/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 14:51:52,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 14:51:52,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 14:51:52,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 14:51:52,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 14:51:52,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 14:51:52,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 14:51:52,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 14:51:52,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 14:51:52,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 14:51:52,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 14:51:52,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 14:51:52,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 14:51:52,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 14:51:52,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 14:51:52,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 14:51:52,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 14:51:52,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 14:51:52,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 14:51:52,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 14:51:52,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 14:51:52,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 14:51:52,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 14:51:52,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 14:51:52,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 14:51:52,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 14:51:52,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 14:51:52,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 14:51:52,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 14:51:52,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 14:51:52,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 14:51:52,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 14:51:52,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 14:51:52,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 14:51:52,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 14:51:52,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 14:51:52,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 14:51:52,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 14:51:52,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 14:51:52,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 14:51:52,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 14:51:52,712 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-SemanticLbe.epf [2022-12-12 14:51:52,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 14:51:52,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 14:51:52,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 14:51:52,746 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 14:51:52,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 14:51:52,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 14:51:52,748 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 14:51:52,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 14:51:52,748 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 14:51:52,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 14:51:52,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 14:51:52,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 14:51:52,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 14:51:52,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 14:51:52,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 14:51:52,749 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 14:51:52,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 14:51:52,750 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 14:51:52,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 14:51:52,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 14:51:52,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 14:51:52,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 14:51:52,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 14:51:52,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 14:51:52,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 14:51:52,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 14:51:52,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 14:51:52,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 14:51:52,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 14:51:52,751 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 14:51:52,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-12 14:51:53,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 14:51:53,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 14:51:53,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 14:51:53,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 14:51:53,104 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 14:51:53,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-12 14:51:54,268 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 14:51:54,722 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 14:51:54,723 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-12 14:51:54,772 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de319ab9f/20a1053eb31048cdbdb6c6f51f840583/FLAG320e9d16f [2022-12-12 14:51:54,788 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de319ab9f/20a1053eb31048cdbdb6c6f51f840583 [2022-12-12 14:51:54,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 14:51:54,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 14:51:54,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 14:51:54,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 14:51:54,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 14:51:54,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 02:51:54" (1/1) ... [2022-12-12 14:51:54,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1ade1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:51:54, skipping insertion in model container [2022-12-12 14:51:54,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 02:51:54" (1/1) ... [2022-12-12 14:51:54,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 14:51:54,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 14:51:55,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i[5469,5482] [2022-12-12 14:51:55,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,543 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,547 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,548 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,561 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 14:51:55,566 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:51:55,571 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:51:55,579 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:51:55,688 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 14:51:55,693 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 14:51:55,825 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 14:51:55,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,927 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:55,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:55,932 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:56,129 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 14:51:56,133 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 14:51:56,138 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 14:51:56,276 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 14:51:56,276 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 14:51:56,282 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 14:51:56,283 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 14:51:56,464 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 14:51:56,872 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 14:51:56,880 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 14:51:56,942 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 14:51:56,945 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 14:51:57,301 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 14:51:57,478 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 14:51:57,483 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 14:51:57,640 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 14:51:57,799 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 14:51:57,799 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 14:51:57,799 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 14:51:59,028 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 14:51:59,029 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:51:59,035 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:51:59,040 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:51:59,072 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:51:59,583 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 14:51:59,583 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 14:51:59,607 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 14:51:59,607 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 14:51:59,608 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 14:51:59,610 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 14:51:59,610 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 14:51:59,610 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 14:51:59,613 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 14:51:59,613 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 14:51:59,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 14:51:59,649 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 14:51:59,662 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i[5469,5482] [2022-12-12 14:51:59,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,673 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 14:51:59,673 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:51:59,673 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:51:59,674 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:51:59,678 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 14:51:59,679 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 14:51:59,682 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 14:51:59,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:51:59,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:51:59,707 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 14:51:59,708 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 14:51:59,708 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 14:51:59,711 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 14:51:59,711 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 14:51:59,711 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 14:51:59,711 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 14:51:59,717 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 14:51:59,729 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 14:51:59,730 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 14:51:59,731 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 14:51:59,732 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 14:51:59,739 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 14:51:59,744 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 14:51:59,745 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 14:51:59,749 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 14:51:59,752 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 14:51:59,753 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 14:51:59,753 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 14:51:59,831 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 14:51:59,832 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:51:59,834 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:51:59,842 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:51:59,846 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:51:59,918 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 14:51:59,918 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 14:51:59,923 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 14:51:59,924 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 14:51:59,925 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 14:51:59,926 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 14:51:59,926 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 14:51:59,926 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 14:51:59,927 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 14:51:59,927 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 14:51:59,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 14:52:00,276 INFO L208 MainTranslator]: Completed translation [2022-12-12 14:52:00,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00 WrapperNode [2022-12-12 14:52:00,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 14:52:00,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 14:52:00,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 14:52:00,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 14:52:00,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,442 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 721 [2022-12-12 14:52:00,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 14:52:00,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 14:52:00,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 14:52:00,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 14:52:00,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,494 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 14:52:00,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 14:52:00,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 14:52:00,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 14:52:00,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (1/1) ... [2022-12-12 14:52:00,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 14:52:00,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 14:52:00,537 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) [2022-12-12 14:52:00,563 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 [2022-12-12 14:52:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 14:52:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 14:52:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 14:52:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 14:52:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 14:52:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-12 14:52:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-12 14:52:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 14:52:00,594 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 14:52:01,135 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 14:52:01,137 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 14:52:01,835 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 14:52:01,844 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 14:52:01,844 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2022-12-12 14:52:01,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 02:52:01 BoogieIcfgContainer [2022-12-12 14:52:01,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 14:52:01,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 14:52:01,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 14:52:01,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 14:52:01,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 02:51:54" (1/3) ... [2022-12-12 14:52:01,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f36d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 02:52:01, skipping insertion in model container [2022-12-12 14:52:01,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:52:00" (2/3) ... [2022-12-12 14:52:01,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f36d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 02:52:01, skipping insertion in model container [2022-12-12 14:52:01,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 02:52:01" (3/3) ... [2022-12-12 14:52:01,878 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-12 14:52:01,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 14:52:01,894 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-12 14:52:01,894 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 14:52:01,992 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 14:52:02,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 736 places, 792 transitions, 1600 flow [2022-12-12 14:52:02,250 INFO L130 PetriNetUnfolder]: 63/790 cut-off events. [2022-12-12 14:52:02,250 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 14:52:02,258 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 790 events. 63/790 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1229 event pairs, 0 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-12 14:52:02,259 INFO L82 GeneralOperation]: Start removeDead. Operand has 736 places, 792 transitions, 1600 flow [2022-12-12 14:52:02,268 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 726 places, 782 transitions, 1573 flow [2022-12-12 14:52:02,269 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 14:52:02,283 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 782 transitions, 1573 flow [2022-12-12 14:52:02,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 726 places, 782 transitions, 1573 flow [2022-12-12 14:52:02,474 INFO L130 PetriNetUnfolder]: 63/782 cut-off events. [2022-12-12 14:52:02,474 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-12 14:52:02,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 782 events. 63/782 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1155 event pairs, 0 based on Foata normal form. 0/717 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-12 14:52:02,489 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 782 transitions, 1573 flow [2022-12-12 14:52:02,489 INFO L226 LiptonReduction]: Number of co-enabled transitions 17446 [2022-12-12 14:53:18,357 WARN L233 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 454 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:53:26,599 WARN L233 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 454 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:53:36,833 WARN L233 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:53:45,196 WARN L233 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:53:52,774 WARN L233 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:54:00,367 WARN L233 SmtUtils]: Spent 7.59s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:54:20,414 WARN L233 SmtUtils]: Spent 18.51s on a formula simplification that was a NOOP. DAG size: 509 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:54:34,889 WARN L233 SmtUtils]: Spent 14.47s on a formula simplification that was a NOOP. DAG size: 489 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:54:53,058 WARN L233 SmtUtils]: Spent 18.17s on a formula simplification that was a NOOP. DAG size: 509 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:55:02,912 WARN L233 SmtUtils]: Spent 9.85s on a formula simplification that was a NOOP. DAG size: 489 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:57:23,763 WARN L233 SmtUtils]: Spent 2.31m on a formula simplification. DAG size of input: 627 DAG size of output: 625 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:57:55,968 WARN L233 SmtUtils]: Spent 32.19s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 15:00:26,370 WARN L233 SmtUtils]: Spent 2.51m on a formula simplification. DAG size of input: 627 DAG size of output: 625 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 15:01:20,534 WARN L233 SmtUtils]: Spent 54.15s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 15:02:06,670 INFO L241 LiptonReduction]: Total number of compositions: 728 [2022-12-12 15:02:06,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 15:02:06,686 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;@7983588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 15:02:06,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-12 15:02:06,695 INFO L130 PetriNetUnfolder]: 2/6 cut-off events. [2022-12-12 15:02:06,695 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 15:02:06,695 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 15:02:06,696 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-12 15:02:06,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 15:02:06,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 15:02:06,700 INFO L85 PathProgramCache]: Analyzing trace with hash 3008301, now seen corresponding path program 1 times [2022-12-12 15:02:06,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 15:02:06,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700981340] [2022-12-12 15:02:06,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 15:02:06,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 15:02:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 15:02:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 15:02:07,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 15:02:07,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700981340] [2022-12-12 15:02:07,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700981340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 15:02:07,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 15:02:07,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 15:02:07,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062253735] [2022-12-12 15:02:07,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 15:02:07,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-12 15:02:07,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 15:02:07,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-12 15:02:07,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-12 15:02:07,284 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 107 [2022-12-12 15:02:07,285 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 107 transitions, 223 flow. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-12 15:02:07,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 15:02:07,286 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 107 [2022-12-12 15:02:07,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 15:02:08,119 INFO L130 PetriNetUnfolder]: 2266/3809 cut-off events. [2022-12-12 15:02:08,119 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2022-12-12 15:02:08,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7686 conditions, 3809 events. 2266/3809 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 23130 event pairs, 2256 based on Foata normal form. 0/1763 useless extension candidates. Maximal degree in co-relation 7179. Up to 3803 conditions per place. [2022-12-12 15:02:08,138 INFO L137 encePairwiseOnDemand]: 93/107 looper letters, 87 selfloop transitions, 0 changer transitions 3/93 dead transitions. [2022-12-12 15:02:08,138 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 93 transitions, 375 flow [2022-12-12 15:02:08,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-12 15:02:08,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-12 15:02:08,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 110 transitions. [2022-12-12 15:02:08,150 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.514018691588785 [2022-12-12 15:02:08,151 INFO L175 Difference]: Start difference. First operand has 91 places, 107 transitions, 223 flow. Second operand 2 states and 110 transitions. [2022-12-12 15:02:08,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 93 transitions, 375 flow [2022-12-12 15:02:08,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 93 transitions, 370 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-12 15:02:08,162 INFO L231 Difference]: Finished difference. Result has 88 places, 90 transitions, 183 flow [2022-12-12 15:02:08,163 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=183, PETRI_PLACES=88, PETRI_TRANSITIONS=90} [2022-12-12 15:02:08,167 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, -3 predicate places. [2022-12-12 15:02:08,167 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 90 transitions, 183 flow [2022-12-12 15:02:08,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-12 15:02:08,167 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 15:02:08,168 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 15:02:08,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 15:02:08,169 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 15:02:08,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 15:02:08,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2147063261, now seen corresponding path program 1 times [2022-12-12 15:02:08,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 15:02:08,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080733584] [2022-12-12 15:02:08,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 15:02:08,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 15:02:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 15:02:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 15:02:08,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 15:02:08,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080733584] [2022-12-12 15:02:08,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080733584] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 15:02:08,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 15:02:08,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 15:02:08,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833200876] [2022-12-12 15:02:08,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 15:02:08,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 15:02:08,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 15:02:08,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 15:02:08,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 15:02:08,984 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 107 [2022-12-12 15:02:08,985 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 90 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-12-12 15:02:08,986 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 15:02:08,986 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 107 [2022-12-12 15:02:08,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 15:02:10,235 INFO L130 PetriNetUnfolder]: 1909/3193 cut-off events. [2022-12-12 15:02:10,235 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 15:02:10,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6399 conditions, 3193 events. 1909/3193 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 19086 event pairs, 1899 based on Foata normal form. 0/1599 useless extension candidates. Maximal degree in co-relation 6396. Up to 3186 conditions per place. [2022-12-12 15:02:10,251 INFO L137 encePairwiseOnDemand]: 103/107 looper letters, 86 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2022-12-12 15:02:10,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 91 transitions, 361 flow [2022-12-12 15:02:10,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 15:02:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 15:02:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2022-12-12 15:02:10,254 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.308411214953271 [2022-12-12 15:02:10,255 INFO L175 Difference]: Start difference. First operand has 88 places, 90 transitions, 183 flow. Second operand 3 states and 99 transitions. [2022-12-12 15:02:10,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 91 transitions, 361 flow [2022-12-12 15:02:10,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 91 transitions, 361 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-12 15:02:10,258 INFO L231 Difference]: Finished difference. Result has 88 places, 91 transitions, 197 flow [2022-12-12 15:02:10,259 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=88, PETRI_TRANSITIONS=91} [2022-12-12 15:02:10,259 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, -3 predicate places. [2022-12-12 15:02:10,260 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 91 transitions, 197 flow [2022-12-12 15:02:10,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-12-12 15:02:10,260 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 15:02:10,260 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 15:02:10,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 15:02:10,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 15:02:10,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 15:02:10,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1806970125, now seen corresponding path program 1 times [2022-12-12 15:02:10,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 15:02:10,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758735159] [2022-12-12 15:02:10,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 15:02:10,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 15:02:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 15:02:10,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 15:02:10,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 15:02:10,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758735159] [2022-12-12 15:02:10,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758735159] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 15:02:10,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583437733] [2022-12-12 15:02:10,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 15:02:10,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 15:02:10,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 15:02:10,989 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) [2022-12-12 15:02:11,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-12 15:02:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 15:02:12,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-12 15:02:12,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 15:02:12,705 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-12 15:02:12,707 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2022-12-12 15:02:12,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-12 15:02:12,754 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 [2022-12-12 15:02:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 15:02:12,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 15:02:12,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583437733] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 15:02:12,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 15:02:12,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2022-12-12 15:02:12,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370380000] [2022-12-12 15:02:12,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 15:02:12,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 15:02:12,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 15:02:12,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 15:02:12,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-12 15:02:12,775 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 107 [2022-12-12 15:02:12,775 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 91 transitions, 197 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-12-12 15:02:12,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 15:02:12,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 107 [2022-12-12 15:02:12,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 15:02:14,269 INFO L130 PetriNetUnfolder]: 2004/3440 cut-off events. [2022-12-12 15:02:14,270 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 15:02:14,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6901 conditions, 3440 events. 2004/3440 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 21435 event pairs, 1481 based on Foata normal form. 158/1812 useless extension candidates. Maximal degree in co-relation 6896. Up to 1942 conditions per place. [2022-12-12 15:02:14,278 INFO L137 encePairwiseOnDemand]: 103/107 looper letters, 82 selfloop transitions, 3 changer transitions 118/205 dead transitions. [2022-12-12 15:02:14,279 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 205 transitions, 833 flow [2022-12-12 15:02:14,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-12 15:02:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-12 15:02:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 214 transitions. [2022-12-12 15:02:14,281 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-12 15:02:14,281 INFO L175 Difference]: Start difference. First operand has 88 places, 91 transitions, 197 flow. Second operand 4 states and 214 transitions. [2022-12-12 15:02:14,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 205 transitions, 833 flow [2022-12-12 15:02:14,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 205 transitions, 829 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-12 15:02:14,285 INFO L231 Difference]: Finished difference. Result has 91 places, 87 transitions, 195 flow [2022-12-12 15:02:14,285 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=195, PETRI_PLACES=91, PETRI_TRANSITIONS=87} [2022-12-12 15:02:14,286 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, 0 predicate places. [2022-12-12 15:02:14,286 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 87 transitions, 195 flow [2022-12-12 15:02:14,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-12-12 15:02:14,286 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 15:02:14,286 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 15:02:14,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-12 15:02:14,497 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 [2022-12-12 15:02:14,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 15:02:14,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 15:02:14,498 INFO L85 PathProgramCache]: Analyzing trace with hash 181513466, now seen corresponding path program 1 times [2022-12-12 15:02:14,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 15:02:14,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680630088] [2022-12-12 15:02:14,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 15:02:14,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 15:02:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 15:02:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 15:02:15,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 15:02:15,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680630088] [2022-12-12 15:02:15,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680630088] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 15:02:15,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171098972] [2022-12-12 15:02:15,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 15:02:15,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 15:02:15,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 15:02:15,295 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) [2022-12-12 15:02:15,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-12 15:02:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 15:02:16,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 231 conjunts are in the unsatisfiable core [2022-12-12 15:02:16,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 15:02:16,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 15:02:24,268 WARN L233 SmtUtils]: Spent 7.26s on a formula simplification. DAG size of input: 1230 DAG size of output: 311 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-12 15:02:24,274 INFO L321 Elim1Store]: treesize reduction 9072, result has 7.2 percent of original size [2022-12-12 15:02:24,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 11 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 94 case distinctions, treesize of input 87462271 treesize of output 87200741 Received shutdown request... [2022-12-12 15:05:53,126 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-12 15:05:53,126 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 [2022-12-12 15:05:53,140 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-12-12 15:05:53,143 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-12 15:05:53,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-12 15:05:53,343 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 [2022-12-12 15:05:53,344 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∨-2-2-4-1 context. [2022-12-12 15:05:53,345 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-12 15:05:53,346 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-12 15:05:53,346 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-12 15:05:53,346 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-12 15:05:53,346 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-12 15:05:53,351 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 15:05:53,351 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 15:05:53,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 03:05:53 BasicIcfg [2022-12-12 15:05:53,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 15:05:53,354 INFO L158 Benchmark]: Toolchain (without parser) took 838562.56ms. Allocated memory was 186.6MB in the beginning and 733.0MB in the end (delta: 546.3MB). Free memory was 141.0MB in the beginning and 239.3MB in the end (delta: -98.3MB). Peak memory consumption was 507.9MB. Max. memory is 8.0GB. [2022-12-12 15:05:53,354 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 186.6MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 15:05:53,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5483.28ms. Allocated memory was 186.6MB in the beginning and 244.3MB in the end (delta: 57.7MB). Free memory was 140.5MB in the beginning and 183.5MB in the end (delta: -43.0MB). Peak memory consumption was 127.6MB. Max. memory is 8.0GB. [2022-12-12 15:05:53,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.80ms. Allocated memory is still 244.3MB. Free memory was 183.5MB in the beginning and 172.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-12 15:05:53,355 INFO L158 Benchmark]: Boogie Preprocessor took 62.57ms. Allocated memory is still 244.3MB. Free memory was 172.0MB in the beginning and 166.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-12 15:05:53,356 INFO L158 Benchmark]: RCFGBuilder took 1340.19ms. Allocated memory is still 244.3MB. Free memory was 166.2MB in the beginning and 102.2MB in the end (delta: 64.0MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2022-12-12 15:05:53,356 INFO L158 Benchmark]: TraceAbstraction took 831480.35ms. Allocated memory was 244.3MB in the beginning and 733.0MB in the end (delta: 488.6MB). Free memory was 182.5MB in the beginning and 239.3MB in the end (delta: -56.8MB). Peak memory consumption was 491.4MB. Max. memory is 8.0GB. [2022-12-12 15:05:53,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 186.6MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5483.28ms. Allocated memory was 186.6MB in the beginning and 244.3MB in the end (delta: 57.7MB). Free memory was 140.5MB in the beginning and 183.5MB in the end (delta: -43.0MB). Peak memory consumption was 127.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 164.80ms. Allocated memory is still 244.3MB. Free memory was 183.5MB in the beginning and 172.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.57ms. Allocated memory is still 244.3MB. Free memory was 172.0MB in the beginning and 166.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1340.19ms. Allocated memory is still 244.3MB. Free memory was 166.2MB in the beginning and 102.2MB in the end (delta: 64.0MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. * TraceAbstraction took 831480.35ms. Allocated memory was 244.3MB in the beginning and 733.0MB in the end (delta: 488.6MB). Free memory was 182.5MB in the beginning and 239.3MB in the end (delta: -56.8MB). Peak memory consumption was 491.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 604.2s, 726 PlacesBefore, 91 PlacesAfterwards, 782 TransitionsBefore, 107 TransitionsAfterwards, 17446 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 156 ConcurrentYvCompositions, 36 ChoiceCompositions, 728 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22108, independent: 22039, independent conditional: 22039, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22108, independent: 22039, independent conditional: 0, independent unconditional: 22039, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22108, independent: 22039, independent conditional: 0, independent unconditional: 22039, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22108, independent: 22039, independent conditional: 0, independent unconditional: 22039, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15234, independent: 15201, independent conditional: 0, independent unconditional: 15201, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15234, independent: 15201, independent conditional: 0, independent unconditional: 15201, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 119, dependent conditional: 0, dependent unconditional: 119, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22108, independent: 6838, independent conditional: 0, independent unconditional: 6838, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 15234, unknown conditional: 0, unknown unconditional: 15234] , Statistics on independence cache: Total cache size (in pairs): 46680, Positive cache size: 46647, Positive conditional cache size: 0, Positive unconditional cache size: 46647, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∨-2-2-4-1 context. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∨-2-2-4-1 context. - 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 analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∨-2-2-4-1 context. - 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 analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ∨-2-2-4-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 893 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 831.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 604.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 692 IncrementalHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 692 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=223occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1096 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown