/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:46:58,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:46:58,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:46:58,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:46:58,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:46:58,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:46:58,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:46:58,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:46:58,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:46:58,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:46:58,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:46:58,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:46:58,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:46:58,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:46:58,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:46:58,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:46:58,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:46:58,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:46:58,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:46:58,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:46:58,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:46:58,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:46:58,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:46:58,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:46:58,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:46:58,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:46:58,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:46:58,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:46:58,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:46:58,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:46:58,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:46:58,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:46:58,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:46:58,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:46:58,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:46:58,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:46:58,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:46:58,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:46:58,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:46:58,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:46:58,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:46:58,742 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:46:58,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:46:58,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:46:58,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:46:58,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:46:58,768 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:46:58,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:46:58,769 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:46:58,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:46:58,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:46:58,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:46:58,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:46:58,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:46:58,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:46:58,771 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:46:58,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:46:58,771 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:46:58,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:46:58,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:46:58,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:46:58,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:46:58,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:46:58,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:46:58,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:46:58,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:46:58,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:46:58,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:46:58,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:46:58,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:46:58,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:46:59,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:46:59,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:46:59,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:46:59,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:46:59,075 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:46:59,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-06 04:47:00,041 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:47:00,419 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:47:00,420 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-06 04:47:00,451 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b61ff02c/7189f684af614cd68770721d893efc5f/FLAGc0915f6d2 [2022-12-06 04:47:00,464 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b61ff02c/7189f684af614cd68770721d893efc5f [2022-12-06 04:47:00,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:47:00,466 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:47:00,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:47:00,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:47:00,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:47:00,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:47:00" (1/1) ... [2022-12-06 04:47:00,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbe33ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:00, skipping insertion in model container [2022-12-06 04:47:00,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:47:00" (1/1) ... [2022-12-06 04:47:00,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:47:00,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:47:00,776 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_configure_pc8736x_gpio_get.i[5469,5482] [2022-12-06 04:47:01,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,057 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 04:47:01,065 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:47:01,071 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:47:01,081 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:47:01,215 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:47:01,222 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:47:01,323 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 04:47:01,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:01,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:01,616 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 04:47:01,622 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 04:47:01,626 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 04:47:01,734 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 04:47:01,735 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:47:01,738 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 04:47:01,739 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:47:01,942 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 04:47:02,350 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:47:02,357 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:47:02,405 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 04:47:02,409 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 04:47:02,620 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 04:47:02,814 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 04:47:02,820 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 04:47:03,114 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 04:47:03,429 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 04:47:03,430 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 04:47:03,430 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 04:47:04,207 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 04:47:04,208 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:47:04,211 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:47:04,229 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:47:04,232 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:47:04,656 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 04:47:04,659 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 04:47:04,691 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 04:47:04,692 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 04:47:04,693 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 04:47:04,694 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 04:47:04,694 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 04:47:04,694 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 04:47:04,697 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 04:47:04,697 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 04:47:04,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:47:04,737 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:47:04,759 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_configure_pc8736x_gpio_get.i[5469,5482] [2022-12-06 04:47:04,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,765 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 04:47:04,766 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:47:04,766 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:47:04,768 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:47:04,772 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:47:04,773 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:47:04,776 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 04:47:04,782 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,783 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:47:04,784 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:47:04,796 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 04:47:04,796 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 04:47:04,796 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 04:47:04,800 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 04:47:04,800 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:47:04,801 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 04:47:04,801 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:47:04,808 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 04:47:04,817 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:47:04,819 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:47:04,821 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 04:47:04,821 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 04:47:04,826 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 04:47:04,830 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 04:47:04,831 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 04:47:04,834 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 04:47:04,838 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 04:47:04,838 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 04:47:04,838 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 04:47:04,895 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 04:47:04,896 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:47:04,904 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:47:04,908 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:47:04,911 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:47:04,943 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 04:47:04,943 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 04:47:04,947 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 04:47:04,947 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 04:47:04,948 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 04:47:04,949 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 04:47:04,949 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 04:47:04,949 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 04:47:04,950 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 04:47:04,950 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 04:47:04,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:47:05,363 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:47:05,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05 WrapperNode [2022-12-06 04:47:05,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:47:05,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:47:05,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:47:05,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:47:05,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,501 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 754 [2022-12-06 04:47:05,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:47:05,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:47:05,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:47:05,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:47:05,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,567 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:47:05,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:47:05,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:47:05,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:47:05,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (1/1) ... [2022-12-06 04:47:05,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:47:05,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:47:05,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:47:05,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:47:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:47:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 04:47:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 04:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-06 04:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:47:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:47:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 04:47:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:47:05,691 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:47:06,069 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:47:06,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:47:06,731 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:47:06,757 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:47:06,757 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2022-12-06 04:47:06,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:47:06 BoogieIcfgContainer [2022-12-06 04:47:06,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:47:06,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:47:06,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:47:06,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:47:06,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:47:00" (1/3) ... [2022-12-06 04:47:06,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7fd8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:47:06, skipping insertion in model container [2022-12-06 04:47:06,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:05" (2/3) ... [2022-12-06 04:47:06,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7fd8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:47:06, skipping insertion in model container [2022-12-06 04:47:06,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:47:06" (3/3) ... [2022-12-06 04:47:06,765 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-06 04:47:06,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:47:06,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:47:06,778 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:47:06,879 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 04:47:06,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 783 places, 832 transitions, 1680 flow [2022-12-06 04:47:07,094 INFO L130 PetriNetUnfolder]: 56/830 cut-off events. [2022-12-06 04:47:07,095 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:47:07,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 830 events. 56/830 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1320 event pairs, 0 based on Foata normal form. 0/773 useless extension candidates. Maximal degree in co-relation 652. Up to 9 conditions per place. [2022-12-06 04:47:07,102 INFO L82 GeneralOperation]: Start removeDead. Operand has 783 places, 832 transitions, 1680 flow [2022-12-06 04:47:07,106 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 275 transitions, 550 flow [2022-12-06 04:47:07,107 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:47:07,117 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 275 transitions, 550 flow [2022-12-06 04:47:07,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 269 places, 275 transitions, 550 flow [2022-12-06 04:47:07,152 INFO L130 PetriNetUnfolder]: 7/275 cut-off events. [2022-12-06 04:47:07,152 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:47:07,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 275 events. 7/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 45 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 04:47:07,156 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 275 transitions, 550 flow [2022-12-06 04:47:07,156 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:47:07,886 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:07,887 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:08,586 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:08,587 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:47:08,589 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:08,589 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:09,167 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:09,168 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:09,169 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:09,170 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:09,172 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:09,172 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:09,174 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:09,175 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:09,536 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:09,537 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:10,606 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:10,606 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:10,723 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:10,723 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:47:10,725 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:10,726 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 04:47:10,729 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:10,729 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2022-12-06 04:47:10,732 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:10,733 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:16,246 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,247 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:47:16,249 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,251 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 04:47:16,253 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,254 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-06 04:47:16,258 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,260 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 04:47:16,265 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,266 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:16,975 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,976 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:47:16,978 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,978 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 04:47:16,980 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,981 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:47:16,982 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,983 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 04:47:16,984 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:16,985 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:22,142 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:22,143 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:47:22,146 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:22,146 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 04:47:22,148 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:22,149 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:47:22,151 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:22,152 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 04:47:22,153 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:22,154 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:38,165 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:38,165 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:38,167 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:38,168 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:38,169 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:38,170 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:38,171 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:47:38,171 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:47:46,564 WARN L233 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:47:52,996 WARN L233 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:48:01,457 WARN L233 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:48:08,166 WARN L233 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:48:10,682 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:48:10,683 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:48:10,686 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:48:10,687 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 04:48:10,689 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:48:10,690 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:48:10,692 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:48:10,693 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 04:48:10,695 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:48:10,696 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-06 04:50:56,327 WARN L233 SmtUtils]: Spent 2.66m on a formula simplification. DAG size of input: 591 DAG size of output: 589 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:52:24,417 WARN L233 SmtUtils]: Spent 1.47m 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) [2022-12-06 04:54:50,743 WARN L233 SmtUtils]: Spent 2.44m on a formula simplification. DAG size of input: 591 DAG size of output: 589 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:56:03,069 WARN L233 SmtUtils]: Spent 1.21m 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) [2022-12-06 04:56:03,103 INFO L203 LiptonReduction]: Total number of compositions: 269 [2022-12-06 04:56:03,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:56:03,127 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=REPEATED_LIPTON_PN, 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;@3516db99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:56:03,128 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 04:56:03,132 INFO L130 PetriNetUnfolder]: 2/4 cut-off events. [2022-12-06 04:56:03,133 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:56:03,133 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:56:03,133 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 04:56:03,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 04:56:03,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:56:03,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2493395, now seen corresponding path program 1 times [2022-12-06 04:56:03,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:56:03,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957747436] [2022-12-06 04:56:03,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:56:03,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:56:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:56:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:56:03,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:56:03,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957747436] [2022-12-06 04:56:03,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957747436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:56:03,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:56:03,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 04:56:03,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551418366] [2022-12-06 04:56:03,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:56:03,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 04:56:03,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:56:03,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 04:56:03,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 04:56:03,605 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 5 [2022-12-06 04:56:03,606 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 4 places, 5 transitions, 10 flow. Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:56:03,606 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:56:03,606 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 5 [2022-12-06 04:56:03,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:56:03,707 INFO L130 PetriNetUnfolder]: 1/3 cut-off events. [2022-12-06 04:56:03,707 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:56:03,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8 conditions, 3 events. 1/3 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 1 event pairs, 0 based on Foata normal form. 1/3 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2022-12-06 04:56:03,708 INFO L137 encePairwiseOnDemand]: 3/5 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2022-12-06 04:56:03,708 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 4 places, 3 transitions, 12 flow [2022-12-06 04:56:03,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 04:56:03,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 04:56:03,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2022-12-06 04:56:03,716 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 04:56:03,717 INFO L175 Difference]: Start difference. First operand has 4 places, 5 transitions, 10 flow. Second operand 2 states and 5 transitions. [2022-12-06 04:56:03,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 4 places, 3 transitions, 12 flow [2022-12-06 04:56:03,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 4 places, 3 transitions, 12 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 04:56:03,719 INFO L231 Difference]: Finished difference. Result has 4 places, 0 transitions, 0 flow [2022-12-06 04:56:03,720 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=5, PETRI_DIFFERENCE_MINUEND_FLOW=6, PETRI_DIFFERENCE_MINUEND_PLACES=3, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=4, PETRI_TRANSITIONS=0} [2022-12-06 04:56:03,723 INFO L294 CegarLoopForPetriNet]: 4 programPoint places, 0 predicate places. [2022-12-06 04:56:03,723 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:56:03,723 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 4 places, 0 transitions, 0 flow [2022-12-06 04:56:03,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:56:03,724 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:56:03,724 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:56:03,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:56:03,724 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:56:03,724 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:56:03,724 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:56:03,725 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 04:56:03,725 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:56:03,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:56:03,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 04:56:03,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 04:56:03,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-06 04:56:03,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:56:03,727 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 04:56:03,735 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:56:03,735 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:56:03,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:56:03 BasicIcfg [2022-12-06 04:56:03,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:56:03,742 INFO L158 Benchmark]: Toolchain (without parser) took 543274.40ms. Allocated memory was 178.3MB in the beginning and 348.1MB in the end (delta: 169.9MB). Free memory was 144.0MB in the beginning and 204.2MB in the end (delta: -60.2MB). Peak memory consumption was 110.7MB. Max. memory is 8.0GB. [2022-12-06 04:56:03,742 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:56:03,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4896.09ms. Allocated memory was 178.3MB in the beginning and 280.0MB in the end (delta: 101.7MB). Free memory was 143.5MB in the beginning and 143.0MB in the end (delta: 465.2kB). Peak memory consumption was 113.3MB. Max. memory is 8.0GB. [2022-12-06 04:56:03,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.22ms. Allocated memory is still 280.0MB. Free memory was 143.0MB in the beginning and 131.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-06 04:56:03,743 INFO L158 Benchmark]: Boogie Preprocessor took 77.44ms. Allocated memory is still 280.0MB. Free memory was 131.0MB in the beginning and 125.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-06 04:56:03,743 INFO L158 Benchmark]: RCFGBuilder took 1180.39ms. Allocated memory is still 280.0MB. Free memory was 125.2MB in the beginning and 155.4MB in the end (delta: -30.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-12-06 04:56:03,744 INFO L158 Benchmark]: TraceAbstraction took 536978.94ms. Allocated memory was 280.0MB in the beginning and 348.1MB in the end (delta: 68.2MB). Free memory was 154.3MB in the beginning and 204.2MB in the end (delta: -49.9MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. [2022-12-06 04:56:03,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4896.09ms. Allocated memory was 178.3MB in the beginning and 280.0MB in the end (delta: 101.7MB). Free memory was 143.5MB in the beginning and 143.0MB in the end (delta: 465.2kB). Peak memory consumption was 113.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 136.22ms. Allocated memory is still 280.0MB. Free memory was 143.0MB in the beginning and 131.0MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.44ms. Allocated memory is still 280.0MB. Free memory was 131.0MB in the beginning and 125.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1180.39ms. Allocated memory is still 280.0MB. Free memory was 125.2MB in the beginning and 155.4MB in the end (delta: -30.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 536978.94ms. Allocated memory was 280.0MB in the beginning and 348.1MB in the end (delta: 68.2MB). Free memory was 154.3MB in the beginning and 204.2MB in the end (delta: -49.9MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 535.9s, 269 PlacesBefore, 4 PlacesAfterwards, 275 TransitionsBefore, 5 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 265 TrivialYvCompositions, 0 ConcurrentYvCompositions, 4 ChoiceCompositions, 269 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 987 locations, 3 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: 536.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 536.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 2, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 04:56:03,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...