/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_change_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 03:25:12,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 03:25:12,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 03:25:12,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 03:25:12,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 03:25:12,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 03:25:12,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 03:25:12,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 03:25:12,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 03:25:12,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 03:25:12,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 03:25:12,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 03:25:12,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 03:25:12,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 03:25:12,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 03:25:12,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 03:25:12,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 03:25:12,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 03:25:12,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 03:25:12,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 03:25:12,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 03:25:12,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 03:25:12,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 03:25:12,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 03:25:12,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 03:25:12,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 03:25:12,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 03:25:12,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 03:25:12,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 03:25:12,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 03:25:12,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 03:25:12,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 03:25:12,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 03:25:12,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 03:25:12,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 03:25:12,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 03:25:12,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 03:25:12,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 03:25:12,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 03:25:12,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 03:25:12,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 03:25:12,368 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 03:25:12,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 03:25:12,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 03:25:12,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 03:25:12,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 03:25:12,406 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 03:25:12,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 03:25:12,407 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 03:25:12,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 03:25:12,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 03:25:12,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 03:25:12,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 03:25:12,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 03:25:12,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 03:25:12,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 03:25:12,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 03:25:12,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 03:25:12,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 03:25:12,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 03:25:12,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 03:25:12,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 03:25:12,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 03:25:12,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 03:25:12,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 03:25:12,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 03:25:12,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 03:25:12,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 03:25:12,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 03:25:12,420 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 03:25:12,421 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-13 03:25:12,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 03:25:12,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 03:25:12,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 03:25:12,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 03:25:12,802 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 03:25:12,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2022-12-13 03:25:13,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 03:25:14,423 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 03:25:14,424 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2022-12-13 03:25:14,471 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93151c748/a653a232d846490dab4b6dc32ccdea54/FLAGeed4cee18 [2022-12-13 03:25:14,488 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93151c748/a653a232d846490dab4b6dc32ccdea54 [2022-12-13 03:25:14,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 03:25:14,491 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 03:25:14,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 03:25:14,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 03:25:14,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 03:25:14,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:25:14" (1/1) ... [2022-12-13 03:25:14,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5d47c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:14, skipping insertion in model container [2022-12-13 03:25:14,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:25:14" (1/1) ... [2022-12-13 03:25:14,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 03:25:14,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 03:25:14,912 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i[5469,5482] [2022-12-13 03:25:15,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,162 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 03:25:15,166 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:25:15,171 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:25:15,179 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:25:15,294 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:25:15,301 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:25:15,401 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 03:25:15,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:15,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:15,682 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 03:25:15,686 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 03:25:15,691 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 03:25:15,823 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 03:25:15,823 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:25:15,825 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 03:25:15,825 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:25:15,951 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 03:25:16,313 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:25:16,322 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:25:16,370 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 03:25:16,372 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 03:25:16,583 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 03:25:16,718 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 03:25:16,723 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 03:25:16,860 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 03:25:17,006 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 03:25:17,007 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 03:25:17,007 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 03:25:17,711 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 03:25:17,712 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:25:17,718 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:25:17,723 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:25:17,736 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:25:18,252 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 03:25:18,253 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 03:25:18,281 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 03:25:18,282 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 03:25:18,283 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 03:25:18,284 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 03:25:18,285 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 03:25:18,285 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 03:25:18,288 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 03:25:18,289 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 03:25:18,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 03:25:18,326 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 03:25:18,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i[5469,5482] [2022-12-13 03:25:18,346 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,347 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,350 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,350 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 03:25:18,351 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:25:18,351 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:25:18,351 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:25:18,355 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:25:18,356 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:25:18,358 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 03:25:18,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:25:18,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:25:18,376 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 03:25:18,377 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 03:25:18,377 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 03:25:18,380 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 03:25:18,380 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:25:18,380 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 03:25:18,381 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:25:18,388 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 03:25:18,402 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:25:18,403 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:25:18,405 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 03:25:18,405 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 03:25:18,413 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 03:25:18,418 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 03:25:18,419 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 03:25:18,423 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 03:25:18,428 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 03:25:18,429 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 03:25:18,429 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 03:25:18,494 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 03:25:18,494 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:25:18,497 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:25:18,502 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:25:18,505 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:25:18,544 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 03:25:18,544 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-13 03:25:18,548 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-13 03:25:18,549 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-13 03:25:18,550 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-13 03:25:18,551 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 03:25:18,551 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-13 03:25:18,551 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-13 03:25:18,552 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-13 03:25:18,552 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-13 03:25:18,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 03:25:19,114 INFO L208 MainTranslator]: Completed translation [2022-12-13 03:25:19,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19 WrapperNode [2022-12-13 03:25:19,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 03:25:19,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 03:25:19,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 03:25:19,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 03:25:19,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,306 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 58, statements flattened = 834 [2022-12-13 03:25:19,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 03:25:19,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 03:25:19,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 03:25:19,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 03:25:19,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,382 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 03:25:19,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 03:25:19,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 03:25:19,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 03:25:19,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (1/1) ... [2022-12-13 03:25:19,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 03:25:19,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 03:25:19,433 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 03:25:19,454 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 03:25:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 03:25:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 03:25:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 03:25:19,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 03:25:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-13 03:25:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-13 03:25:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 03:25:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 03:25:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 03:25:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 03:25:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 03:25:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 03:25:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 03:25:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 03:25:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-13 03:25:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-13 03:25:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 03:25:19,485 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 03:25:19,938 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 03:25:19,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 03:25:20,871 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 03:25:20,886 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 03:25:20,886 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2022-12-13 03:25:20,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:25:20 BoogieIcfgContainer [2022-12-13 03:25:20,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 03:25:20,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 03:25:20,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 03:25:20,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 03:25:20,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:25:14" (1/3) ... [2022-12-13 03:25:20,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f5b043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:25:20, skipping insertion in model container [2022-12-13 03:25:20,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:25:19" (2/3) ... [2022-12-13 03:25:20,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f5b043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:25:20, skipping insertion in model container [2022-12-13 03:25:20,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:25:20" (3/3) ... [2022-12-13 03:25:20,896 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2022-12-13 03:25:20,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 03:25:20,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 03:25:20,912 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 03:25:21,049 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 03:25:21,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 849 places, 923 transitions, 1862 flow [2022-12-13 03:25:21,440 INFO L130 PetriNetUnfolder]: 81/921 cut-off events. [2022-12-13 03:25:21,441 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 03:25:21,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 921 events. 81/921 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1804 event pairs, 0 based on Foata normal form. 0/836 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-13 03:25:21,457 INFO L82 GeneralOperation]: Start removeDead. Operand has 849 places, 923 transitions, 1862 flow [2022-12-13 03:25:21,471 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 839 places, 913 transitions, 1835 flow [2022-12-13 03:25:21,473 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:25:21,491 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 839 places, 913 transitions, 1835 flow [2022-12-13 03:25:21,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 839 places, 913 transitions, 1835 flow [2022-12-13 03:25:21,751 INFO L130 PetriNetUnfolder]: 81/913 cut-off events. [2022-12-13 03:25:21,751 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 03:25:21,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 913 events. 81/913 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1656 event pairs, 0 based on Foata normal form. 0/828 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-13 03:25:21,783 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 839 places, 913 transitions, 1835 flow [2022-12-13 03:25:21,784 INFO L226 LiptonReduction]: Number of co-enabled transitions 51768 [2022-12-13 03:26:30,161 WARN L233 SmtUtils]: Spent 13.02s on a formula simplification that was a NOOP. DAG size: 477 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:26:42,539 WARN L233 SmtUtils]: Spent 12.38s on a formula simplification that was a NOOP. DAG size: 477 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:26:47,567 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 477 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:26:52,990 WARN L233 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 477 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:28:59,126 WARN L233 SmtUtils]: Spent 2.04m on a formula simplification. DAG size of input: 631 DAG size of output: 629 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:29:59,956 WARN L233 SmtUtils]: Spent 1.01m 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 03:31:15,468 WARN L233 SmtUtils]: Spent 1.26m on a formula simplification. DAG size of input: 631 DAG size of output: 629 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:31:49,232 WARN L233 SmtUtils]: Spent 33.75s 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 03:34:12,772 INFO L241 LiptonReduction]: Total number of compositions: 853 [2022-12-13 03:34:12,784 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 03:34:12,788 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;@2fa1ac1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 03:34:12,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-13 03:34:12,796 INFO L130 PetriNetUnfolder]: 2/6 cut-off events. [2022-12-13 03:34:12,796 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 03:34:12,796 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:34:12,797 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 03:34:12,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 03:34:12,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:34:12,801 INFO L85 PathProgramCache]: Analyzing trace with hash 3783797, now seen corresponding path program 1 times [2022-12-13 03:34:12,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:34:12,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168531084] [2022-12-13 03:34:12,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:34:12,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:34:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:34:13,320 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 03:34:13,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:34:13,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168531084] [2022-12-13 03:34:13,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168531084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:34:13,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:34:13,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 03:34:13,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386359314] [2022-12-13 03:34:13,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:34:13,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 03:34:13,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:34:13,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 03:34:13,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 03:34:13,353 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 324 [2022-12-13 03:34:13,354 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 324 transitions, 657 flow. Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 03:34:13,354 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:34:13,354 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 324 [2022-12-13 03:34:13,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:34:27,053 INFO L130 PetriNetUnfolder]: 84054/136782 cut-off events. [2022-12-13 03:34:27,053 INFO L131 PetriNetUnfolder]: For 330/330 co-relation queries the response was YES. [2022-12-13 03:34:27,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272469 conditions, 136782 events. 84054/136782 cut-off events. For 330/330 co-relation queries the response was YES. Maximal size of possible extension queue 8193. Compared 1297949 event pairs, 84044 based on Foata normal form. 0/25061 useless extension candidates. Maximal degree in co-relation 270821. Up to 135312 conditions per place. [2022-12-13 03:34:27,316 INFO L137 encePairwiseOnDemand]: 304/324 looper letters, 295 selfloop transitions, 0 changer transitions 0/304 dead transitions. [2022-12-13 03:34:27,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 304 transitions, 1207 flow [2022-12-13 03:34:27,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 03:34:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 03:34:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 333 transitions. [2022-12-13 03:34:27,328 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5138888888888888 [2022-12-13 03:34:27,331 INFO L295 CegarLoopForPetriNet]: 306 programPoint places, -4 predicate places. [2022-12-13 03:34:27,332 INFO L82 GeneralOperation]: Start removeDead. Operand has 302 places, 304 transitions, 1207 flow [2022-12-13 03:34:27,480 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 302 places, 304 transitions, 1207 flow [2022-12-13 03:34:27,842 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:34:27,844 INFO L89 Accepts]: Start accepts. Operand has 302 places, 304 transitions, 1207 flow [2022-12-13 03:34:27,848 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:34:27,848 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:34:27,849 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 304 transitions, 1207 flow [2022-12-13 03:34:27,875 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 304 transitions, 1207 flow [2022-12-13 03:34:27,875 INFO L226 LiptonReduction]: Number of co-enabled transitions 2738 [2022-12-13 03:34:27,970 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:27,972 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:27,977 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:27,978 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:28,841 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:28,842 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:28,845 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:28,846 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:31,725 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:31,726 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:31,729 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:31,730 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:33,872 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:33,872 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:33,877 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:33,878 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:34,896 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:34,900 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:43,122 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:43,124 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:43,131 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:43,132 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:46,636 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:46,638 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:46,642 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:34:46,643 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:34:50,290 INFO L241 LiptonReduction]: Total number of compositions: 12 [2022-12-13 03:34:50,291 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 22449 [2022-12-13 03:34:50,292 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 291 transitions, 1155 flow [2022-12-13 03:34:50,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 03:34:50,292 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:34:50,292 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 03:34:50,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 03:34:50,292 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 03:34:50,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:34:50,293 INFO L85 PathProgramCache]: Analyzing trace with hash -622723244, now seen corresponding path program 1 times [2022-12-13 03:34:50,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:34:50,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908592072] [2022-12-13 03:34:50,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:34:50,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:34:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:34:51,927 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 03:34:51,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:34:51,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908592072] [2022-12-13 03:34:51,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908592072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:34:51,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:34:51,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 03:34:51,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108075703] [2022-12-13 03:34:51,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:34:51,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 03:34:51,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:34:51,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 03:34:51,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 03:34:51,933 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 291 [2022-12-13 03:34:51,933 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 291 transitions, 1155 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 03:34:51,933 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:34:51,933 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 291 [2022-12-13 03:34:51,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:35:05,236 INFO L130 PetriNetUnfolder]: 84573/137119 cut-off events. [2022-12-13 03:35:05,236 INFO L131 PetriNetUnfolder]: For 758/760 co-relation queries the response was YES. [2022-12-13 03:35:05,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409460 conditions, 137119 events. 84573/137119 cut-off events. For 758/760 co-relation queries the response was YES. Maximal size of possible extension queue 8184. Compared 1294750 event pairs, 84568 based on Foata normal form. 0/25007 useless extension candidates. Maximal degree in co-relation 407175. Up to 136140 conditions per place. [2022-12-13 03:35:05,517 INFO L137 encePairwiseOnDemand]: 287/291 looper letters, 282 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2022-12-13 03:35:05,517 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 292 transitions, 1727 flow [2022-12-13 03:35:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 03:35:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 03:35:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2022-12-13 03:35:05,522 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3550973654066438 [2022-12-13 03:35:05,523 INFO L295 CegarLoopForPetriNet]: 306 programPoint places, -10 predicate places. [2022-12-13 03:35:05,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 296 places, 292 transitions, 1727 flow [2022-12-13 03:35:05,931 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 292 transitions, 1727 flow [2022-12-13 03:35:06,354 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:35:06,354 INFO L89 Accepts]: Start accepts. Operand has 296 places, 292 transitions, 1727 flow [2022-12-13 03:35:06,355 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:35:06,355 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:35:06,355 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 292 transitions, 1727 flow [2022-12-13 03:35:06,368 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 292 transitions, 1727 flow [2022-12-13 03:35:06,368 INFO L226 LiptonReduction]: Number of co-enabled transitions 2522 [2022-12-13 03:35:06,451 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:35:06,452 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:35:06,455 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:35:06,455 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:35:06,459 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:35:06,460 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:35:06,462 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:35:06,463 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:36:33,558 WARN L233 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 616 DAG size of output: 615 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:37:20,109 WARN L233 SmtUtils]: Spent 46.54s on a formula simplification that was a NOOP. DAG size: 610 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2022-12-13 03:38:49,423 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-13 03:38:50,187 WARN L249 SmtUtils]: Removed 207 from assertion stack [2022-12-13 03:38:50,188 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2022-12-13 03:38:50,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 03:38:50,188 WARN L619 AbstractCegarLoop]: Verification canceled: while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 622 for 90072ms.. [2022-12-13 03:38:50,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2022-12-13 03:38:50,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2022-12-13 03:38:50,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2022-12-13 03:38:50,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2022-12-13 03:38:50,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2022-12-13 03:38:50,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2022-12-13 03:38:50,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2022-12-13 03:38:50,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2022-12-13 03:38:50,190 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 03:38:50,194 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 03:38:50,194 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 03:38:50,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:38:50 BasicIcfg [2022-12-13 03:38:50,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 03:38:50,196 INFO L158 Benchmark]: Toolchain (without parser) took 815705.07ms. Allocated memory was 180.4MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 136.2MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-12-13 03:38:50,197 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory was 158.1MB in the beginning and 158.0MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 03:38:50,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4621.56ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 135.9MB in the beginning and 92.9MB in the end (delta: 43.0MB). Peak memory consumption was 98.3MB. Max. memory is 8.0GB. [2022-12-13 03:38:50,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.98ms. Allocated memory is still 217.1MB. Free memory was 92.9MB in the beginning and 80.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-13 03:38:50,198 INFO L158 Benchmark]: Boogie Preprocessor took 83.86ms. Allocated memory is still 217.1MB. Free memory was 80.8MB in the beginning and 74.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-13 03:38:50,198 INFO L158 Benchmark]: RCFGBuilder took 1494.91ms. Allocated memory is still 217.1MB. Free memory was 74.6MB in the beginning and 98.9MB in the end (delta: -24.4MB). Peak memory consumption was 19.7MB. Max. memory is 8.0GB. [2022-12-13 03:38:50,198 INFO L158 Benchmark]: TraceAbstraction took 809304.45ms. Allocated memory was 217.1MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 97.4MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-12-13 03:38:50,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 180.4MB. Free memory was 158.1MB in the beginning and 158.0MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4621.56ms. Allocated memory was 180.4MB in the beginning and 217.1MB in the end (delta: 36.7MB). Free memory was 135.9MB in the beginning and 92.9MB in the end (delta: 43.0MB). Peak memory consumption was 98.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 190.98ms. Allocated memory is still 217.1MB. Free memory was 92.9MB in the beginning and 80.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 83.86ms. Allocated memory is still 217.1MB. Free memory was 80.8MB in the beginning and 74.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1494.91ms. Allocated memory is still 217.1MB. Free memory was 74.6MB in the beginning and 98.9MB in the end (delta: -24.4MB). Peak memory consumption was 19.7MB. Max. memory is 8.0GB. * TraceAbstraction took 809304.45ms. Allocated memory was 217.1MB in the beginning and 6.9GB in the end (delta: 6.7GB). Free memory was 97.4MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 531.0s, 839 PlacesBefore, 306 PlacesAfterwards, 913 TransitionsBefore, 324 TransitionsAfterwards, 51768 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 259 ConcurrentYvCompositions, 52 ChoiceCompositions, 853 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162003, independent: 161441, independent conditional: 161441, independent unconditional: 0, dependent: 562, dependent conditional: 562, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 162003, independent: 161441, independent conditional: 0, independent unconditional: 161441, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 162003, independent: 161441, independent conditional: 0, independent unconditional: 161441, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 162003, independent: 161441, independent conditional: 0, independent unconditional: 161441, dependent: 562, dependent conditional: 0, dependent unconditional: 562, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54254, independent: 54087, independent conditional: 0, independent unconditional: 54087, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54254, independent: 54004, independent conditional: 0, independent unconditional: 54004, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 250, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 894, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 842, dependent conditional: 0, dependent unconditional: 842, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 162003, independent: 107354, independent conditional: 0, independent unconditional: 107354, dependent: 395, dependent conditional: 0, dependent unconditional: 395, unknown: 54254, unknown conditional: 0, unknown unconditional: 54254] , Statistics on independence cache: Total cache size (in pairs): 288407, Positive cache size: 288240, Positive conditional cache size: 0, Positive unconditional cache size: 288240, Negative cache size: 167, Negative conditional cache size: 0, Negative unconditional cache size: 167, 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: 22.4s, 302 PlacesBefore, 294 PlacesAfterwards, 304 TransitionsBefore, 291 TransitionsAfterwards, 2738 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 3 ChoiceCompositions, 12 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2241, independent: 2222, independent conditional: 2222, independent unconditional: 0, dependent: 19, dependent conditional: 19, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2241, independent: 2222, independent conditional: 0, independent unconditional: 2222, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2241, independent: 2222, independent conditional: 0, independent unconditional: 2222, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2241, independent: 2222, independent conditional: 0, independent unconditional: 2222, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 225, independent: 224, independent conditional: 0, independent unconditional: 224, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 225, independent: 224, independent conditional: 0, independent unconditional: 224, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2241, independent: 1998, independent conditional: 0, independent unconditional: 1998, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 225, unknown conditional: 0, unknown unconditional: 225] , Statistics on independence cache: Total cache size (in pairs): 225, Positive cache size: 224, Positive conditional cache size: 0, Positive unconditional cache size: 224, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 622 for 90072ms.. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 622 for 90072ms.. - TimeoutResultAtElement [Line: 7068]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 622 for 90072ms.. - TimeoutResultAtElement [Line: 7069]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 622 for 90072ms.. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 622 for 90072ms.. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 622 for 90072ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1119 locations, 9 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: 809.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 531.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 860 IncrementalHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 860 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1727occurred in iteration=2, InterpolantAutomatonStates: 5, 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, 1.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown