/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_open_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 14:55:29,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 14:55:29,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 14:55:29,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 14:55:29,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 14:55:29,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 14:55:29,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 14:55:29,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 14:55:29,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 14:55:29,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 14:55:29,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 14:55:29,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 14:55:29,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 14:55:29,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 14:55:29,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 14:55:29,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 14:55:29,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 14:55:29,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 14:55:29,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 14:55:29,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 14:55:29,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 14:55:29,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 14:55:29,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 14:55:29,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 14:55:29,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 14:55:29,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 14:55:29,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 14:55:29,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 14:55:29,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 14:55:29,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 14:55:29,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 14:55:29,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 14:55:29,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 14:55:29,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 14:55:29,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 14:55:29,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 14:55:29,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 14:55:29,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 14:55:29,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 14:55:29,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 14:55:29,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 14:55:29,571 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 14:55:29,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 14:55:29,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 14:55:29,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 14:55:29,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 14:55:29,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 14:55:29,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 14:55:29,588 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 14:55:29,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 14:55:29,589 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 14:55:29,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 14:55:29,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 14:55:29,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 14:55:29,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 14:55:29,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 14:55:29,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 14:55:29,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 14:55:29,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 14:55:29,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 14:55:29,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 14:55:29,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 14:55:29,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 14:55:29,590 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 14:55:29,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 14:55:29,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 14:55:29,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 14:55:29,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 14:55:29,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 14:55:29,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 14:55:29,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 14:55:29,591 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 14:55:29,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-12 14:55:29,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 14:55:29,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 14:55:29,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 14:55:29,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 14:55:29,880 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 14:55:29,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-12 14:55:30,756 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 14:55:31,166 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 14:55:31,167 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-12 14:55:31,203 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732d8ea47/c4997480852f41f1ad10b4ebec34ec23/FLAG98409d081 [2022-12-12 14:55:31,216 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/732d8ea47/c4997480852f41f1ad10b4ebec34ec23 [2022-12-12 14:55:31,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 14:55:31,219 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 14:55:31,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 14:55:31,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 14:55:31,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 14:55:31,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 02:55:31" (1/1) ... [2022-12-12 14:55:31,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@829aae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:31, skipping insertion in model container [2022-12-12 14:55:31,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 02:55:31" (1/1) ... [2022-12-12 14:55:31,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 14:55:31,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 14:55:31,545 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i[5469,5482] [2022-12-12 14:55:31,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,708 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,715 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,722 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,729 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 14:55:31,733 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:55:31,737 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:55:31,743 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:55:31,816 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 14:55:31,821 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 14:55:31,887 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 14:55:31,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:31,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:31,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:32,053 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 14:55:32,055 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 14:55:32,057 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 14:55:32,121 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 14:55:32,121 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 14:55:32,126 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 14:55:32,126 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 14:55:32,250 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 14:55:32,522 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 14:55:32,528 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 14:55:32,573 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 14:55:32,575 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 14:55:32,763 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 14:55:32,878 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 14:55:32,881 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 14:55:32,978 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 14:55:33,097 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 14:55:33,097 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 14:55:33,098 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 14:55:33,686 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 14:55:33,687 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:55:33,689 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:55:33,693 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:55:33,697 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:55:34,097 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 14:55:34,097 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 14:55:34,128 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 14:55:34,129 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 14:55:34,130 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 14:55:34,131 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 14:55:34,131 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 14:55:34,132 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 14:55:34,134 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 14:55:34,135 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 14:55:34,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 14:55:34,177 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 14:55:34,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i[5469,5482] [2022-12-12 14:55:34,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,239 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,239 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,240 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,240 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,240 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,240 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 14:55:34,241 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:55:34,241 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:55:34,241 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 14:55:34,244 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 14:55:34,246 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 14:55:34,250 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 14:55:34,260 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 14:55:34,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 14:55:34,272 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 14:55:34,272 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 14:55:34,272 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 14:55:34,275 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 14:55:34,276 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 14:55:34,276 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 14:55:34,277 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 14:55:34,283 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 14:55:34,292 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 14:55:34,294 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 14:55:34,295 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 14:55:34,295 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 14:55:34,301 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 14:55:34,305 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 14:55:34,306 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 14:55:34,309 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 14:55:34,312 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 14:55:34,313 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 14:55:34,313 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 14:55:34,373 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 14:55:34,373 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:55:34,375 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:55:34,378 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:55:34,381 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 14:55:34,412 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 14:55:34,412 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 14:55:34,415 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 14:55:34,416 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 14:55:34,417 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 14:55:34,418 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 14:55:34,418 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 14:55:34,418 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 14:55:34,418 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 14:55:34,418 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 14:55:34,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 14:55:34,770 INFO L208 MainTranslator]: Completed translation [2022-12-12 14:55:34,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34 WrapperNode [2022-12-12 14:55:34,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 14:55:34,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 14:55:34,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 14:55:34,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 14:55:34,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,892 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 662 [2022-12-12 14:55:34,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 14:55:34,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 14:55:34,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 14:55:34,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 14:55:34,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 14:55:34,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 14:55:34,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 14:55:34,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 14:55:34,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (1/1) ... [2022-12-12 14:55:34,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 14:55:34,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 14:55:34,969 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 14:55:34,988 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 14:55:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 14:55:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 14:55:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-12 14:55:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 14:55:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 14:55:35,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-12 14:55:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 14:55:35,019 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 14:55:35,420 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 14:55:35,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 14:55:36,027 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 14:55:36,038 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 14:55:36,038 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2022-12-12 14:55:36,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 02:55:36 BoogieIcfgContainer [2022-12-12 14:55:36,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 14:55:36,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 14:55:36,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 14:55:36,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 14:55:36,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 02:55:31" (1/3) ... [2022-12-12 14:55:36,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23390a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 02:55:36, skipping insertion in model container [2022-12-12 14:55:36,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 02:55:34" (2/3) ... [2022-12-12 14:55:36,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23390a53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 02:55:36, skipping insertion in model container [2022-12-12 14:55:36,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 02:55:36" (3/3) ... [2022-12-12 14:55:36,045 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-12 14:55:36,057 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 14:55:36,058 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-12 14:55:36,058 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 14:55:36,128 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 14:55:36,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 681 places, 726 transitions, 1468 flow [2022-12-12 14:55:36,352 INFO L130 PetriNetUnfolder]: 52/724 cut-off events. [2022-12-12 14:55:36,352 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 14:55:36,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 724 events. 52/724 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1032 event pairs, 0 based on Foata normal form. 0/670 useless extension candidates. Maximal degree in co-relation 653. Up to 9 conditions per place. [2022-12-12 14:55:36,360 INFO L82 GeneralOperation]: Start removeDead. Operand has 681 places, 726 transitions, 1468 flow [2022-12-12 14:55:36,369 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 671 places, 716 transitions, 1441 flow [2022-12-12 14:55:36,371 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 14:55:36,389 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 671 places, 716 transitions, 1441 flow [2022-12-12 14:55:36,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 671 places, 716 transitions, 1441 flow [2022-12-12 14:55:36,493 INFO L130 PetriNetUnfolder]: 52/716 cut-off events. [2022-12-12 14:55:36,493 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-12 14:55:36,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 716 events. 52/716 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 965 event pairs, 0 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 653. Up to 9 conditions per place. [2022-12-12 14:55:36,504 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 671 places, 716 transitions, 1441 flow [2022-12-12 14:55:36,504 INFO L226 LiptonReduction]: Number of co-enabled transitions 8602 [2022-12-12 14:57:47,467 WARN L233 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 612 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:58:31,207 WARN L233 SmtUtils]: Spent 43.73s on a formula simplification that was a NOOP. DAG size: 536 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 14:59:24,397 WARN L233 SmtUtils]: Spent 53.19s on a formula simplification that was a NOOP. DAG size: 612 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 15:00:07,528 WARN L233 SmtUtils]: Spent 43.11s on a formula simplification that was a NOOP. DAG size: 536 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 15:01:17,354 WARN L233 SmtUtils]: Spent 1.16m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 15:01:52,249 WARN L233 SmtUtils]: Spent 34.88s 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 15:02:54,075 WARN L233 SmtUtils]: Spent 1.03m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 15:03:25,597 WARN L233 SmtUtils]: Spent 31.52s 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 15:03:57,729 INFO L241 LiptonReduction]: Total number of compositions: 664 [2022-12-12 15:03:57,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 15:03:57,746 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;@625366d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 15:03:57,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-12 15:03:57,752 INFO L130 PetriNetUnfolder]: 4/9 cut-off events. [2022-12-12 15:03:57,752 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 15:03:57,752 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 15:03:57,752 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-12 15:03:57,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 15:03:57,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 15:03:57,756 INFO L85 PathProgramCache]: Analyzing trace with hash 2657087, now seen corresponding path program 1 times [2022-12-12 15:03:57,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 15:03:57,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509710082] [2022-12-12 15:03:57,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 15:03:57,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 15:03:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 15:03:58,138 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 15:03:58,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 15:03:58,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509710082] [2022-12-12 15:03:58,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509710082] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 15:03:58,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 15:03:58,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 15:03:58,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242762352] [2022-12-12 15:03:58,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 15:03:58,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-12 15:03:58,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 15:03:58,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-12 15:03:58,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-12 15:03:58,163 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 101 [2022-12-12 15:03:58,164 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 101 transitions, 211 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 15:03:58,164 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 15:03:58,164 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 101 [2022-12-12 15:03:58,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 15:03:58,687 INFO L130 PetriNetUnfolder]: 1495/2564 cut-off events. [2022-12-12 15:03:58,687 INFO L131 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2022-12-12 15:03:58,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5190 conditions, 2564 events. 1495/2564 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 15835 event pairs, 1485 based on Foata normal form. 0/1112 useless extension candidates. Maximal degree in co-relation 4683. Up to 2558 conditions per place. [2022-12-12 15:03:58,694 INFO L137 encePairwiseOnDemand]: 90/101 looper letters, 83 selfloop transitions, 0 changer transitions 4/90 dead transitions. [2022-12-12 15:03:58,694 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 90 transitions, 363 flow [2022-12-12 15:03:58,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-12 15:03:58,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-12 15:03:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 104 transitions. [2022-12-12 15:03:58,704 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5148514851485149 [2022-12-12 15:03:58,705 INFO L175 Difference]: Start difference. First operand has 88 places, 101 transitions, 211 flow. Second operand 2 states and 104 transitions. [2022-12-12 15:03:58,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 90 transitions, 363 flow [2022-12-12 15:03:58,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 90 transitions, 358 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-12 15:03:58,710 INFO L231 Difference]: Finished difference. Result has 85 places, 86 transitions, 175 flow [2022-12-12 15:03:58,712 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=175, PETRI_PLACES=85, PETRI_TRANSITIONS=86} [2022-12-12 15:03:58,714 INFO L295 CegarLoopForPetriNet]: 88 programPoint places, -3 predicate places. [2022-12-12 15:03:58,715 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 86 transitions, 175 flow [2022-12-12 15:03:58,715 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 15:03:58,715 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 15:03:58,715 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-12 15:03:58,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 15:03:58,716 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 15:03:58,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 15:03:58,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1825590493, now seen corresponding path program 1 times [2022-12-12 15:03:58,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 15:03:58,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378582150] [2022-12-12 15:03:58,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 15:03:58,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 15:03:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 15:03:59,308 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 15:03:59,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 15:03:59,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378582150] [2022-12-12 15:03:59,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378582150] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 15:03:59,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 15:03:59,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 15:03:59,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707025107] [2022-12-12 15:03:59,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 15:03:59,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 15:03:59,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 15:03:59,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 15:03:59,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 15:03:59,314 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 101 [2022-12-12 15:03:59,315 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 86 transitions, 175 flow. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15:03:59,315 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 15:03:59,315 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 101 [2022-12-12 15:03:59,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 15:03:59,989 INFO L130 PetriNetUnfolder]: 976/1777 cut-off events. [2022-12-12 15:03:59,989 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 15:03:59,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3561 conditions, 1777 events. 976/1777 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 12029 event pairs, 710 based on Foata normal form. 158/941 useless extension candidates. Maximal degree in co-relation 3558. Up to 1357 conditions per place. [2022-12-12 15:03:59,994 INFO L137 encePairwiseOnDemand]: 98/101 looper letters, 78 selfloop transitions, 2 changer transitions 61/143 dead transitions. [2022-12-12 15:03:59,994 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 143 transitions, 571 flow [2022-12-12 15:03:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 15:03:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 15:03:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 150 transitions. [2022-12-12 15:03:59,995 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.49504950495049505 [2022-12-12 15:03:59,996 INFO L175 Difference]: Start difference. First operand has 85 places, 86 transitions, 175 flow. Second operand 3 states and 150 transitions. [2022-12-12 15:03:59,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 143 transitions, 571 flow [2022-12-12 15:03:59,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 143 transitions, 571 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-12 15:03:59,998 INFO L231 Difference]: Finished difference. Result has 84 places, 82 transitions, 175 flow [2022-12-12 15:03:59,998 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=175, PETRI_PLACES=84, PETRI_TRANSITIONS=82} [2022-12-12 15:03:59,998 INFO L295 CegarLoopForPetriNet]: 88 programPoint places, -4 predicate places. [2022-12-12 15:03:59,999 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 82 transitions, 175 flow [2022-12-12 15:03:59,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 15:03:59,999 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 15:03:59,999 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-12 15:03:59,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 15:03:59,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 15:03:59,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 15:03:59,999 INFO L85 PathProgramCache]: Analyzing trace with hash 758725296, now seen corresponding path program 1 times [2022-12-12 15:03:59,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 15:03:59,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342416718] [2022-12-12 15:03:59,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 15:04:00,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 15:04:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 15:04:01,101 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 15:04:01,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 15:04:01,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342416718] [2022-12-12 15:04:01,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342416718] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 15:04:01,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 15:04:01,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 15:04:01,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913770205] [2022-12-12 15:04:01,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 15:04:01,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 15:04:01,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 15:04:01,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 15:04:01,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-12 15:04:01,103 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 101 [2022-12-12 15:04:01,103 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 82 transitions, 175 flow. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 15:04:01,103 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 15:04:01,103 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 101 [2022-12-12 15:04:01,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 15:04:01,758 INFO L130 PetriNetUnfolder]: 109/279 cut-off events. [2022-12-12 15:04:01,758 INFO L131 PetriNetUnfolder]: For 154/154 co-relation queries the response was YES. [2022-12-12 15:04:01,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 279 events. 109/279 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 1721 event pairs, 100 based on Foata normal form. 154/229 useless extension candidates. Maximal degree in co-relation 562. Up to 255 conditions per place. [2022-12-12 15:04:01,759 INFO L137 encePairwiseOnDemand]: 90/101 looper letters, 0 selfloop transitions, 0 changer transitions 79/79 dead transitions. [2022-12-12 15:04:01,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 79 transitions, 321 flow [2022-12-12 15:04:01,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 15:04:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 15:04:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 97 transitions. [2022-12-12 15:04:01,760 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.16006600660066006 [2022-12-12 15:04:01,760 INFO L175 Difference]: Start difference. First operand has 84 places, 82 transitions, 175 flow. Second operand 6 states and 97 transitions. [2022-12-12 15:04:01,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 79 transitions, 321 flow [2022-12-12 15:04:01,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 79 transitions, 315 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-12 15:04:01,773 INFO L231 Difference]: Finished difference. Result has 80 places, 0 transitions, 0 flow [2022-12-12 15:04:01,773 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=80, PETRI_TRANSITIONS=0} [2022-12-12 15:04:01,773 INFO L295 CegarLoopForPetriNet]: 88 programPoint places, -8 predicate places. [2022-12-12 15:04:01,774 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 0 transitions, 0 flow [2022-12-12 15:04:01,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 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 15:04:01,775 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-12 15:04:01,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-12 15:04:01,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-12 15:04:01,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-12 15:04:01,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-12 15:04:01,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 15:04:01,776 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-12 15:04:01,779 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 15:04:01,779 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 15:04:01,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 03:04:01 BasicIcfg [2022-12-12 15:04:01,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 15:04:01,782 INFO L158 Benchmark]: Toolchain (without parser) took 510562.85ms. Allocated memory was 176.2MB in the beginning and 374.3MB in the end (delta: 198.2MB). Free memory was 140.7MB in the beginning and 274.9MB in the end (delta: -134.2MB). Peak memory consumption was 279.7MB. Max. memory is 8.0GB. [2022-12-12 15:04:01,782 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 15:04:01,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3549.16ms. Allocated memory was 176.2MB in the beginning and 213.9MB in the end (delta: 37.7MB). Free memory was 140.4MB in the beginning and 138.1MB in the end (delta: 2.4MB). Peak memory consumption was 97.6MB. Max. memory is 8.0GB. [2022-12-12 15:04:01,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.18ms. Allocated memory is still 213.9MB. Free memory was 138.1MB in the beginning and 126.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-12 15:04:01,783 INFO L158 Benchmark]: Boogie Preprocessor took 52.97ms. Allocated memory is still 213.9MB. Free memory was 126.5MB in the beginning and 121.3MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-12 15:04:01,783 INFO L158 Benchmark]: RCFGBuilder took 1093.85ms. Allocated memory is still 213.9MB. Free memory was 120.8MB in the beginning and 125.5MB in the end (delta: -4.8MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2022-12-12 15:04:01,783 INFO L158 Benchmark]: TraceAbstraction took 505739.90ms. Allocated memory was 213.9MB in the beginning and 374.3MB in the end (delta: 160.4MB). Free memory was 124.5MB in the beginning and 274.9MB in the end (delta: -150.4MB). Peak memory consumption was 225.0MB. Max. memory is 8.0GB. [2022-12-12 15:04:01,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3549.16ms. Allocated memory was 176.2MB in the beginning and 213.9MB in the end (delta: 37.7MB). Free memory was 140.4MB in the beginning and 138.1MB in the end (delta: 2.4MB). Peak memory consumption was 97.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 121.18ms. Allocated memory is still 213.9MB. Free memory was 138.1MB in the beginning and 126.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.97ms. Allocated memory is still 213.9MB. Free memory was 126.5MB in the beginning and 121.3MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1093.85ms. Allocated memory is still 213.9MB. Free memory was 120.8MB in the beginning and 125.5MB in the end (delta: -4.8MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * TraceAbstraction took 505739.90ms. Allocated memory was 213.9MB in the beginning and 374.3MB in the end (delta: 160.4MB). Free memory was 124.5MB in the beginning and 274.9MB in the end (delta: -150.4MB). Peak memory consumption was 225.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 501.2s, 671 PlacesBefore, 88 PlacesAfterwards, 716 TransitionsBefore, 101 TransitionsAfterwards, 8602 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 104 ConcurrentYvCompositions, 26 ChoiceCompositions, 664 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10359, independent: 10301, independent conditional: 10301, independent unconditional: 0, dependent: 58, dependent conditional: 58, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10359, independent: 10301, independent conditional: 0, independent unconditional: 10301, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10359, independent: 10301, independent conditional: 0, independent unconditional: 10301, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10359, independent: 10301, independent conditional: 0, independent unconditional: 10301, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6621, independent: 6598, independent conditional: 0, independent unconditional: 6598, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6621, independent: 6598, independent conditional: 0, independent unconditional: 6598, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10359, independent: 3703, independent conditional: 0, independent unconditional: 3703, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 6621, unknown conditional: 0, unknown unconditional: 6621] , Statistics on independence cache: Total cache size (in pairs): 19829, Positive cache size: 19806, Positive conditional cache size: 0, Positive unconditional cache size: 19806, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, 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 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 783 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 505.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 501.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 295 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 295 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 445 IncrementalHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 0 mSDtfsCounter, 445 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=211occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-12 15:04:01,834 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...