-11 21:08:03,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1062 conditions, 950 events. 46/950 cut-off events. For 32/42 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 2003 event pairs, 0 based on Foata normal form. 0/901 useless extension candidates. Maximal degree in co-relation 905. Up to 31 conditions per place. [2022-12-11 21:08:03,681 INFO L137 encePairwiseOnDemand]: 721/731 looper letters, 44 selfloop transitions, 9 changer transitions 0/701 dead transitions. [2022-12-11 21:08:03,682 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 688 places, 701 transitions, 1610 flow [2022-12-11 21:08:03,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-11 21:08:03,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-11 21:08:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 5350 transitions. [2022-12-11 21:08:03,694 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.91484268125855 [2022-12-11 21:08:03,697 INFO L295 CegarLoopForPetriNet]: 674 programPoint places, 14 predicate places. [2022-12-11 21:08:03,699 INFO L82 GeneralOperation]: Start removeDead. Operand has 688 places, 701 transitions, 1610 flow [2022-12-11 21:08:03,706 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 688 places, 701 transitions, 1610 flow [2022-12-11 21:08:03,707 INFO L495 AbstractCegarLoop]: Abstraction has has 688 places, 701 transitions, 1610 flow [2022-12-11 21:08:03,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 666.6666666666666) internal successors, (4000), 6 states have internal predecessors, (4000), 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) [2022-12-11 21:08:03,709 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:08:03,710 INFO L214 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] [2022-12-11 21:08:03,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 21:08:03,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:08:03,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:08:03,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1742624702, now seen corresponding path program 1 times [2022-12-11 21:08:03,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:08:03,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044560342] [2022-12-11 21:08:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:08:03,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:08:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:08:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:08:04,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:08:04,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044560342] [2022-12-11 21:08:04,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044560342] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:08:04,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:08:04,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-11 21:08:04,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151878016] [2022-12-11 21:08:04,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:08:04,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-11 21:08:04,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:08:04,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-11 21:08:04,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-11 21:08:04,188 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 681 out of 731 [2022-12-11 21:08:04,192 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 701 transitions, 1610 flow. Second operand has 5 states, 5 states have (on average 682.6) internal successors, (3413), 5 states have internal predecessors, (3413), 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) [2022-12-11 21:08:04,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:08:04,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 681 of 731 [2022-12-11 21:08:04,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:08:04,423 INFO L130 PetriNetUnfolder]: 57/1110 cut-off events. [2022-12-11 21:08:04,424 INFO L131 PetriNetUnfolder]: For 89/113 co-relation queries the response was YES. [2022-12-11 21:08:04,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 1110 events. 57/1110 cut-off events. For 89/113 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2641 event pairs, 0 based on Foata normal form. 0/1048 useless extension candidates. Maximal degree in co-relation 1038. Up to 32 conditions per place. [2022-12-11 21:08:04,434 INFO L137 encePairwiseOnDemand]: 724/731 looper letters, 28 selfloop transitions, 6 changer transitions 0/708 dead transitions. [2022-12-11 21:08:04,434 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 708 transitions, 1717 flow [2022-12-11 21:08:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-11 21:08:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-11 21:08:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4117 transitions. [2022-12-11 21:08:04,442 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9386684906520748 [2022-12-11 21:08:04,443 INFO L295 CegarLoopForPetriNet]: 674 programPoint places, 19 predicate places. [2022-12-11 21:08:04,444 INFO L82 GeneralOperation]: Start removeDead. Operand has 693 places, 708 transitions, 1717 flow [2022-12-11 21:08:04,450 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 693 places, 708 transitions, 1717 flow [2022-12-11 21:08:04,450 INFO L495 AbstractCegarLoop]: Abstraction has has 693 places, 708 transitions, 1717 flow [2022-12-11 21:08:04,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 682.6) internal successors, (3413), 5 states have internal predecessors, (3413), 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) [2022-12-11 21:08:04,452 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:08:04,453 INFO L214 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] [2022-12-11 21:08:04,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 21:08:04,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:08:04,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:08:04,454 INFO L85 PathProgramCache]: Analyzing trace with hash -850296806, now seen corresponding path program 1 times [2022-12-11 21:08:04,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:08:04,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782143292] [2022-12-11 21:08:04,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:08:04,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:08:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:08:04,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:08:04,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:08:04,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782143292] [2022-12-11 21:08:04,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782143292] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 21:08:04,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923930576] [2022-12-11 21:08:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:08:04,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 21:08:04,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:08:04,969 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) [2022-12-11 21:08:05,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-11 21:08:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:08:05,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-11 21:08:05,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 21:08:05,494 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 [2022-12-11 21:08:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-11 21:08:05,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-11 21:08:05,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923930576] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:08:05,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-11 21:08:05,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-12-11 21:08:05,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214277619] [2022-12-11 21:08:05,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:08:05,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 21:08:05,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:08:05,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 21:08:05,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-11 21:08:05,540 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 649 out of 731 [2022-12-11 21:08:05,545 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 693 places, 708 transitions, 1717 flow. Second operand has 7 states, 7 states have (on average 654.2857142857143) internal successors, (4580), 7 states have internal predecessors, (4580), 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) [2022-12-11 21:08:05,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:08:05,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 649 of 731 [2022-12-11 21:08:05,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:08:06,167 INFO L130 PetriNetUnfolder]: 393/2007 cut-off events. [2022-12-11 21:08:06,167 INFO L131 PetriNetUnfolder]: For 960/1260 co-relation queries the response was YES. [2022-12-11 21:08:06,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3012 conditions, 2007 events. 393/2007 cut-off events. For 960/1260 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10166 event pairs, 63 based on Foata normal form. 9/1861 useless extension candidates. Maximal degree in co-relation 1103. Up to 189 conditions per place. [2022-12-11 21:08:06,176 INFO L137 encePairwiseOnDemand]: 723/731 looper letters, 0 selfloop transitions, 0 changer transitions 748/748 dead transitions. [2022-12-11 21:08:06,177 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 699 places, 748 transitions, 2204 flow [2022-12-11 21:08:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 21:08:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 21:08:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 5924 transitions. [2022-12-11 21:08:06,189 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9004407964736282 [2022-12-11 21:08:06,190 INFO L295 CegarLoopForPetriNet]: 674 programPoint places, 25 predicate places. [2022-12-11 21:08:06,191 INFO L82 GeneralOperation]: Start removeDead. Operand has 699 places, 748 transitions, 2204 flow [2022-12-11 21:08:06,193 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-11 21:08:06,193 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-11 21:08:06,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 654.2857142857143) internal successors, (4580), 7 states have internal predecessors, (4580), 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) [2022-12-11 21:08:06,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-11 21:08:06,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-11 21:08:06,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-11 21:08:06,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-11 21:08:06,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-11 21:08:06,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-11 21:08:06,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 21:08:06,413 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-11 21:08:06,418 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 21:08:06,418 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 21:08:06,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 09:08:06 BasicIcfg [2022-12-11 21:08:06,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 21:08:06,424 INFO L158 Benchmark]: Toolchain (without parser) took 12771.11ms. Allocated memory was 184.5MB in the beginning and 465.6MB in the end (delta: 281.0MB). Free memory was 149.3MB in the beginning and 338.1MB in the end (delta: -188.8MB). Peak memory consumption was 93.5MB. Max. memory is 8.0GB. [2022-12-11 21:08:06,424 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:08:06,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5484.29ms. Allocated memory was 184.5MB in the beginning and 310.4MB in the end (delta: 125.8MB). Free memory was 149.3MB in the beginning and 158.6MB in the end (delta: -9.3MB). Peak memory consumption was 127.2MB. Max. memory is 8.0GB. [2022-12-11 21:08:06,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.04ms. Allocated memory is still 310.4MB. Free memory was 158.6MB in the beginning and 147.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-11 21:08:06,425 INFO L158 Benchmark]: Boogie Preprocessor took 103.86ms. Allocated memory is still 310.4MB. Free memory was 147.6MB in the beginning and 250.6MB in the end (delta: -103.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-12-11 21:08:06,426 INFO L158 Benchmark]: RCFGBuilder took 1154.73ms. Allocated memory is still 310.4MB. Free memory was 250.6MB in the beginning and 189.8MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2022-12-11 21:08:06,426 INFO L158 Benchmark]: TraceAbstraction took 5849.38ms. Allocated memory was 310.4MB in the beginning and 465.6MB in the end (delta: 155.2MB). Free memory was 188.7MB in the beginning and 338.1MB in the end (delta: -149.3MB). Peak memory consumption was 5.8MB. Max. memory is 8.0GB. [2022-12-11 21:08:06,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 184.5MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5484.29ms. Allocated memory was 184.5MB in the beginning and 310.4MB in the end (delta: 125.8MB). Free memory was 149.3MB in the beginning and 158.6MB in the end (delta: -9.3MB). Peak memory consumption was 127.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 173.04ms. Allocated memory is still 310.4MB. Free memory was 158.6MB in the beginning and 147.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 103.86ms. Allocated memory is still 310.4MB. Free memory was 147.6MB in the beginning and 250.6MB in the end (delta: -103.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1154.73ms. Allocated memory is still 310.4MB. Free memory was 250.6MB in the beginning and 189.8MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. * TraceAbstraction took 5849.38ms. Allocated memory was 310.4MB in the beginning and 465.6MB in the end (delta: 155.2MB). Free memory was 188.7MB in the beginning and 338.1MB in the end (delta: -149.3MB). Peak memory consumption was 5.8MB. 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, 789 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 218 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 218 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 278 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 429 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 101 mSDtfsCounter, 429 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 307 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1717occurred in iteration=3, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2206 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1230 NumberOfCodeBlocks, 1230 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 1426 SizeOfPredicates, 8 NumberOfNonLiveVariables, 977 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 1/2 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! [2022-12-11 21:08:06,444 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...