/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_change_pc8736x_gpio_current.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 18:43:17,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:43:17,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:43:17,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:43:17,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:43:17,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:43:17,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:43:17,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:43:17,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:43:17,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:43:17,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:43:17,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:43:17,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:43:17,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:43:17,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:43:17,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:43:17,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:43:17,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:43:17,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:43:17,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:43:17,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:43:17,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:43:17,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:43:17,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:43:17,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 18:43:17,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 18:43:17,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 18:43:17,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 18:43:17,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 18:43:17,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 18:43:17,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 18:43:17,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 18:43:17,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 18:43:17,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 18:43:17,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 18:43:17,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 18:43:17,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 18:43:17,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 18:43:17,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:43:17,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:43:17,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:43:17,490 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 18:43:17,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:43:17,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:43:17,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:43:17,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:43:17,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:43:17,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:43:17,526 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:43:17,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:43:17,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:43:17,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:43:17,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:43:17,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:43:17,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:43:17,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:43:17,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:43:17,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:43:17,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:43:17,528 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:43:17,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:43:17,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:43:17,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:43:17,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:43:17,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:43:17,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:43:17,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:43:17,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:43:17,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:43:17,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:43:17,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:43:17,529 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:43:17,530 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:43:17,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:43:17,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:43:17,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:43:17,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:43:17,839 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:43:17,839 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:43:17,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2022-12-05 18:43:19,018 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:43:19,587 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:43:19,588 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2022-12-05 18:43:19,637 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cabab734d/df98dbd3bbf54ed4a9f1db47ce545b24/FLAGa92a40fb2 [2022-12-05 18:43:19,658 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cabab734d/df98dbd3bbf54ed4a9f1db47ce545b24 [2022-12-05 18:43:19,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:43:19,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:43:19,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:43:19,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:43:19,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:43:19,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:43:19" (1/1) ... [2022-12-05 18:43:19,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e611be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:19, skipping insertion in model container [2022-12-05 18:43:19,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:43:19" (1/1) ... [2022-12-05 18:43:19,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:43:19,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:43:20,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i[5469,5482] [2022-12-05 18:43:20,574 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:20,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:20,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:20,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:20,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:20,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:20,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:20,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:20,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:20,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:20,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:20,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:20,621 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:20,622 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:20,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:20,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:20,644 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:43:20,653 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:43:20,661 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:43:20,673 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:43:20,805 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:43:20,813 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:43:20,948 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:43:21,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:21,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:21,053 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:21,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:21,060 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:21,061 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:21,256 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:43:21,261 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:43:21,266 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:43:21,345 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:43:21,346 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:43:21,349 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:43:21,349 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:43:21,547 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:43:21,984 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:43:21,994 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:43:22,054 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:43:22,056 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:43:22,426 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:43:22,846 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:43:22,853 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:43:23,022 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:43:23,192 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:43:23,193 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:43:23,193 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:43:24,522 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:43:24,522 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:43:24,526 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:43:24,531 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:43:24,534 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:43:25,322 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:43:25,322 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:43:25,363 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 18:43:25,364 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 18:43:25,366 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 18:43:25,367 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:43:25,368 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 18:43:25,368 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 18:43:25,371 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:43:25,372 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 18:43:25,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:43:25,429 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:43:25,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i[5469,5482] [2022-12-05 18:43:25,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,473 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:43:25,473 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:43:25,474 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:43:25,475 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:43:25,478 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:43:25,480 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:43:25,484 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:43:25,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:43:25,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:43:25,513 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:43:25,514 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:43:25,514 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:43:25,517 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:43:25,517 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:43:25,517 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:43:25,518 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:43:25,527 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:43:25,539 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:43:25,541 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:43:25,543 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:43:25,543 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:43:25,551 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:43:25,556 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:43:25,557 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:43:25,562 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:43:25,566 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:43:25,567 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:43:25,567 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:43:25,639 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:43:25,639 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:43:25,641 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:43:25,649 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:43:25,653 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:43:25,694 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:43:25,695 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:43:25,699 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 18:43:25,700 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 18:43:25,701 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 18:43:25,701 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:43:25,702 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 18:43:25,702 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 18:43:25,703 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:43:25,703 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 18:43:25,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:43:26,280 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:43:26,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26 WrapperNode [2022-12-05 18:43:26,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:43:26,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:43:26,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:43:26,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:43:26,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,445 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 778 [2022-12-05 18:43:26,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:43:26,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:43:26,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:43:26,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:43:26,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,513 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:43:26,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:43:26,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:43:26,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:43:26,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (1/1) ... [2022-12-05 18:43:26,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:43:26,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:43:26,572 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 18:43:26,595 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 18:43:26,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:43:26,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-05 18:43:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-05 18:43:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:43:26,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:43:26,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:43:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 18:43:26,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:43:26,622 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 18:43:27,183 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:43:27,184 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:43:27,973 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:43:27,990 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:43:27,990 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2022-12-05 18:43:27,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:43:27 BoogieIcfgContainer [2022-12-05 18:43:27,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:43:27,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:43:27,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:43:27,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:43:27,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:43:19" (1/3) ... [2022-12-05 18:43:27,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340372a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:43:27, skipping insertion in model container [2022-12-05 18:43:27,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:43:26" (2/3) ... [2022-12-05 18:43:27,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340372a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:43:27, skipping insertion in model container [2022-12-05 18:43:27,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:43:27" (3/3) ... [2022-12-05 18:43:28,000 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2022-12-05 18:43:28,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:43:28,017 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-05 18:43:28,017 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:43:28,157 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 18:43:28,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 797 places, 862 transitions, 1740 flow [2022-12-05 18:43:28,534 INFO L130 PetriNetUnfolder]: 72/860 cut-off events. [2022-12-05 18:43:28,535 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 18:43:28,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 860 events. 72/860 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1458 event pairs, 0 based on Foata normal form. 0/784 useless extension candidates. Maximal degree in co-relation 658. Up to 9 conditions per place. [2022-12-05 18:43:28,549 INFO L82 GeneralOperation]: Start removeDead. Operand has 797 places, 862 transitions, 1740 flow [2022-12-05 18:43:28,560 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 787 places, 852 transitions, 1713 flow [2022-12-05 18:43:28,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:43:28,581 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;@3ff21c5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:43:28,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-05 18:43:28,653 INFO L130 PetriNetUnfolder]: 14/344 cut-off events. [2022-12-05 18:43:28,654 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 18:43:28,654 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:28,655 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] [2022-12-05 18:43:28,655 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 6 more)] === [2022-12-05 18:43:28,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:28,660 INFO L85 PathProgramCache]: Analyzing trace with hash 540658277, now seen corresponding path program 1 times [2022-12-05 18:43:28,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:28,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90213477] [2022-12-05 18:43:28,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:28,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:29,621 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 18:43:29,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:29,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90213477] [2022-12-05 18:43:29,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90213477] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:29,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:29,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-05 18:43:29,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028986353] [2022-12-05 18:43:29,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:29,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-05 18:43:29,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:29,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-05 18:43:29,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-05 18:43:29,679 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 792 out of 862 [2022-12-05 18:43:29,693 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 852 transitions, 1713 flow. Second operand has 9 states, 9 states have (on average 794.0) internal successors, (7146), 9 states have internal predecessors, (7146), 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 18:43:29,694 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:29,694 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 792 of 862 [2022-12-05 18:43:29,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:30,119 INFO L130 PetriNetUnfolder]: 41/814 cut-off events. [2022-12-05 18:43:30,120 INFO L131 PetriNetUnfolder]: For 6/7 co-relation queries the response was YES. [2022-12-05 18:43:30,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 814 events. 41/814 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1310 event pairs, 0 based on Foata normal form. 20/788 useless extension candidates. Maximal degree in co-relation 662. Up to 12 conditions per place. [2022-12-05 18:43:30,126 INFO L137 encePairwiseOnDemand]: 815/862 looper letters, 18 selfloop transitions, 16 changer transitions 1/814 dead transitions. [2022-12-05 18:43:30,127 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 795 places, 814 transitions, 1705 flow [2022-12-05 18:43:30,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-05 18:43:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-05 18:43:30,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 12737 transitions. [2022-12-05 18:43:30,168 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9235063805104409 [2022-12-05 18:43:30,170 INFO L175 Difference]: Start difference. First operand has 787 places, 852 transitions, 1713 flow. Second operand 16 states and 12737 transitions. [2022-12-05 18:43:30,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 795 places, 814 transitions, 1705 flow [2022-12-05 18:43:30,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 792 places, 814 transitions, 1700 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 18:43:30,200 INFO L231 Difference]: Finished difference. Result has 792 places, 813 transitions, 1662 flow [2022-12-05 18:43:30,203 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=1632, PETRI_DIFFERENCE_MINUEND_PLACES=777, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=814, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=798, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1662, PETRI_PLACES=792, PETRI_TRANSITIONS=813} [2022-12-05 18:43:30,210 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 5 predicate places. [2022-12-05 18:43:30,211 INFO L495 AbstractCegarLoop]: Abstraction has has 792 places, 813 transitions, 1662 flow [2022-12-05 18:43:30,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 794.0) internal successors, (7146), 9 states have internal predecessors, (7146), 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 18:43:30,215 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:30,216 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 18:43:30,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:43:30,217 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 6 more)] === [2022-12-05 18:43:30,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:30,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1951905616, now seen corresponding path program 1 times [2022-12-05 18:43:30,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:30,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389403423] [2022-12-05 18:43:30,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:30,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:30,798 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 18:43:30,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:30,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389403423] [2022-12-05 18:43:30,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389403423] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:30,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:30,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 18:43:30,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126706306] [2022-12-05 18:43:30,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:30,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 18:43:30,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:30,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 18:43:30,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 18:43:30,808 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 804 out of 862 [2022-12-05 18:43:30,813 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 792 places, 813 transitions, 1662 flow. Second operand has 5 states, 5 states have (on average 805.2) internal successors, (4026), 5 states have internal predecessors, (4026), 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 18:43:30,814 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:30,814 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 804 of 862 [2022-12-05 18:43:30,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:31,080 INFO L130 PetriNetUnfolder]: 64/1096 cut-off events. [2022-12-05 18:43:31,080 INFO L131 PetriNetUnfolder]: For 2/4 co-relation queries the response was YES. [2022-12-05 18:43:31,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1151 conditions, 1096 events. 64/1096 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1904 event pairs, 0 based on Foata normal form. 0/1024 useless extension candidates. Maximal degree in co-relation 513. Up to 13 conditions per place. [2022-12-05 18:43:31,091 INFO L137 encePairwiseOnDemand]: 855/862 looper letters, 24 selfloop transitions, 6 changer transitions 0/820 dead transitions. [2022-12-05 18:43:31,091 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 820 transitions, 1740 flow [2022-12-05 18:43:31,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 18:43:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 18:43:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4855 transitions. [2022-12-05 18:43:31,106 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.938708430007734 [2022-12-05 18:43:31,106 INFO L175 Difference]: Start difference. First operand has 792 places, 813 transitions, 1662 flow. Second operand 6 states and 4855 transitions. [2022-12-05 18:43:31,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 796 places, 820 transitions, 1740 flow [2022-12-05 18:43:31,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 781 places, 820 transitions, 1708 flow, removed 0 selfloop flow, removed 15 redundant places. [2022-12-05 18:43:31,126 INFO L231 Difference]: Finished difference. Result has 782 places, 814 transitions, 1650 flow [2022-12-05 18:43:31,127 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=1630, PETRI_DIFFERENCE_MINUEND_PLACES=776, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=813, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=807, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1650, PETRI_PLACES=782, PETRI_TRANSITIONS=814} [2022-12-05 18:43:31,128 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, -5 predicate places. [2022-12-05 18:43:31,128 INFO L495 AbstractCegarLoop]: Abstraction has has 782 places, 814 transitions, 1650 flow [2022-12-05 18:43:31,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 805.2) internal successors, (4026), 5 states have internal predecessors, (4026), 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 18:43:31,131 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:31,131 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 18:43:31,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 18:43:31,132 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 18:43:31,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:31,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1508157392, now seen corresponding path program 1 times [2022-12-05 18:43:31,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:31,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618738323] [2022-12-05 18:43:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:31,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:31,675 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 18:43:31,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:31,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618738323] [2022-12-05 18:43:31,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618738323] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:43:31,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350585161] [2022-12-05 18:43:31,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:31,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:31,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:43:31,683 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 18:43:31,729 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 18:43:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:32,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-05 18:43:32,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:43:32,200 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 18:43:32,226 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 18:43:32,256 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 18:43:32,260 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 18:43:32,297 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 18:43:32,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:43:32,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350585161] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:32,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:43:32,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-05 18:43:32,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365996811] [2022-12-05 18:43:32,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:32,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 18:43:32,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:32,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 18:43:32,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-05 18:43:32,307 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 784 out of 862 [2022-12-05 18:43:32,313 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 782 places, 814 transitions, 1650 flow. Second operand has 6 states, 6 states have (on average 788.8333333333334) internal successors, (4733), 6 states have internal predecessors, (4733), 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 18:43:32,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:32,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 784 of 862 [2022-12-05 18:43:32,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:32,732 INFO L130 PetriNetUnfolder]: 96/1491 cut-off events. [2022-12-05 18:43:32,732 INFO L131 PetriNetUnfolder]: For 7/13 co-relation queries the response was YES. [2022-12-05 18:43:32,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1583 conditions, 1491 events. 96/1491 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 4350 event pairs, 3 based on Foata normal form. 0/1385 useless extension candidates. Maximal degree in co-relation 1361. Up to 35 conditions per place. [2022-12-05 18:43:32,747 INFO L137 encePairwiseOnDemand]: 852/862 looper letters, 46 selfloop transitions, 9 changer transitions 0/826 dead transitions. [2022-12-05 18:43:32,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 787 places, 826 transitions, 1788 flow [2022-12-05 18:43:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 18:43:32,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 18:43:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 6328 transitions. [2022-12-05 18:43:32,759 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9176334106728539 [2022-12-05 18:43:32,759 INFO L175 Difference]: Start difference. First operand has 782 places, 814 transitions, 1650 flow. Second operand 8 states and 6328 transitions. [2022-12-05 18:43:32,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 787 places, 826 transitions, 1788 flow [2022-12-05 18:43:32,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 783 places, 826 transitions, 1778 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 18:43:32,774 INFO L231 Difference]: Finished difference. Result has 784 places, 816 transitions, 1675 flow [2022-12-05 18:43:32,775 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=1636, PETRI_DIFFERENCE_MINUEND_PLACES=776, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=812, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=803, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1675, PETRI_PLACES=784, PETRI_TRANSITIONS=816} [2022-12-05 18:43:32,776 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, -3 predicate places. [2022-12-05 18:43:32,776 INFO L495 AbstractCegarLoop]: Abstraction has has 784 places, 816 transitions, 1675 flow [2022-12-05 18:43:32,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 788.8333333333334) internal successors, (4733), 6 states have internal predecessors, (4733), 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 18:43:32,779 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:32,779 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] [2022-12-05 18:43:32,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-05 18:43:32,986 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 18:43:32,986 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 6 more)] === [2022-12-05 18:43:32,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:32,987 INFO L85 PathProgramCache]: Analyzing trace with hash -96206837, now seen corresponding path program 1 times [2022-12-05 18:43:32,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:32,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762142371] [2022-12-05 18:43:32,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:32,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:33,498 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 18:43:33,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:33,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762142371] [2022-12-05 18:43:33,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762142371] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:43:33,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316150753] [2022-12-05 18:43:33,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:33,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:33,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:43:33,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:43:33,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-05 18:43:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:33,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-05 18:43:33,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:43:33,967 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 18:43:34,008 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 18:43:34,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:43:34,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316150753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:34,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:43:34,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-12-05 18:43:34,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501475348] [2022-12-05 18:43:34,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:34,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 18:43:34,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:34,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 18:43:34,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-05 18:43:34,017 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 765 out of 862 [2022-12-05 18:43:34,023 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 784 places, 816 transitions, 1675 flow. Second operand has 7 states, 7 states have (on average 770.0) internal successors, (5390), 7 states have internal predecessors, (5390), 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 18:43:34,024 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:34,024 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 765 of 862 [2022-12-05 18:43:34,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:36,569 INFO L130 PetriNetUnfolder]: 2624/10272 cut-off events. [2022-12-05 18:43:36,569 INFO L131 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2022-12-05 18:43:36,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14183 conditions, 10272 events. 2624/10272 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 90213 event pairs, 826 based on Foata normal form. 0/8872 useless extension candidates. Maximal degree in co-relation 13961. Up to 1635 conditions per place. [2022-12-05 18:43:36,654 INFO L137 encePairwiseOnDemand]: 852/862 looper letters, 184 selfloop transitions, 24 changer transitions 0/958 dead transitions. [2022-12-05 18:43:36,654 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 958 transitions, 2399 flow [2022-12-05 18:43:36,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-05 18:43:36,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-05 18:43:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 10151 transitions. [2022-12-05 18:43:36,674 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9058540067820811 [2022-12-05 18:43:36,675 INFO L175 Difference]: Start difference. First operand has 784 places, 816 transitions, 1675 flow. Second operand 13 states and 10151 transitions. [2022-12-05 18:43:36,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 796 places, 958 transitions, 2399 flow [2022-12-05 18:43:36,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 791 places, 958 transitions, 2390 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-05 18:43:36,694 INFO L231 Difference]: Finished difference. Result has 796 places, 843 transitions, 1816 flow [2022-12-05 18:43:36,695 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=1666, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=816, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=807, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1816, PETRI_PLACES=796, PETRI_TRANSITIONS=843} [2022-12-05 18:43:36,697 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 9 predicate places. [2022-12-05 18:43:36,697 INFO L495 AbstractCegarLoop]: Abstraction has has 796 places, 843 transitions, 1816 flow [2022-12-05 18:43:36,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 770.0) internal successors, (5390), 7 states have internal predecessors, (5390), 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 18:43:36,701 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:36,701 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] [2022-12-05 18:43:36,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-05 18:43:36,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-05 18:43:36,909 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 6 more)] === [2022-12-05 18:43:36,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:36,910 INFO L85 PathProgramCache]: Analyzing trace with hash -262937503, now seen corresponding path program 1 times [2022-12-05 18:43:36,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:36,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123117764] [2022-12-05 18:43:36,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:36,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:37,519 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 18:43:37,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:37,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123117764] [2022-12-05 18:43:37,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123117764] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:43:37,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641534786] [2022-12-05 18:43:37,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:37,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:37,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:43:37,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:43:37,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-05 18:43:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:37,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 83 conjunts are in the unsatisfiable core [2022-12-05 18:43:37,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:43:38,211 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-05 18:43:38,271 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,369 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:43:38,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:43:38,419 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,463 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,512 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,559 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,605 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,652 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,693 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,734 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,789 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,826 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,874 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,913 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:38,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:38,966 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:43:38,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:43:39,003 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:39,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:39,050 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:39,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:39,089 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:39,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:39,132 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:43:39,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:43:39,183 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:43:39,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:43:39,333 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:43:39,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-05 18:43:39,479 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-05 18:43:39,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-05 18:43:39,814 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:39,814 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 27 [2022-12-05 18:43:39,882 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-05 18:43:39,882 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-05 18:43:39,962 INFO L321 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-12-05 18:43:39,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 30 [2022-12-05 18:43:40,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-05 18:43:40,145 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 18:43:40,191 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 18:43:40,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:43:40,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641534786] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:40,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:43:40,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2022-12-05 18:43:40,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603930234] [2022-12-05 18:43:40,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:40,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-05 18:43:40,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:40,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-05 18:43:40,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2022-12-05 18:43:40,205 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 707 out of 862 [2022-12-05 18:43:40,218 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 843 transitions, 1816 flow. Second operand has 16 states, 16 states have (on average 712.25) internal successors, (11396), 16 states have internal predecessors, (11396), 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 18:43:40,218 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:40,218 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 707 of 862 [2022-12-05 18:43:40,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:43,752 INFO L130 PetriNetUnfolder]: 2804/11794 cut-off events. [2022-12-05 18:43:43,752 INFO L131 PetriNetUnfolder]: For 681/1069 co-relation queries the response was YES. [2022-12-05 18:43:43,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16929 conditions, 11794 events. 2804/11794 cut-off events. For 681/1069 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 106470 event pairs, 346 based on Foata normal form. 146/10538 useless extension candidates. Maximal degree in co-relation 16658. Up to 1188 conditions per place. [2022-12-05 18:43:43,827 INFO L137 encePairwiseOnDemand]: 842/862 looper letters, 200 selfloop transitions, 51 changer transitions 0/949 dead transitions. [2022-12-05 18:43:43,827 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 817 places, 949 transitions, 2586 flow [2022-12-05 18:43:43,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-05 18:43:43,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-12-05 18:43:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 15780 transitions. [2022-12-05 18:43:43,855 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8321029318709133 [2022-12-05 18:43:43,855 INFO L175 Difference]: Start difference. First operand has 796 places, 843 transitions, 1816 flow. Second operand 22 states and 15780 transitions. [2022-12-05 18:43:43,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 817 places, 949 transitions, 2586 flow [2022-12-05 18:43:43,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 817 places, 949 transitions, 2586 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 18:43:43,921 INFO L231 Difference]: Finished difference. Result has 822 places, 862 transitions, 2047 flow [2022-12-05 18:43:43,923 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=1816, PETRI_DIFFERENCE_MINUEND_PLACES=796, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=843, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=804, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2047, PETRI_PLACES=822, PETRI_TRANSITIONS=862} [2022-12-05 18:43:43,923 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 35 predicate places. [2022-12-05 18:43:43,923 INFO L495 AbstractCegarLoop]: Abstraction has has 822 places, 862 transitions, 2047 flow [2022-12-05 18:43:43,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 712.25) internal successors, (11396), 16 states have internal predecessors, (11396), 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 18:43:43,930 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:43,931 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:43:43,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-05 18:43:44,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:44,139 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 18:43:44,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:44,140 INFO L85 PathProgramCache]: Analyzing trace with hash -496870501, now seen corresponding path program 1 times [2022-12-05 18:43:44,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:44,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734321007] [2022-12-05 18:43:44,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:44,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:44,761 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 18:43:44,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:44,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734321007] [2022-12-05 18:43:44,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734321007] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:43:44,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780822482] [2022-12-05 18:43:44,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:44,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:44,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:43:44,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:43:44,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-05 18:43:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:45,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-05 18:43:45,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:43:45,205 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 18:43:45,239 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 18:43:45,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:43:45,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780822482] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:45,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:43:45,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-12-05 18:43:45,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334437075] [2022-12-05 18:43:45,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:45,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 18:43:45,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:45,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 18:43:45,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-12-05 18:43:45,246 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 760 out of 862 [2022-12-05 18:43:45,259 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 822 places, 862 transitions, 2047 flow. Second operand has 7 states, 7 states have (on average 765.2857142857143) internal successors, (5357), 7 states have internal predecessors, (5357), 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 18:43:45,259 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:45,260 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 760 of 862 [2022-12-05 18:43:45,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:47,213 INFO L130 PetriNetUnfolder]: 1872/9574 cut-off events. [2022-12-05 18:43:47,214 INFO L131 PetriNetUnfolder]: For 2648/3106 co-relation queries the response was YES. [2022-12-05 18:43:47,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13867 conditions, 9574 events. 1872/9574 cut-off events. For 2648/3106 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 85724 event pairs, 346 based on Foata normal form. 262/8990 useless extension candidates. Maximal degree in co-relation 13629. Up to 891 conditions per place. [2022-12-05 18:43:47,290 INFO L137 encePairwiseOnDemand]: 851/862 looper letters, 123 selfloop transitions, 28 changer transitions 0/914 dead transitions. [2022-12-05 18:43:47,290 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 830 places, 914 transitions, 2613 flow [2022-12-05 18:43:47,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-05 18:43:47,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-05 18:43:47,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 8472 transitions. [2022-12-05 18:43:47,304 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8934823876819237 [2022-12-05 18:43:47,305 INFO L175 Difference]: Start difference. First operand has 822 places, 862 transitions, 2047 flow. Second operand 11 states and 8472 transitions. [2022-12-05 18:43:47,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 830 places, 914 transitions, 2613 flow [2022-12-05 18:43:47,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 820 places, 914 transitions, 2576 flow, removed 6 selfloop flow, removed 10 redundant places. [2022-12-05 18:43:47,327 INFO L231 Difference]: Finished difference. Result has 820 places, 860 transitions, 2066 flow [2022-12-05 18:43:47,329 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=2010, PETRI_DIFFERENCE_MINUEND_PLACES=810, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=832, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2066, PETRI_PLACES=820, PETRI_TRANSITIONS=860} [2022-12-05 18:43:47,332 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 33 predicate places. [2022-12-05 18:43:47,332 INFO L495 AbstractCegarLoop]: Abstraction has has 820 places, 860 transitions, 2066 flow [2022-12-05 18:43:47,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 765.2857142857143) internal successors, (5357), 7 states have internal predecessors, (5357), 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 18:43:47,334 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:47,335 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:47,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-05 18:43:47,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:47,543 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 18:43:47,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:47,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1288975959, now seen corresponding path program 1 times [2022-12-05 18:43:47,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:47,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458995529] [2022-12-05 18:43:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:47,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:48,111 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 18:43:48,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:48,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458995529] [2022-12-05 18:43:48,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458995529] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:43:48,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725111819] [2022-12-05 18:43:48,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:48,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:48,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:43:48,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:43:48,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-05 18:43:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:48,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-05 18:43:48,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:43:48,692 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 18:43:48,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 18:43:48,887 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 18:43:48,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725111819] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 18:43:48,888 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 18:43:48,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2022-12-05 18:43:48,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517191913] [2022-12-05 18:43:48,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 18:43:48,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-05 18:43:48,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:48,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-05 18:43:48,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-12-05 18:43:48,896 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 804 out of 862 [2022-12-05 18:43:48,903 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 820 places, 860 transitions, 2066 flow. Second operand has 12 states, 12 states have (on average 806.0) internal successors, (9672), 12 states have internal predecessors, (9672), 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 18:43:48,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:48,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 804 of 862 [2022-12-05 18:43:48,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:49,849 INFO L130 PetriNetUnfolder]: 351/3966 cut-off events. [2022-12-05 18:43:49,850 INFO L131 PetriNetUnfolder]: For 436/529 co-relation queries the response was YES. [2022-12-05 18:43:49,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4841 conditions, 3966 events. 351/3966 cut-off events. For 436/529 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 22596 event pairs, 0 based on Foata normal form. 24/3659 useless extension candidates. Maximal degree in co-relation 4643. Up to 73 conditions per place. [2022-12-05 18:43:49,881 INFO L137 encePairwiseOnDemand]: 849/862 looper letters, 27 selfloop transitions, 18 changer transitions 0/880 dead transitions. [2022-12-05 18:43:49,882 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 834 places, 880 transitions, 2204 flow [2022-12-05 18:43:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-05 18:43:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-12-05 18:43:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 12109 transitions. [2022-12-05 18:43:49,896 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9365042536736272 [2022-12-05 18:43:49,896 INFO L175 Difference]: Start difference. First operand has 820 places, 860 transitions, 2066 flow. Second operand 15 states and 12109 transitions. [2022-12-05 18:43:49,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 834 places, 880 transitions, 2204 flow [2022-12-05 18:43:49,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 824 places, 880 transitions, 2148 flow, removed 0 selfloop flow, removed 10 redundant places. [2022-12-05 18:43:49,914 INFO L231 Difference]: Finished difference. Result has 827 places, 867 transitions, 2085 flow [2022-12-05 18:43:49,915 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=2010, PETRI_DIFFERENCE_MINUEND_PLACES=810, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=860, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=846, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2085, PETRI_PLACES=827, PETRI_TRANSITIONS=867} [2022-12-05 18:43:49,916 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 40 predicate places. [2022-12-05 18:43:49,916 INFO L495 AbstractCegarLoop]: Abstraction has has 827 places, 867 transitions, 2085 flow [2022-12-05 18:43:49,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 806.0) internal successors, (9672), 12 states have internal predecessors, (9672), 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 18:43:49,919 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:49,919 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:49,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-05 18:43:50,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:50,135 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-05 18:43:50,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:50,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1117874729, now seen corresponding path program 2 times [2022-12-05 18:43:50,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:50,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390673107] [2022-12-05 18:43:50,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:50,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:50,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:50,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390673107] [2022-12-05 18:43:50,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390673107] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:43:50,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659764987] [2022-12-05 18:43:50,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-05 18:43:50,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:50,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:43:50,969 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:43:50,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-05 18:43:51,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-05 18:43:51,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-05 18:43:51,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-05 18:43:51,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:43:51,640 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 18:43:51,663 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 18:43:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-05 18:43:51,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:43:51,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659764987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:51,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:43:51,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2022-12-05 18:43:51,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18459313] [2022-12-05 18:43:51,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:51,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-05 18:43:51,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:51,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-05 18:43:51,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2022-12-05 18:43:51,726 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 742 out of 862 [2022-12-05 18:43:51,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 867 transitions, 2085 flow. Second operand has 11 states, 11 states have (on average 747.4545454545455) internal successors, (8222), 11 states have internal predecessors, (8222), 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 18:43:51,733 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:51,733 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 742 of 862 [2022-12-05 18:43:51,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:57,097 INFO L130 PetriNetUnfolder]: 6279/25275 cut-off events. [2022-12-05 18:43:57,098 INFO L131 PetriNetUnfolder]: For 8608/10096 co-relation queries the response was YES. [2022-12-05 18:43:57,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40175 conditions, 25275 events. 6279/25275 cut-off events. For 8608/10096 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 261911 event pairs, 1842 based on Foata normal form. 1107/24523 useless extension candidates. Maximal degree in co-relation 39904. Up to 4028 conditions per place. [2022-12-05 18:43:57,284 INFO L137 encePairwiseOnDemand]: 847/862 looper letters, 153 selfloop transitions, 56 changer transitions 59/1018 dead transitions. [2022-12-05 18:43:57,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 844 places, 1018 transitions, 3302 flow [2022-12-05 18:43:57,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-05 18:43:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-05 18:43:57,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 15043 transitions. [2022-12-05 18:43:57,296 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8725638051044083 [2022-12-05 18:43:57,297 INFO L175 Difference]: Start difference. First operand has 827 places, 867 transitions, 2085 flow. Second operand 20 states and 15043 transitions. [2022-12-05 18:43:57,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 844 places, 1018 transitions, 3302 flow [2022-12-05 18:43:57,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 837 places, 1018 transitions, 3281 flow, removed 4 selfloop flow, removed 7 redundant places. [2022-12-05 18:43:57,325 INFO L231 Difference]: Finished difference. Result has 844 places, 894 transitions, 2372 flow [2022-12-05 18:43:57,326 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=2060, PETRI_DIFFERENCE_MINUEND_PLACES=818, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=865, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=833, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2372, PETRI_PLACES=844, PETRI_TRANSITIONS=894} [2022-12-05 18:43:57,326 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 57 predicate places. [2022-12-05 18:43:57,327 INFO L495 AbstractCegarLoop]: Abstraction has has 844 places, 894 transitions, 2372 flow [2022-12-05 18:43:57,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 747.4545454545455) internal successors, (8222), 11 states have internal predecessors, (8222), 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 18:43:57,329 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:57,329 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:57,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-05 18:43:57,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:43:57,531 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 6 more)] === [2022-12-05 18:43:57,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:57,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1015416331, now seen corresponding path program 1 times [2022-12-05 18:43:57,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:57,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150796371] [2022-12-05 18:43:57,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:57,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:58,006 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-05 18:43:58,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:58,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150796371] [2022-12-05 18:43:58,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150796371] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:58,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:58,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-05 18:43:58,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327137514] [2022-12-05 18:43:58,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:58,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-05 18:43:58,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:58,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-05 18:43:58,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-05 18:43:58,013 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 793 out of 862 [2022-12-05 18:43:58,031 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 844 places, 894 transitions, 2372 flow. Second operand has 8 states, 8 states have (on average 795.75) internal successors, (6366), 8 states have internal predecessors, (6366), 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 18:43:58,032 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:58,032 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 793 of 862 [2022-12-05 18:43:58,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:00,010 INFO L130 PetriNetUnfolder]: 1353/9684 cut-off events. [2022-12-05 18:44:00,011 INFO L131 PetriNetUnfolder]: For 2656/2833 co-relation queries the response was YES. [2022-12-05 18:44:00,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13731 conditions, 9684 events. 1353/9684 cut-off events. For 2656/2833 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 91674 event pairs, 252 based on Foata normal form. 42/8865 useless extension candidates. Maximal degree in co-relation 13487. Up to 985 conditions per place. [2022-12-05 18:44:00,063 INFO L137 encePairwiseOnDemand]: 851/862 looper letters, 84 selfloop transitions, 13 changer transitions 7/917 dead transitions. [2022-12-05 18:44:00,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 852 places, 917 transitions, 2639 flow [2022-12-05 18:44:00,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-05 18:44:00,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-05 18:44:00,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 8791 transitions. [2022-12-05 18:44:00,071 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9271250790972368 [2022-12-05 18:44:00,071 INFO L175 Difference]: Start difference. First operand has 844 places, 894 transitions, 2372 flow. Second operand 11 states and 8791 transitions. [2022-12-05 18:44:00,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 852 places, 917 transitions, 2639 flow [2022-12-05 18:44:00,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 850 places, 917 transitions, 2595 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 18:44:00,095 INFO L231 Difference]: Finished difference. Result has 853 places, 898 transitions, 2381 flow [2022-12-05 18:44:00,097 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=2328, PETRI_DIFFERENCE_MINUEND_PLACES=840, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=894, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=883, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2381, PETRI_PLACES=853, PETRI_TRANSITIONS=898} [2022-12-05 18:44:00,097 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 66 predicate places. [2022-12-05 18:44:00,097 INFO L495 AbstractCegarLoop]: Abstraction has has 853 places, 898 transitions, 2381 flow [2022-12-05 18:44:00,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 795.75) internal successors, (6366), 8 states have internal predecessors, (6366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:00,099 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:00,099 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:00,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 18:44:00,100 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 6 more)] === [2022-12-05 18:44:00,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:00,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1571313657, now seen corresponding path program 1 times [2022-12-05 18:44:00,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:00,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368093158] [2022-12-05 18:44:00,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:00,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:00,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:00,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368093158] [2022-12-05 18:44:00,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368093158] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:44:00,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079869915] [2022-12-05 18:44:00,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:00,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:00,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:00,871 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:44:00,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-05 18:44:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:01,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-05 18:44:01,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:44:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-05 18:44:01,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:44:01,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079869915] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:01,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:44:01,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-12-05 18:44:01,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36717591] [2022-12-05 18:44:01,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:01,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 18:44:01,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 18:44:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:44:01,409 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 793 out of 862 [2022-12-05 18:44:01,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 853 places, 898 transitions, 2381 flow. Second operand has 6 states, 6 states have (on average 795.8333333333334) internal successors, (4775), 6 states have internal predecessors, (4775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:01,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:01,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 793 of 862 [2022-12-05 18:44:01,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:06,142 INFO L130 PetriNetUnfolder]: 2496/24291 cut-off events. [2022-12-05 18:44:06,143 INFO L131 PetriNetUnfolder]: For 5641/6322 co-relation queries the response was YES. [2022-12-05 18:44:06,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33667 conditions, 24291 events. 2496/24291 cut-off events. For 5641/6322 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 290865 event pairs, 297 based on Foata normal form. 336/23040 useless extension candidates. Maximal degree in co-relation 33419. Up to 1105 conditions per place. [2022-12-05 18:44:06,289 INFO L137 encePairwiseOnDemand]: 852/862 looper letters, 54 selfloop transitions, 11 changer transitions 6/932 dead transitions. [2022-12-05 18:44:06,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 863 places, 932 transitions, 2613 flow [2022-12-05 18:44:06,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-05 18:44:06,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-05 18:44:06,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 8795 transitions. [2022-12-05 18:44:06,296 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9275469310272094 [2022-12-05 18:44:06,296 INFO L175 Difference]: Start difference. First operand has 853 places, 898 transitions, 2381 flow. Second operand 11 states and 8795 transitions. [2022-12-05 18:44:06,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 863 places, 932 transitions, 2613 flow [2022-12-05 18:44:06,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 858 places, 932 transitions, 2598 flow, removed 1 selfloop flow, removed 5 redundant places. [2022-12-05 18:44:06,370 INFO L231 Difference]: Finished difference. Result has 868 places, 906 transitions, 2452 flow [2022-12-05 18:44:06,371 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=2360, PETRI_DIFFERENCE_MINUEND_PLACES=848, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=897, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=890, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2452, PETRI_PLACES=868, PETRI_TRANSITIONS=906} [2022-12-05 18:44:06,372 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 81 predicate places. [2022-12-05 18:44:06,372 INFO L495 AbstractCegarLoop]: Abstraction has has 868 places, 906 transitions, 2452 flow [2022-12-05 18:44:06,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 795.8333333333334) internal successors, (4775), 6 states have internal predecessors, (4775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:06,374 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:06,374 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:06,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-05 18:44:06,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:06,585 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 6 more)] === [2022-12-05 18:44:06,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:06,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1493461873, now seen corresponding path program 1 times [2022-12-05 18:44:06,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:06,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008387955] [2022-12-05 18:44:06,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:06,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:07,440 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:07,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:07,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008387955] [2022-12-05 18:44:07,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008387955] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:44:07,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804847102] [2022-12-05 18:44:07,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:07,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:07,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:07,443 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:44:07,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-05 18:44:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:08,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-05 18:44:08,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:44:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:08,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 18:44:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:08,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804847102] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 18:44:08,648 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 18:44:08,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 20 [2022-12-05 18:44:08,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551824396] [2022-12-05 18:44:08,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 18:44:08,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-05 18:44:08,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:08,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-05 18:44:08,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2022-12-05 18:44:08,662 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 804 out of 862 [2022-12-05 18:44:08,676 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 868 places, 906 transitions, 2452 flow. Second operand has 20 states, 20 states have (on average 806.8) internal successors, (16136), 20 states have internal predecessors, (16136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:08,677 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:08,677 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 804 of 862 [2022-12-05 18:44:08,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:13,675 INFO L130 PetriNetUnfolder]: 1242/15546 cut-off events. [2022-12-05 18:44:13,675 INFO L131 PetriNetUnfolder]: For 3838/4519 co-relation queries the response was YES. [2022-12-05 18:44:13,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21964 conditions, 15546 events. 1242/15546 cut-off events. For 3838/4519 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 152733 event pairs, 0 based on Foata normal form. 172/14847 useless extension candidates. Maximal degree in co-relation 21599. Up to 406 conditions per place. [2022-12-05 18:44:13,791 INFO L137 encePairwiseOnDemand]: 849/862 looper letters, 56 selfloop transitions, 24 changer transitions 0/952 dead transitions. [2022-12-05 18:44:13,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 889 places, 952 transitions, 2770 flow [2022-12-05 18:44:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-05 18:44:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-12-05 18:44:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 17778 transitions. [2022-12-05 18:44:13,804 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9374604513815651 [2022-12-05 18:44:13,804 INFO L175 Difference]: Start difference. First operand has 868 places, 906 transitions, 2452 flow. Second operand 22 states and 17778 transitions. [2022-12-05 18:44:13,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 889 places, 952 transitions, 2770 flow [2022-12-05 18:44:13,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 887 places, 952 transitions, 2746 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-05 18:44:13,860 INFO L231 Difference]: Finished difference. Result has 898 places, 914 transitions, 2574 flow [2022-12-05 18:44:13,861 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=2424, PETRI_DIFFERENCE_MINUEND_PLACES=866, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=903, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=888, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2574, PETRI_PLACES=898, PETRI_TRANSITIONS=914} [2022-12-05 18:44:13,862 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 111 predicate places. [2022-12-05 18:44:13,862 INFO L495 AbstractCegarLoop]: Abstraction has has 898 places, 914 transitions, 2574 flow [2022-12-05 18:44:13,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 806.8) internal successors, (16136), 20 states have internal predecessors, (16136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:13,866 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:13,866 INFO L213 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:13,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-05 18:44:14,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-05 18:44:14,077 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 6 more)] === [2022-12-05 18:44:14,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:14,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1248464095, now seen corresponding path program 2 times [2022-12-05 18:44:14,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:14,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533218780] [2022-12-05 18:44:14,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:14,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:15,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:15,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533218780] [2022-12-05 18:44:15,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533218780] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:44:15,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114200382] [2022-12-05 18:44:15,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-05 18:44:15,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:15,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:15,444 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:44:15,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-05 18:44:16,883 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-05 18:44:16,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-05 18:44:16,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-05 18:44:16,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:44:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:17,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 18:44:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:17,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114200382] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 18:44:17,642 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 18:44:17,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2022-12-05 18:44:17,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472238222] [2022-12-05 18:44:17,643 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 18:44:17,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-12-05 18:44:17,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:17,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-12-05 18:44:17,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2022-12-05 18:44:17,661 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 804 out of 862 [2022-12-05 18:44:17,678 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 898 places, 914 transitions, 2574 flow. Second operand has 29 states, 29 states have (on average 807.3103448275862) internal successors, (23412), 29 states have internal predecessors, (23412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:17,678 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:17,679 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 804 of 862 [2022-12-05 18:44:17,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:35,677 WARN L233 SmtUtils]: Spent 10.75s on a formula simplification. DAG size of input: 51 DAG size of output: 50 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-05 18:44:52,676 INFO L130 PetriNetUnfolder]: 1242/15672 cut-off events. [2022-12-05 18:44:52,676 INFO L131 PetriNetUnfolder]: For 4548/5229 co-relation queries the response was YES. [2022-12-05 18:44:52,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22342 conditions, 15672 events. 1242/15672 cut-off events. For 4548/5229 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 151829 event pairs, 0 based on Foata normal form. 186/14988 useless extension candidates. Maximal degree in co-relation 21717. Up to 406 conditions per place. [2022-12-05 18:44:52,799 INFO L137 encePairwiseOnDemand]: 849/862 looper letters, 110 selfloop transitions, 42 changer transitions 0/1024 dead transitions. [2022-12-05 18:44:52,799 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 1024 transitions, 3399 flow [2022-12-05 18:44:52,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-12-05 18:44:52,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2022-12-05 18:44:52,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 32330 transitions. [2022-12-05 18:44:52,822 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9376450116009281 [2022-12-05 18:44:52,822 INFO L175 Difference]: Start difference. First operand has 898 places, 914 transitions, 2574 flow. Second operand 40 states and 32330 transitions. [2022-12-05 18:44:52,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 1024 transitions, 3399 flow [2022-12-05 18:44:52,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 1024 transitions, 3384 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-12-05 18:44:52,884 INFO L231 Difference]: Finished difference. Result has 949 places, 934 transitions, 2903 flow [2022-12-05 18:44:52,885 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=862, PETRI_DIFFERENCE_MINUEND_FLOW=2559, PETRI_DIFFERENCE_MINUEND_PLACES=890, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=914, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=890, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=2903, PETRI_PLACES=949, PETRI_TRANSITIONS=934} [2022-12-05 18:44:52,885 INFO L294 CegarLoopForPetriNet]: 787 programPoint places, 162 predicate places. [2022-12-05 18:44:52,885 INFO L495 AbstractCegarLoop]: Abstraction has has 949 places, 934 transitions, 2903 flow [2022-12-05 18:44:52,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 807.3103448275862) internal successors, (23412), 29 states have internal predecessors, (23412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:52,891 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:52,891 INFO L213 CegarLoopForPetriNet]: trace histogram [22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:52,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-05 18:44:53,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:53,105 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 6 more)] === [2022-12-05 18:44:53,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:53,106 INFO L85 PathProgramCache]: Analyzing trace with hash -899722463, now seen corresponding path program 3 times [2022-12-05 18:44:53,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:53,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069284710] [2022-12-05 18:44:53,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:53,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1639 backedges. 0 proven. 1639 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:56,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:56,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069284710] [2022-12-05 18:44:56,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069284710] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:44:56,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196749472] [2022-12-05 18:44:56,352 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-05 18:44:56,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:56,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:56,358 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:44:56,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process Received shutdown request... [2022-12-05 18:57:30,298 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-05 18:57:30,298 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-05 18:57:31,309 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 [2022-12-05 18:57:31,504 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forcibly destroying the process [2022-12-05 18:57:31,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 137 [2022-12-05 18:57:31,521 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-05 18:57:31,521 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:57:31,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2022-12-05 18:57:31,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887316529] [2022-12-05 18:57:31,522 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-12-05 18:57:31,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-05 18:57:31,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:57:31,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-05 18:57:31,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2022-12-05 18:57:31,536 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 804 out of 862 [2022-12-05 18:57:31,554 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 949 places, 934 transitions, 2903 flow. Second operand has 28 states, 28 states have (on average 807.4285714285714) internal successors, (22608), 28 states have internal predecessors, (22608), 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 18:57:31,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:57:31,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 804 of 862 [2022-12-05 18:57:31,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:57:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 18:57:31,556 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2022-12-05 18:57:31,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-05 18:57:31,557 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 804/862 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 69 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). [2022-12-05 18:57:31,558 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2022-12-05 18:57:31,558 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2022-12-05 18:57:31,558 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2022-12-05 18:57:31,558 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-12-05 18:57:31,558 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2022-12-05 18:57:31,559 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2022-12-05 18:57:31,559 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2022-12-05 18:57:31,559 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2022-12-05 18:57:31,559 INFO L458 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:57:31,563 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 18:57:31,563 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 18:57:31,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 06:57:31 BasicIcfg [2022-12-05 18:57:31,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 18:57:31,566 INFO L158 Benchmark]: Toolchain (without parser) took 851905.29ms. Allocated memory was 180.4MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 144.7MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-12-05 18:57:31,566 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:57:31,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6617.73ms. Allocated memory was 180.4MB in the beginning and 284.2MB in the end (delta: 103.8MB). Free memory was 144.7MB in the beginning and 148.0MB in the end (delta: -3.3MB). Peak memory consumption was 134.7MB. Max. memory is 8.0GB. [2022-12-05 18:57:31,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.19ms. Allocated memory is still 284.2MB. Free memory was 148.0MB in the beginning and 136.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-05 18:57:31,567 INFO L158 Benchmark]: Boogie Preprocessor took 82.76ms. Allocated memory is still 284.2MB. Free memory was 136.5MB in the beginning and 130.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-05 18:57:31,567 INFO L158 Benchmark]: RCFGBuilder took 1463.80ms. Allocated memory is still 284.2MB. Free memory was 130.2MB in the beginning and 163.3MB in the end (delta: -33.2MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-12-05 18:57:31,567 INFO L158 Benchmark]: TraceAbstraction took 843570.24ms. Allocated memory was 284.2MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 162.8MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-12-05 18:57:31,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6617.73ms. Allocated memory was 180.4MB in the beginning and 284.2MB in the end (delta: 103.8MB). Free memory was 144.7MB in the beginning and 148.0MB in the end (delta: -3.3MB). Peak memory consumption was 134.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 164.19ms. Allocated memory is still 284.2MB. Free memory was 148.0MB in the beginning and 136.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.76ms. Allocated memory is still 284.2MB. Free memory was 136.5MB in the beginning and 130.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1463.80ms. Allocated memory is still 284.2MB. Free memory was 130.2MB in the beginning and 163.3MB in the end (delta: -33.2MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * TraceAbstraction took 843570.24ms. Allocated memory was 284.2MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 162.8MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 804/862 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 69 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 804/862 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 69 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 7069]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 804/862 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 69 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 7068]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 804/862 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 69 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 804/862 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 69 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (28states, 804/862 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 69 conditions, 2 events (0/1 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/2 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1015 locations, 9 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: 843.4s, OverallIterations: 13, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 64.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2237 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2237 mSDsluCounter, 1995 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1634 mSDsCounter, 194 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3655 IncrementalHoareTripleChecker+Invalid, 3849 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 194 mSolverCounterUnsat, 361 mSDtfsCounter, 3655 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4343 GetRequests, 4028 SyntacticMatches, 5 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2082 ImplicationChecksByTransitivity, 32.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2903occurred in iteration=12, InterpolantAutomatonStates: 195, 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: 0.6s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 7201 NumberOfCodeBlocks, 7173 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 8336 ConstructedInterpolants, 1 QuantifiedInterpolants, 18758 SizeOfPredicates, 93 NumberOfNonLiveVariables, 9847 ConjunctsInSsa, 227 ConjunctsInUnsatCore, 25 InterpolantComputations, 9 PerfectInterpolantSequences, 142/2993 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown