/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-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 03:35:20,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 03:35:20,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 03:35:21,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 03:35:21,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 03:35:21,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 03:35:21,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 03:35:21,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 03:35:21,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 03:35:21,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 03:35:21,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 03:35:21,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 03:35:21,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 03:35:21,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 03:35:21,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 03:35:21,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 03:35:21,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 03:35:21,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 03:35:21,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 03:35:21,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 03:35:21,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 03:35:21,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 03:35:21,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 03:35:21,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 03:35:21,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 03:35:21,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 03:35:21,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 03:35:21,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 03:35:21,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 03:35:21,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 03:35:21,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 03:35:21,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 03:35:21,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 03:35:21,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 03:35:21,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 03:35:21,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 03:35:21,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 03:35:21,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 03:35:21,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 03:35:21,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 03:35:21,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 03:35:21,052 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-RepeatedSemanticLbe.epf [2022-12-13 03:35:21,080 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 03:35:21,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 03:35:21,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 03:35:21,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 03:35:21,082 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 03:35:21,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 03:35:21,083 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 03:35:21,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 03:35:21,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 03:35:21,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 03:35:21,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 03:35:21,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 03:35:21,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 03:35:21,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 03:35:21,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 03:35:21,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 03:35:21,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 03:35:21,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 03:35:21,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 03:35:21,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 03:35:21,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 03:35:21,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 03:35:21,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 03:35:21,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 03:35:21,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 03:35:21,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 03:35:21,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 03:35:21,085 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 03:35:21,085 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-13 03:35:21,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 03:35:21,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 03:35:21,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 03:35:21,346 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 03:35:21,347 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 03:35:21,348 INFO L432 ainManager$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 [2022-12-13 03:35:22,314 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 03:35:22,701 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 03:35:22,701 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-13 03:35:22,734 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b3c535d/945abfcc138f4f2cbc08ac496cfc5d65/FLAG3c769c950 [2022-12-13 03:35:22,746 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b3c535d/945abfcc138f4f2cbc08ac496cfc5d65 [2022-12-13 03:35:22,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 03:35:22,758 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 03:35:22,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 03:35:22,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 03:35:22,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 03:35:22,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:35:22" (1/1) ... [2022-12-13 03:35:22,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c681d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:22, skipping insertion in model container [2022-12-13 03:35:22,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:35:22" (1/1) ... [2022-12-13 03:35:22,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 03:35:22,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 03:35:23,084 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] [2022-12-13 03:35:23,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,314 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,349 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 03:35:23,359 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:35:23,363 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:35:23,371 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:35:23,468 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:35:23,473 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:35:23,553 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 03:35:23,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:23,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:23,760 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 03:35:23,763 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 03:35:23,766 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 03:35:23,840 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 03:35:23,841 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:35:23,843 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 03:35:23,843 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:35:23,957 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 03:35:24,273 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:35:24,281 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:35:24,328 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 03:35:24,331 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 03:35:24,501 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 03:35:24,660 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 03:35:24,665 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 03:35:24,842 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 03:35:24,985 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 03:35:24,985 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 03:35:24,985 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 03:35:25,745 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 03:35:25,746 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:35:25,749 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:35:25,752 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:35:25,760 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:35:26,318 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 03:35:26,320 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 03:35:26,342 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 03:35:26,342 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 03:35:26,343 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 03:35:26,344 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 03:35:26,344 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 03:35:26,344 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 03:35:26,346 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 03:35:26,347 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 03:35:26,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 03:35:26,384 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 03:35:26,410 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] [2022-12-13 03:35:26,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,417 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 03:35:26,417 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:35:26,417 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:35:26,417 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:35:26,421 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:35:26,422 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:35:26,423 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 03:35:26,451 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:35:26,453 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:35:26,459 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 03:35:26,460 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 03:35:26,460 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 03:35:26,462 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 03:35:26,463 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:35:26,463 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 03:35:26,463 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:35:26,470 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 03:35:26,479 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:35:26,484 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:35:26,485 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 03:35:26,485 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 03:35:26,490 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 03:35:26,493 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 03:35:26,494 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 03:35:26,498 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 03:35:26,501 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 03:35:26,501 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 03:35:26,502 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 03:35:26,554 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 03:35:26,554 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:35:26,557 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:35:26,563 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:35:26,565 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:35:26,596 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 03:35:26,596 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 03:35:26,600 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 03:35:26,601 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 03:35:26,601 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 03:35:26,602 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 03:35:26,602 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 03:35:26,603 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 03:35:26,603 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 03:35:26,604 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 03:35:26,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 03:35:26,940 INFO L208 MainTranslator]: Completed translation [2022-12-13 03:35:26,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26 WrapperNode [2022-12-13 03:35:26,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 03:35:26,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 03:35:26,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 03:35:26,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 03:35:26,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,075 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 662 [2022-12-13 03:35:27,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 03:35:27,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 03:35:27,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 03:35:27,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 03:35:27,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 03:35:27,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 03:35:27,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 03:35:27,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 03:35:27,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (1/1) ... [2022-12-13 03:35:27,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 03:35:27,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 03:35:27,170 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) [2022-12-13 03:35:27,188 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 [2022-12-13 03:35:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 03:35:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 03:35:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 03:35:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 03:35:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 03:35:27,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 03:35:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-13 03:35:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-13 03:35:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 03:35:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-13 03:35:27,210 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-13 03:35:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 03:35:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 03:35:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 03:35:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 03:35:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 03:35:27,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 03:35:27,212 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 03:35:27,559 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 03:35:27,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 03:35:28,127 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 03:35:28,141 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 03:35:28,141 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2022-12-13 03:35:28,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:35:28 BoogieIcfgContainer [2022-12-13 03:35:28,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 03:35:28,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 03:35:28,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 03:35:28,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 03:35:28,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:35:22" (1/3) ... [2022-12-13 03:35:28,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b618ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:35:28, skipping insertion in model container [2022-12-13 03:35:28,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:35:26" (2/3) ... [2022-12-13 03:35:28,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b618ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:35:28, skipping insertion in model container [2022-12-13 03:35:28,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:35:28" (3/3) ... [2022-12-13 03:35:28,149 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-13 03:35:28,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 03:35:28,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 03:35:28,161 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 03:35:28,263 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 03:35:28,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 681 places, 726 transitions, 1468 flow [2022-12-13 03:35:28,418 INFO L130 PetriNetUnfolder]: 52/724 cut-off events. [2022-12-13 03:35:28,419 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 03:35:28,424 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. [2022-12-13 03:35:28,424 INFO L82 GeneralOperation]: Start removeDead. Operand has 681 places, 726 transitions, 1468 flow [2022-12-13 03:35:28,431 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 671 places, 716 transitions, 1441 flow [2022-12-13 03:35:28,444 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:35:28,461 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 671 places, 716 transitions, 1441 flow [2022-12-13 03:35:28,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 671 places, 716 transitions, 1441 flow [2022-12-13 03:35:28,570 INFO L130 PetriNetUnfolder]: 52/716 cut-off events. [2022-12-13 03:35:28,570 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 03:35:28,573 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. [2022-12-13 03:35:28,580 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 671 places, 716 transitions, 1441 flow [2022-12-13 03:35:28,580 INFO L226 LiptonReduction]: Number of co-enabled transitions 8602 [2022-12-13 03:37:35,800 WARN L233 SmtUtils]: Spent 1.00m 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) [2022-12-13 03:38:18,217 WARN L233 SmtUtils]: Spent 42.40s 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) [2022-12-13 03:39:10,528 WARN L233 SmtUtils]: Spent 52.31s 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) [2022-12-13 03:39:53,104 WARN L233 SmtUtils]: Spent 42.56s 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) [2022-12-13 03:41:04,106 WARN L233 SmtUtils]: Spent 1.18m 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) [2022-12-13 03:41:40,083 WARN L233 SmtUtils]: Spent 35.97s 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) [2022-12-13 03:42:42,679 WARN L233 SmtUtils]: Spent 1.04m 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) [2022-12-13 03:43:13,544 WARN L233 SmtUtils]: Spent 30.86s 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) [2022-12-13 03:43:45,339 INFO L241 LiptonReduction]: Total number of compositions: 664 [2022-12-13 03:43:45,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 03:43:45,360 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;@1c4bed80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 03:43:45,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 03:43:45,366 INFO L130 PetriNetUnfolder]: 4/9 cut-off events. [2022-12-13 03:43:45,366 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 03:43:45,367 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:43:45,367 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 03:43:45,368 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)] === [2022-12-13 03:43:45,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:43:45,371 INFO L85 PathProgramCache]: Analyzing trace with hash 2657087, now seen corresponding path program 1 times [2022-12-13 03:43:45,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:43:45,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491977409] [2022-12-13 03:43:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:43:45,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:43:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:43:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 03:43:45,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:43:45,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491977409] [2022-12-13 03:43:45,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491977409] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:43:45,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:43:45,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 03:43:45,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053313055] [2022-12-13 03:43:45,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:43:45,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 03:43:45,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:43:45,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 03:43:45,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 03:43:45,810 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 101 [2022-12-13 03:43:45,811 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) [2022-12-13 03:43:45,812 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:43:45,812 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 101 [2022-12-13 03:43:45,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:43:46,335 INFO L130 PetriNetUnfolder]: 1495/2564 cut-off events. [2022-12-13 03:43:46,335 INFO L131 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2022-12-13 03:43:46,337 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. [2022-12-13 03:43:46,343 INFO L137 encePairwiseOnDemand]: 90/101 looper letters, 83 selfloop transitions, 0 changer transitions 4/90 dead transitions. [2022-12-13 03:43:46,343 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 90 transitions, 363 flow [2022-12-13 03:43:46,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 03:43:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 03:43:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 104 transitions. [2022-12-13 03:43:46,352 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5148514851485149 [2022-12-13 03:43:46,356 INFO L295 CegarLoopForPetriNet]: 88 programPoint places, 0 predicate places. [2022-12-13 03:43:46,356 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 90 transitions, 363 flow [2022-12-13 03:43:46,362 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 86 transitions, 344 flow [2022-12-13 03:43:46,370 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:43:46,371 INFO L89 Accepts]: Start accepts. Operand has 84 places, 86 transitions, 344 flow [2022-12-13 03:43:46,373 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:43:46,373 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:43:46,373 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 86 transitions, 344 flow [2022-12-13 03:43:46,378 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 86 transitions, 344 flow [2022-12-13 03:43:46,378 INFO L226 LiptonReduction]: Number of co-enabled transitions 124 [2022-12-13 03:43:46,430 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:46,431 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:46,445 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:46,445 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:48,569 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:48,570 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:48,576 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:48,577 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:49,270 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:49,272 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:49,278 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:49,278 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:52,359 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:52,360 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:52,366 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:52,367 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:52,394 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:52,397 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:52,411 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:52,424 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:55,992 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:55,993 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:55,995 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:55,996 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:43:56,703 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:43:56,705 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:44:03,978 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:44:03,979 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:44:03,982 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:44:03,983 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:44:07,492 INFO L241 LiptonReduction]: Total number of compositions: 11 [2022-12-13 03:44:07,494 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 21124 [2022-12-13 03:44:07,494 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 73 transitions, 292 flow [2022-12-13 03:44:07,495 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) [2022-12-13 03:44:07,495 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:44:07,495 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 03:44:07,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 03:44:07,496 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)] === [2022-12-13 03:44:07,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:44:07,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1861607812, now seen corresponding path program 1 times [2022-12-13 03:44:07,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:44:07,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386454163] [2022-12-13 03:44:07,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:44:07,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:44:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:44:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 03:44:08,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:44:08,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386454163] [2022-12-13 03:44:08,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386454163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:44:08,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:44:08,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 03:44:08,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388016466] [2022-12-13 03:44:08,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:44:08,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 03:44:08,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:44:08,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 03:44:08,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 03:44:08,208 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 73 [2022-12-13 03:44:08,209 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 73 transitions, 292 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) [2022-12-13 03:44:08,209 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:44:08,209 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 73 [2022-12-13 03:44:08,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:44:08,991 INFO L130 PetriNetUnfolder]: 971/1764 cut-off events. [2022-12-13 03:44:08,991 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 03:44:08,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5295 conditions, 1764 events. 971/1764 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 11834 event pairs, 710 based on Foata normal form. 158/933 useless extension candidates. Maximal degree in co-relation 5258. Up to 1758 conditions per place. [2022-12-13 03:44:08,996 INFO L137 encePairwiseOnDemand]: 70/73 looper letters, 65 selfloop transitions, 2 changer transitions 61/130 dead transitions. [2022-12-13 03:44:08,996 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 130 transitions, 777 flow [2022-12-13 03:44:08,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 03:44:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 03:44:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2022-12-13 03:44:08,999 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6255707762557078 [2022-12-13 03:44:08,999 INFO L295 CegarLoopForPetriNet]: 88 programPoint places, -10 predicate places. [2022-12-13 03:44:08,999 INFO L82 GeneralOperation]: Start removeDead. Operand has 78 places, 130 transitions, 777 flow [2022-12-13 03:44:09,003 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 69 transitions, 412 flow [2022-12-13 03:44:09,010 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:44:09,010 INFO L89 Accepts]: Start accepts. Operand has 74 places, 69 transitions, 412 flow [2022-12-13 03:44:09,011 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:44:09,011 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:44:09,011 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 69 transitions, 412 flow [2022-12-13 03:44:09,013 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 69 transitions, 412 flow [2022-12-13 03:44:09,013 INFO L226 LiptonReduction]: Number of co-enabled transitions 118 [2022-12-13 03:44:09,016 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:44:09,017 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:44:09,018 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:44:09,018 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:44:09,019 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [2393] L6882-3-->L6883-1: Formula: (let ((.cse0 (+ |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset_27| 28))) (and (= (store |v_#memory_int_233| |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base_27| (store (select |v_#memory_int_233| |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base_27|) .cse0 (select (select |v_#memory_int_232| |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base_27|) .cse0))) |v_#memory_int_232|) (= (store |v_#memory_$Pointer$.offset_162| |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base_27| (store (select |v_#memory_$Pointer$.offset_162| |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base_27|) .cse0 |v_~#pc8736x_gpio_ops~0.offset_52|)) |v_#memory_$Pointer$.offset_161|) (= |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~ret1186#1_24| |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~m~0#1_21|) (= (store |v_#memory_$Pointer$.base_162| |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base_27| (store (select |v_#memory_$Pointer$.base_162| |v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base_27|) .cse0 |v_~#pc8736x_gpio_ops~0.base_52|)) |v_#memory_$Pointer$.base_161|))) InVars {#memory_$Pointer$.base=|v_#memory_$Pointer$.base_162|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~ret1186#1=|v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~ret1186#1_24|, ~#pc8736x_gpio_ops~0.base=|v_~#pc8736x_gpio_ops~0.base_52|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset=|v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset_27|, #memory_int=|v_#memory_int_233|, ~#pc8736x_gpio_ops~0.offset=|v_~#pc8736x_gpio_ops~0.offset_52|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base=|v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base_27|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_162|} OutVars{#memory_$Pointer$.base=|v_#memory_$Pointer$.base_161|, ~#pc8736x_gpio_ops~0.base=|v_~#pc8736x_gpio_ops~0.base_52|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset=|v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.offset_27|, #memory_int=|v_#memory_int_232|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~m~0#1=|v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~m~0#1_21|, ~#pc8736x_gpio_ops~0.offset=|v_~#pc8736x_gpio_ops~0.offset_52|, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base=|v_whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~file#1.base_27|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_161|} AuxVars[] AssignedVars[#memory_$Pointer$.base, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_#t~ret1186#1, #memory_int, whoop_wrapper_pc8736x_gpio_openThread1of1ForFork0_pc8736x_gpio_open_~m~0#1, #memory_$Pointer$.offset] and [2391] L7068-3-->L7069-3: Formula: (and (= |v_#memory_$Pointer$.base_157| (store |v_#memory_$Pointer$.base_158| |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23| (store (select |v_#memory_$Pointer$.base_158| |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23|) |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.offset_23| (select (select |v_#memory_$Pointer$.base_157| |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23|) |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.offset_23|)))) (= (store |v_#memory_int_229| |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23| (store (select |v_#memory_int_229| |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23|) |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.offset_23| |v_ULTIMATE.start_main_#t~pre1238#1_23|)) |v_#memory_int_228|) (= |v_#pthreadsForks_34| |v_ULTIMATE.start_main_#t~pre1238#1_23|) (= (store |v_#memory_$Pointer$.offset_158| |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23| (store (select |v_#memory_$Pointer$.offset_158| |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23|) |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.offset_23| (select (select |v_#memory_$Pointer$.offset_157| |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23|) |v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.offset_23|))) |v_#memory_$Pointer$.offset_157|) (= |v_#pthreadsForks_33| (+ |v_#pthreadsForks_34| 1))) InVars {ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.offset_23|, ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_158|, #pthreadsForks=|v_#pthreadsForks_34|, #memory_int=|v_#memory_int_229|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_158|} OutVars{ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.offset_23|, ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_get~0#1.base_23|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_157|, #pthreadsForks=|v_#pthreadsForks_33|, ULTIMATE.start_main_#t~pre1236#1=|v_ULTIMATE.start_main_#t~pre1236#1_23|, #memory_int=|v_#memory_int_228|, ULTIMATE.start_main_#t~pre1238#1=|v_ULTIMATE.start_main_#t~pre1238#1_23|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_157|, ULTIMATE.start_main_#t~nondet1237#1=|v_ULTIMATE.start_main_#t~nondet1237#1_11|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #pthreadsForks, ULTIMATE.start_main_#t~pre1236#1, #memory_int, ULTIMATE.start_main_#t~pre1238#1, #memory_$Pointer$.offset, ULTIMATE.start_main_#t~nondet1237#1] [2022-12-13 03:44:09,101 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 03:44:09,102 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 92 [2022-12-13 03:44:09,102 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 68 transitions, 408 flow [2022-12-13 03:44:09,102 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) [2022-12-13 03:44:09,102 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:44:09,102 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 03:44:09,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 03:44:09,102 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)] === [2022-12-13 03:44:09,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:44:09,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1861618631, now seen corresponding path program 1 times [2022-12-13 03:44:09,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:44:09,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119869764] [2022-12-13 03:44:09,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:44:09,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:44:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:44:10,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 03:44:10,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:44:10,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119869764] [2022-12-13 03:44:10,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119869764] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:44:10,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:44:10,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 03:44:10,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014411585] [2022-12-13 03:44:10,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:44:10,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 03:44:10,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:44:10,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 03:44:10,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 03:44:10,530 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 68 [2022-12-13 03:44:10,530 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 68 transitions, 408 flow. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-12-13 03:44:10,530 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:44:10,530 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 68 [2022-12-13 03:44:10,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:44:11,419 INFO L130 PetriNetUnfolder]: 105/267 cut-off events. [2022-12-13 03:44:11,420 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 03:44:11,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 267 events. 105/267 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 1709 event pairs, 100 based on Foata normal form. 154/221 useless extension candidates. Maximal degree in co-relation 1025. Up to 266 conditions per place. [2022-12-13 03:44:11,421 INFO L137 encePairwiseOnDemand]: 61/68 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2022-12-13 03:44:11,421 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 67 transitions, 532 flow [2022-12-13 03:44:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 03:44:11,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 03:44:11,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 78 transitions. [2022-12-13 03:44:11,424 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.19117647058823528 [2022-12-13 03:44:11,424 INFO L295 CegarLoopForPetriNet]: 88 programPoint places, -11 predicate places. [2022-12-13 03:44:11,425 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 67 transitions, 532 flow [2022-12-13 03:44:11,425 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-13 03:44:11,426 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:44:11,426 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 03:44:11,427 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 03:44:11,427 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 03:44:11,427 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 03:44:11,431 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5 [2022-12-13 03:44:11,431 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 03:44:11,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-12-13 03:44:11,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-13 03:44:11,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-13 03:44:11,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-13 03:44:11,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-13 03:44:11,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-13 03:44:11,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 03:44:11,434 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 03:44:11,437 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 03:44:11,437 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 03:44:11,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:44:11 BasicIcfg [2022-12-13 03:44:11,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 03:44:11,442 INFO L158 Benchmark]: Toolchain (without parser) took 528684.06ms. Allocated memory was 203.4MB in the beginning and 431.0MB in the end (delta: 227.5MB). Free memory was 154.8MB in the beginning and 268.9MB in the end (delta: -114.1MB). Peak memory consumption was 114.4MB. Max. memory is 8.0GB. [2022-12-13 03:44:11,442 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory was 180.2MB in the beginning and 180.1MB in the end (delta: 69.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 03:44:11,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4181.47ms. Allocated memory was 203.4MB in the beginning and 298.8MB in the end (delta: 95.4MB). Free memory was 154.8MB in the beginning and 202.9MB in the end (delta: -48.1MB). Peak memory consumption was 138.6MB. Max. memory is 8.0GB. [2022-12-13 03:44:11,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.29ms. Allocated memory is still 298.8MB. Free memory was 202.9MB in the beginning and 191.9MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-13 03:44:11,442 INFO L158 Benchmark]: Boogie Preprocessor took 64.00ms. Allocated memory is still 298.8MB. Free memory was 191.9MB in the beginning and 186.1MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-13 03:44:11,443 INFO L158 Benchmark]: RCFGBuilder took 1002.68ms. Allocated memory is still 298.8MB. Free memory was 186.1MB in the beginning and 227.7MB in the end (delta: -41.6MB). Peak memory consumption was 59.1MB. Max. memory is 8.0GB. [2022-12-13 03:44:11,443 INFO L158 Benchmark]: TraceAbstraction took 523296.52ms. Allocated memory was 298.8MB in the beginning and 431.0MB in the end (delta: 132.1MB). Free memory was 226.6MB in the beginning and 268.9MB in the end (delta: -42.2MB). Peak memory consumption was 89.9MB. Max. memory is 8.0GB. [2022-12-13 03:44:11,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 203.4MB. Free memory was 180.2MB in the beginning and 180.1MB in the end (delta: 69.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4181.47ms. Allocated memory was 203.4MB in the beginning and 298.8MB in the end (delta: 95.4MB). Free memory was 154.8MB in the beginning and 202.9MB in the end (delta: -48.1MB). Peak memory consumption was 138.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 134.29ms. Allocated memory is still 298.8MB. Free memory was 202.9MB in the beginning and 191.9MB in the end (delta: 11.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.00ms. Allocated memory is still 298.8MB. Free memory was 191.9MB in the beginning and 186.1MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1002.68ms. Allocated memory is still 298.8MB. Free memory was 186.1MB in the beginning and 227.7MB in the end (delta: -41.6MB). Peak memory consumption was 59.1MB. Max. memory is 8.0GB. * TraceAbstraction took 523296.52ms. Allocated memory was 298.8MB in the beginning and 431.0MB in the end (delta: 132.1MB). Free memory was 226.6MB in the beginning and 268.9MB in the end (delta: -42.2MB). Peak memory consumption was 89.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 496.8s, 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: 102, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 102, dependent conditional: 0, dependent unconditional: 102, 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.1s, 84 PlacesBefore, 76 PlacesAfterwards, 86 TransitionsBefore, 73 TransitionsAfterwards, 124 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 3 ChoiceCompositions, 11 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: 0.1s, 74 PlacesBefore, 73 PlacesAfterwards, 69 TransitionsBefore, 68 TransitionsAfterwards, 118 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, 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): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, 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 - 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: 523.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 497.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 282 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 282 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 376 IncrementalHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 376 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=412occurred in iteration=2, 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, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 61 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! [2022-12-13 03:44:11,495 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...