/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:42:43,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:42:43,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:42:43,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:42:43,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:42:43,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:42:43,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:42:43,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:42:43,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:42:43,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:42:43,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:42:43,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:42:43,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:42:43,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:42:43,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:42:43,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:42:43,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:42:43,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:42:43,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:42:43,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:42:43,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:42:43,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:42:43,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:42:43,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:42:43,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:42:43,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:42:43,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:42:43,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:42:43,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:42:43,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:42:43,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:42:43,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:42:43,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:42:43,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:42:43,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:42:43,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:42:43,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:42:43,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:42:43,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:42:43,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:42:43,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:42:43,338 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 [2022-12-05 20:42:43,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:42:43,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:42:43,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:42:43,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:42:43,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:42:43,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:42:43,371 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:42:43,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:42:43,372 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:42:43,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:42:43,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:42:43,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:42:43,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:42:43,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:42:43,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:42:43,373 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:42:43,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:42:43,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:42:43,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:42:43,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:42:43,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:42:43,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:42:43,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:42:43,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:42:43,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:42:43,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:42:43,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:42:43,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:42:43,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:42:43,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:42:43,375 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:42:43,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:42:43,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:42:43,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:42:43,723 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:42:43,723 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:42:43,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-05 20:42:44,854 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:42:45,345 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:42:45,346 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-05 20:42:45,389 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a443a75a/fc087242db7041f6809c882309cad64b/FLAGbf5e7c3de [2022-12-05 20:42:45,406 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a443a75a/fc087242db7041f6809c882309cad64b [2022-12-05 20:42:45,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:42:45,409 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:42:45,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:42:45,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:42:45,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:42:45,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:42:45" (1/1) ... [2022-12-05 20:42:45,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c53c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:45, skipping insertion in model container [2022-12-05 20:42:45,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:42:45" (1/1) ... [2022-12-05 20:42:45,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:42:45,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:42:45,798 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i[5469,5482] [2022-12-05 20:42:46,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,135 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,185 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:42:46,194 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:42:46,201 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:42:46,214 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:42:46,391 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:42:46,400 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:42:46,603 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:42:46,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:46,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:46,992 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:42:46,995 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:42:46,998 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:42:47,094 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:42:47,095 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:42:47,098 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:42:47,098 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:42:47,249 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:42:47,684 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:42:47,693 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:42:47,755 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:42:47,759 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:42:47,962 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:42:48,110 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:42:48,116 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:42:48,279 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:42:48,471 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:42:48,472 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:42:48,472 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:42:49,682 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:42:49,683 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:42:49,688 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:42:49,693 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:42:49,696 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:42:50,234 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:42:50,238 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:42:50,275 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:42:50,275 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:42:50,277 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:42:50,279 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:42:50,279 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:42:50,279 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:42:50,283 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:42:50,283 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:42:50,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:42:50,337 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:42:50,359 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i[5469,5482] [2022-12-05 20:42:50,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,371 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,375 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:42:50,375 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:42:50,376 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:42:50,376 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:42:50,380 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:42:50,382 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:42:50,385 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:42:50,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:42:50,395 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:42:50,411 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:42:50,411 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:42:50,411 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:42:50,414 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:42:50,415 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:42:50,415 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:42:50,415 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:42:50,423 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:42:50,436 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:42:50,437 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:42:50,439 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:42:50,440 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:42:50,447 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:42:50,452 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:42:50,453 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:42:50,460 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:42:50,464 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:42:50,464 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:42:50,464 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:42:50,536 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:42:50,537 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:42:50,540 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:42:50,548 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:42:50,552 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:42:50,631 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:42:50,631 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:42:50,635 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:42:50,636 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:42:50,637 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:42:50,638 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:42:50,638 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:42:50,639 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:42:50,639 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:42:50,640 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:42:50,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:42:51,172 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:42:51,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51 WrapperNode [2022-12-05 20:42:51,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:42:51,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:42:51,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:42:51,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:42:51,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,329 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 662 [2022-12-05 20:42:51,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:42:51,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:42:51,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:42:51,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:42:51,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,373 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:42:51,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:42:51,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:42:51,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:42:51,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (1/1) ... [2022-12-05 20:42:51,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:42:51,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:42:51,449 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) [2022-12-05 20:42:51,469 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 [2022-12-05 20:42:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:42:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 20:42:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:42:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-05 20:42:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-05 20:42:51,494 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 20:42:51,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:42:51,496 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:42:52,033 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:42:52,034 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:42:52,607 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:42:52,621 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:42:52,622 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2022-12-05 20:42:52,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:42:52 BoogieIcfgContainer [2022-12-05 20:42:52,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:42:52,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:42:52,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:42:52,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:42:52,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:42:45" (1/3) ... [2022-12-05 20:42:52,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd900b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:42:52, skipping insertion in model container [2022-12-05 20:42:52,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:42:51" (2/3) ... [2022-12-05 20:42:52,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd900b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:42:52, skipping insertion in model container [2022-12-05 20:42:52,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:42:52" (3/3) ... [2022-12-05 20:42:52,631 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2022-12-05 20:42:52,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:42:52,647 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 20:42:52,647 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:42:52,755 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 20:42:52,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 681 places, 726 transitions, 1468 flow [2022-12-05 20:42:53,043 INFO L130 PetriNetUnfolder]: 52/724 cut-off events. [2022-12-05 20:42:53,043 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:42:53,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 733 conditions, 724 events. 52/724 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1032 event pairs, 0 based on Foata normal form. 0/670 useless extension candidates. Maximal degree in co-relation 653. Up to 9 conditions per place. [2022-12-05 20:42:53,051 INFO L82 GeneralOperation]: Start removeDead. Operand has 681 places, 726 transitions, 1468 flow [2022-12-05 20:42:53,063 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 671 places, 716 transitions, 1441 flow [2022-12-05 20:42:53,064 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:42:53,087 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 671 places, 716 transitions, 1441 flow [2022-12-05 20:42:53,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 671 places, 716 transitions, 1441 flow [2022-12-05 20:42:53,200 INFO L130 PetriNetUnfolder]: 52/716 cut-off events. [2022-12-05 20:42:53,201 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:42:53,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 716 events. 52/716 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 965 event pairs, 0 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 653. Up to 9 conditions per place. [2022-12-05 20:42:53,215 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 671 places, 716 transitions, 1441 flow [2022-12-05 20:42:53,215 INFO L188 LiptonReduction]: Number of co-enabled transitions 8602 [2022-12-05 20:42:55,600 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:55,604 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:55,605 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:55,606 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:55,709 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:55,711 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:55,713 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:55,713 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:55,716 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:55,717 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:55,719 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:55,723 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:57,224 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:57,225 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:57,228 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:57,229 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:57,709 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:57,710 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:57,711 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:57,712 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:58,156 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:58,157 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:58,159 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:42:58,159 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:01,449 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:01,450 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:02,658 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:02,659 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:02,664 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:02,665 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:03,541 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:03,542 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:04,075 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:04,076 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:04,078 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:04,078 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:05,072 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:05,073 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:05,074 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:05,075 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:05,077 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:05,077 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:05,079 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:05,083 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:05,959 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:05,960 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:05,961 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:05,962 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:06,843 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:06,844 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:07,316 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:07,317 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:07,320 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:07,321 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:07,354 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:07,354 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:07,761 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:07,762 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:07,766 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:07,767 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:08,884 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:08,886 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:08,888 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:08,888 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:10,877 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:10,878 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:10,947 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:10,948 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:10,950 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:10,950 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:14,814 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:14,815 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:14,816 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:14,816 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:15,682 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:15,683 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:15,686 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:15,687 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:20,985 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:20,986 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-05 20:43:22,362 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:22,363 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-05 20:43:22,366 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:22,366 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2022-12-05 20:43:22,370 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:22,370 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2022-12-05 20:43:23,247 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:23,248 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:23,250 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:23,251 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:23,584 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:23,585 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:24,940 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:24,941 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:24,944 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:24,945 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:25,407 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:25,408 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:26,208 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:26,209 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:43:26,215 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:26,216 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-05 20:43:26,223 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:26,224 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2022-12-05 20:43:26,230 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:26,231 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2022-12-05 20:43:48,559 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:48,560 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:48,563 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:48,567 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:48,570 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:48,570 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:48,573 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:48,574 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:59,155 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:59,155 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:59,158 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:59,159 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:59,391 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:59,391 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:43:59,398 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:43:59,399 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:26,549 WARN L233 SmtUtils]: Spent 15.52s on a formula simplification that was a NOOP. DAG size: 612 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:44:55,350 WARN L233 SmtUtils]: Spent 28.78s on a formula simplification that was a NOOP. DAG size: 536 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:45:52,706 WARN L233 SmtUtils]: Spent 57.35s on a formula simplification that was a NOOP. DAG size: 612 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:46:40,065 WARN L233 SmtUtils]: Spent 47.34s on a formula simplification that was a NOOP. DAG size: 536 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:46:40,444 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:46:40,444 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:46:40,449 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:46:40,449 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 20:46:40,456 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:46:40,460 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:46:40,465 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:46:40,465 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:46:40,470 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:46:40,470 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-05 20:47:21,218 WARN L233 SmtUtils]: Spent 40.55s on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:47:41,948 WARN L233 SmtUtils]: Spent 20.73s 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) [2022-12-05 20:48:49,974 WARN L233 SmtUtils]: Spent 1.13m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:49:24,483 WARN L233 SmtUtils]: Spent 34.51s 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) [2022-12-05 20:49:25,068 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:25,068 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:25,071 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:25,071 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:25,076 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:25,077 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:25,080 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:25,080 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:27,607 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:27,608 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:27,609 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:27,609 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:34,038 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:34,039 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:34,044 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:34,044 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:34,063 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:34,064 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:34,132 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-05 20:49:45,971 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:45,972 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:46,081 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-05 20:49:46,120 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:46,121 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:49:46,143 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:49:46,143 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:50:00,898 INFO L203 LiptonReduction]: Total number of compositions: 664 [2022-12-05 20:50:00,910 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:50:00,913 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;@11438655, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:50:00,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-05 20:50:00,921 INFO L130 PetriNetUnfolder]: 2/6 cut-off events. [2022-12-05 20:50:00,921 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:50:00,922 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:50:00,922 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-05 20:50:00,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:50:00,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:50:00,926 INFO L85 PathProgramCache]: Analyzing trace with hash 2625386, now seen corresponding path program 1 times [2022-12-05 20:50:00,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:50:00,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366437066] [2022-12-05 20:50:00,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:50:00,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:50:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:50:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:50:01,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:50:01,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366437066] [2022-12-05 20:50:01,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366437066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:50:01,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:50:01,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:50:01,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869176209] [2022-12-05 20:50:01,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:50:01,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 20:50:01,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:50:01,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 20:50:01,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 20:50:01,422 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 55 [2022-12-05 20:50:01,423 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 55 transitions, 119 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) [2022-12-05 20:50:01,424 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:50:01,424 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 55 [2022-12-05 20:50:01,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:50:01,925 INFO L130 PetriNetUnfolder]: 223/415 cut-off events. [2022-12-05 20:50:01,925 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-05 20:50:01,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 415 events. 223/415 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 1746 event pairs, 213 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 704. Up to 416 conditions per place. [2022-12-05 20:50:01,929 INFO L137 encePairwiseOnDemand]: 44/55 looper letters, 40 selfloop transitions, 0 changer transitions 4/44 dead transitions. [2022-12-05 20:50:01,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 44 transitions, 185 flow [2022-12-05 20:50:01,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 20:50:01,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 20:50:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 55 transitions. [2022-12-05 20:50:01,940 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-05 20:50:01,941 INFO L175 Difference]: Start difference. First operand has 42 places, 55 transitions, 119 flow. Second operand 2 states and 55 transitions. [2022-12-05 20:50:01,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 44 transitions, 185 flow [2022-12-05 20:50:01,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 180 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:50:01,945 INFO L231 Difference]: Finished difference. Result has 39 places, 40 transitions, 83 flow [2022-12-05 20:50:01,947 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=83, PETRI_PLACES=39, PETRI_TRANSITIONS=40} [2022-12-05 20:50:01,950 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, -3 predicate places. [2022-12-05 20:50:01,950 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 40 transitions, 83 flow [2022-12-05 20:50:01,950 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) [2022-12-05 20:50:01,950 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:50:01,950 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 20:50:01,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:50:01,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:50:01,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:50:01,958 INFO L85 PathProgramCache]: Analyzing trace with hash 881720783, now seen corresponding path program 1 times [2022-12-05 20:50:01,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:50:01,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104455451] [2022-12-05 20:50:01,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:50:01,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:50:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:50:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:50:02,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:50:02,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104455451] [2022-12-05 20:50:02,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104455451] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:50:02,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:50:02,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:50:02,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249334698] [2022-12-05 20:50:02,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:50:02,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:50:02,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:50:02,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:50:02,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:50:02,638 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 55 [2022-12-05 20:50:02,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 40 transitions, 83 flow. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-05 20:50:02,639 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:50:02,639 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 55 [2022-12-05 20:50:02,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:50:03,323 INFO L130 PetriNetUnfolder]: 138/278 cut-off events. [2022-12-05 20:50:03,323 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:50:03,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 570 conditions, 278 events. 138/278 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1274 event pairs, 93 based on Foata normal form. 26/204 useless extension candidates. Maximal degree in co-relation 567. Up to 218 conditions per place. [2022-12-05 20:50:03,324 INFO L137 encePairwiseOnDemand]: 52/55 looper letters, 38 selfloop transitions, 2 changer transitions 14/54 dead transitions. [2022-12-05 20:50:03,324 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 54 transitions, 221 flow [2022-12-05 20:50:03,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:50:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:50:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 55 transitions. [2022-12-05 20:50:03,326 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2022-12-05 20:50:03,326 INFO L175 Difference]: Start difference. First operand has 39 places, 40 transitions, 83 flow. Second operand 3 states and 55 transitions. [2022-12-05 20:50:03,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 54 transitions, 221 flow [2022-12-05 20:50:03,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 54 transitions, 221 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 20:50:03,327 INFO L231 Difference]: Finished difference. Result has 38 places, 40 transitions, 91 flow [2022-12-05 20:50:03,328 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=91, PETRI_PLACES=38, PETRI_TRANSITIONS=40} [2022-12-05 20:50:03,328 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, -4 predicate places. [2022-12-05 20:50:03,328 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 40 transitions, 91 flow [2022-12-05 20:50:03,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-05 20:50:03,328 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:50:03,328 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:50:03,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:50:03,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:50:03,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:50:03,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1563535854, now seen corresponding path program 1 times [2022-12-05 20:50:03,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:50:03,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988814685] [2022-12-05 20:50:03,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:50:03,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:50:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:50:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:50:04,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:50:04,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988814685] [2022-12-05 20:50:04,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988814685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:50:04,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:50:04,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 20:50:04,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105796034] [2022-12-05 20:50:04,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:50:04,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 20:50:04,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:50:04,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 20:50:04,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-05 20:50:04,383 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 55 [2022-12-05 20:50:04,383 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 40 transitions, 91 flow. Second operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-12-05 20:50:04,383 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:50:04,383 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 55 [2022-12-05 20:50:04,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:50:05,169 INFO L130 PetriNetUnfolder]: 21/61 cut-off events. [2022-12-05 20:50:05,169 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-12-05 20:50:05,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 61 events. 21/61 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 177 event pairs, 11 based on Foata normal form. 25/58 useless extension candidates. Maximal degree in co-relation 128. Up to 37 conditions per place. [2022-12-05 20:50:05,170 INFO L137 encePairwiseOnDemand]: 44/55 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2022-12-05 20:50:05,170 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 39 transitions, 165 flow [2022-12-05 20:50:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:50:05,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:50:05,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 40 transitions. [2022-12-05 20:50:05,171 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.12121212121212122 [2022-12-05 20:50:05,171 INFO L175 Difference]: Start difference. First operand has 38 places, 40 transitions, 91 flow. Second operand 6 states and 40 transitions. [2022-12-05 20:50:05,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 39 transitions, 165 flow [2022-12-05 20:50:05,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 39 transitions, 159 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:50:05,172 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2022-12-05 20:50:05,172 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2022-12-05 20:50:05,173 INFO L294 CegarLoopForPetriNet]: 42 programPoint places, -3 predicate places. [2022-12-05 20:50:05,173 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2022-12-05 20:50:05,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2022-12-05 20:50:05,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-05 20:50:05,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-05 20:50:05,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-05 20:50:05,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-05 20:50:05,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-05 20:50:05,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 20:50:05,176 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-05 20:50:05,180 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:50:05,180 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:50:05,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:50:05 BasicIcfg [2022-12-05 20:50:05,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:50:05,183 INFO L158 Benchmark]: Toolchain (without parser) took 439774.01ms. Allocated memory was 180.4MB in the beginning and 332.4MB in the end (delta: 152.0MB). Free memory was 144.7MB in the beginning and 78.0MB in the end (delta: 66.8MB). Peak memory consumption was 219.6MB. Max. memory is 8.0GB. [2022-12-05 20:50:05,183 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory was 157.1MB in the beginning and 157.0MB in the end (delta: 83.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:50:05,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5762.43ms. Allocated memory was 180.4MB in the beginning and 276.8MB in the end (delta: 96.5MB). Free memory was 144.7MB in the beginning and 163.1MB in the end (delta: -18.4MB). Peak memory consumption was 129.5MB. Max. memory is 8.0GB. [2022-12-05 20:50:05,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.72ms. Allocated memory is still 276.8MB. Free memory was 163.1MB in the beginning and 152.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-05 20:50:05,184 INFO L158 Benchmark]: Boogie Preprocessor took 77.79ms. Allocated memory is still 276.8MB. Free memory was 152.1MB in the beginning and 146.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-05 20:50:05,184 INFO L158 Benchmark]: RCFGBuilder took 1216.05ms. Allocated memory is still 276.8MB. Free memory was 146.4MB in the beginning and 174.9MB in the end (delta: -28.5MB). Peak memory consumption was 22.8MB. Max. memory is 8.0GB. [2022-12-05 20:50:05,184 INFO L158 Benchmark]: TraceAbstraction took 432555.83ms. Allocated memory was 276.8MB in the beginning and 332.4MB in the end (delta: 55.6MB). Free memory was 174.4MB in the beginning and 78.0MB in the end (delta: 96.5MB). Peak memory consumption was 152.0MB. Max. memory is 8.0GB. [2022-12-05 20:50:05,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 180.4MB. Free memory was 157.1MB in the beginning and 157.0MB in the end (delta: 83.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5762.43ms. Allocated memory was 180.4MB in the beginning and 276.8MB in the end (delta: 96.5MB). Free memory was 144.7MB in the beginning and 163.1MB in the end (delta: -18.4MB). Peak memory consumption was 129.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 155.72ms. Allocated memory is still 276.8MB. Free memory was 163.1MB in the beginning and 152.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.79ms. Allocated memory is still 276.8MB. Free memory was 152.1MB in the beginning and 146.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1216.05ms. Allocated memory is still 276.8MB. Free memory was 146.4MB in the beginning and 174.9MB in the end (delta: -28.5MB). Peak memory consumption was 22.8MB. Max. memory is 8.0GB. * TraceAbstraction took 432555.83ms. Allocated memory was 276.8MB in the beginning and 332.4MB in the end (delta: 55.6MB). Free memory was 174.4MB in the beginning and 78.0MB in the end (delta: 96.5MB). Peak memory consumption was 152.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 427.7s, 671 PlacesBefore, 42 PlacesAfterwards, 716 TransitionsBefore, 55 TransitionsAfterwards, 8602 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 104 ConcurrentYvCompositions, 26 ChoiceCompositions, 664 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6988, independent: 6941, independent conditional: 6941, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6988, independent: 6941, independent conditional: 0, independent unconditional: 6941, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6988, independent: 6941, independent conditional: 0, independent unconditional: 6941, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6988, independent: 6941, independent conditional: 0, independent unconditional: 6941, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5208, independent: 5182, independent conditional: 0, independent unconditional: 5182, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5208, independent: 5182, independent conditional: 0, independent unconditional: 5182, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3986, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1842, dependent conditional: 0, dependent unconditional: 1842, unknown: 2144, unknown conditional: 0, unknown unconditional: 2144] ], Cache Queries: [ total: 6988, independent: 1759, independent conditional: 0, independent unconditional: 1759, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 5212, unknown conditional: 0, unknown unconditional: 5212] , Statistics on independence cache: Total cache size (in pairs): 13066, Positive cache size: 13041, Positive conditional cache size: 0, Positive unconditional cache size: 13041, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 783 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 432.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 428.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 239 IncrementalHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 239 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 20:50:05,240 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...