/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf --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_configure_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 18:50:13,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 18:50:13,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 18:50:13,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 18:50:13,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 18:50:13,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 18:50:13,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 18:50:13,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 18:50:13,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 18:50:13,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 18:50:13,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 18:50:13,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 18:50:13,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 18:50:13,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 18:50:13,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 18:50:13,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 18:50:13,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 18:50:13,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 18:50:13,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 18:50:13,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 18:50:13,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 18:50:13,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 18:50:13,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 18:50:13,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 18:50:13,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 18:50:13,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 18:50:13,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 18:50:13,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 18:50:13,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 18:50:13,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 18:50:13,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 18:50:13,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 18:50:13,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 18:50:13,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 18:50:13,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 18:50:13,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 18:50:13,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 18:50:13,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 18:50:13,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 18:50:13,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 18:50:13,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 18:50:13,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-12 18:50:13,308 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 18:50:13,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 18:50:13,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 18:50:13,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 18:50:13,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 18:50:13,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 18:50:13,312 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 18:50:13,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 18:50:13,312 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 18:50:13,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 18:50:13,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 18:50:13,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 18:50:13,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 18:50:13,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 18:50:13,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 18:50:13,313 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 18:50:13,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 18:50:13,314 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 18:50:13,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 18:50:13,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 18:50:13,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 18:50:13,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 18:50:13,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 18:50:13,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 18:50:13,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 18:50:13,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 18:50:13,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 18:50:13,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 18:50:13,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 18:50:13,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 18:50:13,316 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-12 18:50:13,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 18:50:13,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 18:50:13,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 18:50:13,668 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 18:50:13,668 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 18:50:13,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-12 18:50:14,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 18:50:15,322 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 18:50:15,322 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-12 18:50:15,368 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1703fc950/209b88463133462c9d20e9f102ecf877/FLAGec84600a5 [2022-12-12 18:50:15,382 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1703fc950/209b88463133462c9d20e9f102ecf877 [2022-12-12 18:50:15,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 18:50:15,385 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 18:50:15,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 18:50:15,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 18:50:15,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 18:50:15,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 06:50:15" (1/1) ... [2022-12-12 18:50:15,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a648756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:15, skipping insertion in model container [2022-12-12 18:50:15,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 06:50:15" (1/1) ... [2022-12-12 18:50:15,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 18:50:15,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 18:50:15,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i[5469,5482] [2022-12-12 18:50:16,200 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:16,201 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:16,210 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:16,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:16,219 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:16,220 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:16,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:16,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:16,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:16,239 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:16,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:16,247 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:16,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:16,256 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:16,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:16,264 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:16,288 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 18:50:16,298 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 18:50:16,307 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 18:50:16,323 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 18:50:16,554 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 18:50:16,563 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 18:50:16,823 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 18:50:16,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:16,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:17,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:17,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:17,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:17,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:17,383 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 18:50:17,390 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 18:50:17,396 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 18:50:17,587 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 18:50:17,588 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 18:50:17,594 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 18:50:17,594 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 18:50:17,882 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 18:50:18,642 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 18:50:18,654 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 18:50:18,764 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 18:50:18,770 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 18:50:19,181 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 18:50:19,399 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 18:50:19,405 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 18:50:19,573 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 18:50:19,801 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 18:50:19,802 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 18:50:19,802 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 18:50:20,823 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 18:50:20,824 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 18:50:20,831 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 18:50:20,837 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 18:50:20,845 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 18:50:21,393 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 18:50:21,396 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 18:50:21,425 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 18:50:21,426 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 18:50:21,428 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 18:50:21,429 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 18:50:21,429 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 18:50:21,429 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 18:50:21,433 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 18:50:21,433 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 18:50:21,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 18:50:21,475 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 18:50:21,503 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i[5469,5482] [2022-12-12 18:50:21,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,512 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,512 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 18:50:21,513 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 18:50:21,513 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 18:50:21,514 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 18:50:21,531 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 18:50:21,533 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 18:50:21,538 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 18:50:21,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,557 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:50:21,558 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:50:21,569 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 18:50:21,569 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 18:50:21,569 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 18:50:21,573 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 18:50:21,573 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 18:50:21,573 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 18:50:21,573 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 18:50:21,584 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 18:50:21,604 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 18:50:21,606 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 18:50:21,608 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 18:50:21,608 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 18:50:21,615 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 18:50:21,618 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 18:50:21,619 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 18:50:21,627 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 18:50:21,631 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 18:50:21,631 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 18:50:21,632 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 18:50:21,697 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 18:50:21,697 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 18:50:21,702 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 18:50:21,706 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 18:50:21,709 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 18:50:21,798 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 18:50:21,798 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 18:50:21,803 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 18:50:21,804 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 18:50:21,805 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 18:50:21,807 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 18:50:21,807 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 18:50:21,808 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 18:50:21,808 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 18:50:21,808 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 18:50:21,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 18:50:22,272 INFO L208 MainTranslator]: Completed translation [2022-12-12 18:50:22,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22 WrapperNode [2022-12-12 18:50:22,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 18:50:22,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 18:50:22,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 18:50:22,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 18:50:22,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,472 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 754 [2022-12-12 18:50:22,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 18:50:22,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 18:50:22,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 18:50:22,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 18:50:22,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 18:50:22,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 18:50:22,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 18:50:22,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 18:50:22,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (1/1) ... [2022-12-12 18:50:22,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 18:50:22,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 18:50:22,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-12 18:50:22,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-12 18:50:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 18:50:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 18:50:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 18:50:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-12 18:50:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 18:50:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 18:50:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-12 18:50:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 18:50:22,662 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 18:50:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 18:50:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-12 18:50:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 18:50:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-12 18:50:22,663 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-12 18:50:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 18:50:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 18:50:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 18:50:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-12 18:50:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 18:50:22,665 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 18:50:23,110 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 18:50:23,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 18:50:23,822 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 18:50:23,853 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 18:50:23,853 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2022-12-12 18:50:23,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 06:50:23 BoogieIcfgContainer [2022-12-12 18:50:23,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 18:50:23,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 18:50:23,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 18:50:23,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 18:50:23,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 06:50:15" (1/3) ... [2022-12-12 18:50:23,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160af5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 06:50:23, skipping insertion in model container [2022-12-12 18:50:23,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:50:22" (2/3) ... [2022-12-12 18:50:23,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160af5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 06:50:23, skipping insertion in model container [2022-12-12 18:50:23,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 06:50:23" (3/3) ... [2022-12-12 18:50:23,863 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-12 18:50:23,877 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 18:50:23,877 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-12 18:50:23,877 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 18:50:23,990 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 18:50:24,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 783 places, 832 transitions, 1680 flow [2022-12-12 18:50:24,339 INFO L130 PetriNetUnfolder]: 56/830 cut-off events. [2022-12-12 18:50:24,339 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 18:50:24,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 830 events. 56/830 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1320 event pairs, 0 based on Foata normal form. 0/773 useless extension candidates. Maximal degree in co-relation 652. Up to 9 conditions per place. [2022-12-12 18:50:24,350 INFO L82 GeneralOperation]: Start removeDead. Operand has 783 places, 832 transitions, 1680 flow [2022-12-12 18:50:24,359 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 275 transitions, 550 flow [2022-12-12 18:50:24,360 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 18:50:24,387 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 275 transitions, 550 flow [2022-12-12 18:50:24,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 269 places, 275 transitions, 550 flow [2022-12-12 18:50:24,431 INFO L130 PetriNetUnfolder]: 7/275 cut-off events. [2022-12-12 18:50:24,431 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 18:50:24,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 275 events. 7/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 45 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-12 18:50:24,434 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 275 transitions, 550 flow [2022-12-12 18:50:24,434 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-12 18:51:03,492 WARN L233 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 18:51:09,713 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 18:51:17,892 WARN L233 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 18:51:24,646 WARN L233 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 18:54:01,230 WARN L233 SmtUtils]: Spent 2.47m on a formula simplification. DAG size of input: 591 DAG size of output: 589 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 18:55:17,805 WARN L233 SmtUtils]: Spent 1.28m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 18:57:32,417 WARN L233 SmtUtils]: Spent 2.24m on a formula simplification. DAG size of input: 591 DAG size of output: 589 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 18:58:41,032 WARN L233 SmtUtils]: Spent 1.14m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 18:58:41,068 INFO L241 LiptonReduction]: Total number of compositions: 269 [2022-12-12 18:58:41,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 18:58:41,090 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c174966, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 18:58:41,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-12 18:58:41,098 INFO L130 PetriNetUnfolder]: 2/4 cut-off events. [2022-12-12 18:58:41,098 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 18:58:41,098 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:58:41,098 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-12 18:58:41,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-12 18:58:41,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:58:41,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2493395, now seen corresponding path program 1 times [2022-12-12 18:58:41,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:58:41,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432531184] [2022-12-12 18:58:41,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:58:41,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:58:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:58:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:58:41,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:58:41,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432531184] [2022-12-12 18:58:41,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432531184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:58:41,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:58:41,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 18:58:41,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123423819] [2022-12-12 18:58:41,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:58:41,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-12 18:58:41,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:58:41,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-12 18:58:41,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-12 18:58:41,571 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 5 [2022-12-12 18:58:41,572 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 4 places, 5 transitions, 10 flow. Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 18:58:41,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:58:41,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 5 [2022-12-12 18:58:41,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:58:42,216 INFO L130 PetriNetUnfolder]: 1/3 cut-off events. [2022-12-12 18:58:42,216 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 18:58:42,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8 conditions, 3 events. 1/3 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 1 event pairs, 0 based on Foata normal form. 1/3 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2022-12-12 18:58:42,217 INFO L137 encePairwiseOnDemand]: 3/5 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2022-12-12 18:58:42,217 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 4 places, 3 transitions, 12 flow [2022-12-12 18:58:42,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-12 18:58:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-12 18:58:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2022-12-12 18:58:42,225 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-12 18:58:42,228 INFO L295 CegarLoopForPetriNet]: 4 programPoint places, 0 predicate places. [2022-12-12 18:58:42,228 INFO L82 GeneralOperation]: Start removeDead. Operand has 4 places, 3 transitions, 12 flow [2022-12-12 18:58:42,228 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-12 18:58:42,229 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-12 18:58:42,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 18:58:42,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-12 18:58:42,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-12 18:58:42,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-12 18:58:42,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 18:58:42,232 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-12 18:58:42,235 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 18:58:42,235 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 18:58:42,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 06:58:42 BasicIcfg [2022-12-12 18:58:42,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 18:58:42,239 INFO L158 Benchmark]: Toolchain (without parser) took 506853.87ms. Allocated memory was 186.6MB in the beginning and 296.7MB in the end (delta: 110.1MB). Free memory was 152.4MB in the beginning and 83.8MB in the end (delta: 68.6MB). Peak memory consumption was 179.3MB. Max. memory is 8.0GB. [2022-12-12 18:58:42,239 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 18:58:42,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6885.56ms. Allocated memory was 186.6MB in the beginning and 296.7MB in the end (delta: 110.1MB). Free memory was 152.4MB in the beginning and 162.0MB in the end (delta: -9.6MB). Peak memory consumption was 110.0MB. Max. memory is 8.0GB. [2022-12-12 18:58:42,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.18ms. Allocated memory is still 296.7MB. Free memory was 162.0MB in the beginning and 150.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-12 18:58:42,240 INFO L158 Benchmark]: Boogie Preprocessor took 103.42ms. Allocated memory is still 296.7MB. Free memory was 150.5MB in the beginning and 144.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-12 18:58:42,241 INFO L158 Benchmark]: RCFGBuilder took 1278.99ms. Allocated memory is still 296.7MB. Free memory was 144.2MB in the beginning and 177.3MB in the end (delta: -33.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-12 18:58:42,241 INFO L158 Benchmark]: TraceAbstraction took 498380.16ms. Allocated memory is still 296.7MB. Free memory was 175.8MB in the beginning and 83.8MB in the end (delta: 92.0MB). Peak memory consumption was 92.5MB. Max. memory is 8.0GB. [2022-12-12 18:58:42,243 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 163.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6885.56ms. Allocated memory was 186.6MB in the beginning and 296.7MB in the end (delta: 110.1MB). Free memory was 152.4MB in the beginning and 162.0MB in the end (delta: -9.6MB). Peak memory consumption was 110.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 198.18ms. Allocated memory is still 296.7MB. Free memory was 162.0MB in the beginning and 150.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 103.42ms. Allocated memory is still 296.7MB. Free memory was 150.5MB in the beginning and 144.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1278.99ms. Allocated memory is still 296.7MB. Free memory was 144.2MB in the beginning and 177.3MB in the end (delta: -33.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 498380.16ms. Allocated memory is still 296.7MB. Free memory was 175.8MB in the beginning and 83.8MB in the end (delta: 92.0MB). Peak memory consumption was 92.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 496.6s, 269 PlacesBefore, 4 PlacesAfterwards, 275 TransitionsBefore, 5 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 265 TrivialYvCompositions, 0 ConcurrentYvCompositions, 4 ChoiceCompositions, 269 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 987 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 498.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 497.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-12 18:58:42,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...