/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 12:08:10,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:08:10,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:08:10,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:08:10,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:08:10,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:08:10,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:08:10,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:08:10,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:08:10,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:08:10,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:08:10,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:08:10,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:08:10,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:08:10,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:08:10,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:08:10,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:08:10,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:08:10,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:08:10,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:08:10,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:08:10,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:08:10,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:08:10,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:08:10,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:08:10,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:08:10,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:08:10,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:08:10,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:08:10,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:08:10,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:08:10,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:08:10,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:08:10,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:08:10,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:08:10,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:08:10,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:08:10,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:08:10,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:08:10,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:08:10,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:08:10,223 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-13 12:08:10,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:08:10,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:08:10,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:08:10,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:08:10,251 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:08:10,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:08:10,252 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:08:10,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:08:10,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:08:10,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:08:10,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:08:10,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:08:10,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:08:10,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:08:10,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:08:10,253 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:08:10,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:08:10,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:08:10,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:08:10,254 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 12:08:10,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:08:10,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:08:10,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:08:10,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:08:10,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:08:10,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:08:10,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:08:10,255 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 12:08:10,255 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 12:08:10,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:08:10,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:08:10,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:08:10,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:08:10,523 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:08:10,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-13 12:08:11,564 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:08:11,982 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:08:11,983 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-13 12:08:12,030 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0bba3c5/bf9ead6f63e44598a107d4c988fc8d79/FLAGaf279c179 [2022-12-13 12:08:12,154 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c0bba3c5/bf9ead6f63e44598a107d4c988fc8d79 [2022-12-13 12:08:12,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:08:12,156 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 12:08:12,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:08:12,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:08:12,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:08:12,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:08:12" (1/1) ... [2022-12-13 12:08:12,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344c80ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:12, skipping insertion in model container [2022-12-13 12:08:12,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:08:12" (1/1) ... [2022-12-13 12:08:12,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:08:12,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:08:12,558 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_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-13 12:08:12,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:12,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:12,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:12,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:12,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:12,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:13,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:13,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:13,092 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:13,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:13,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:13,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:13,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:13,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:13,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:13,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:13,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:13,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:13,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:13,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:13,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:13,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:13,650 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 12:08:13,653 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 12:08:13,657 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 12:08:13,665 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 12:08:13,782 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 12:08:13,788 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 12:08:13,916 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 12:08:14,281 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 12:08:14,295 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 12:08:14,422 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 12:08:14,428 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 12:08:14,860 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 12:08:14,866 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 12:08:14,872 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 12:08:15,029 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 12:08:15,029 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 12:08:15,034 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 12:08:15,035 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 12:08:15,300 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 12:08:15,351 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 12:08:15,664 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 12:08:15,671 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:08:15,984 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 12:08:16,375 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 12:08:16,376 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 12:08:16,376 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 12:08:17,841 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 12:08:17,842 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 12:08:17,844 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 12:08:17,892 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 12:08:17,894 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 12:08:18,278 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 12:08:18,281 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 12:08:18,286 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 12:08:18,294 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:08:18,295 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 12:08:18,298 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:08:18,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:08:18,330 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:08:18,350 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_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-13 12:08:18,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,374 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,375 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,375 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,375 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,375 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,375 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,375 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,376 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 12:08:18,376 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 12:08:18,388 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 12:08:18,388 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 12:08:18,388 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 12:08:18,389 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 12:08:18,392 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 12:08:18,395 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 12:08:18,398 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 12:08:18,407 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 12:08:18,408 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 12:08:18,410 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 12:08:18,411 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 12:08:18,418 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 12:08:18,418 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 12:08:18,418 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 12:08:18,421 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 12:08:18,421 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 12:08:18,422 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 12:08:18,422 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 12:08:18,429 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 12:08:18,431 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 12:08:18,435 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 12:08:18,436 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:08:18,438 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 12:08:18,442 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 12:08:18,442 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 12:08:18,442 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 12:08:18,492 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 12:08:18,493 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 12:08:18,495 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 12:08:18,502 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 12:08:18,505 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 12:08:18,536 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 12:08:18,537 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 12:08:18,537 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 12:08:18,539 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:08:18,539 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 12:08:18,539 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:08:18,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:08:18,875 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:08:18,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18 WrapperNode [2022-12-13 12:08:18,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:08:18,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:08:18,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:08:18,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:08:18,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:18,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,000 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 16, statements flattened = 282 [2022-12-13 12:08:19,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:08:19,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:08:19,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:08:19,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:08:19,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,024 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:08:19,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:08:19,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:08:19,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:08:19,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (1/1) ... [2022-12-13 12:08:19,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:08:19,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 12:08:19,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:08:19,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:08:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:08:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 12:08:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:08:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:08:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-13 12:08:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-13 12:08:19,124 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 12:08:19,497 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 12:08:19,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:08:19,755 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 12:08:19,781 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:08:19,781 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:08:19,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:08:19 BoogieIcfgContainer [2022-12-13 12:08:19,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:08:19,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:08:19,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:08:19,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:08:19,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:08:12" (1/3) ... [2022-12-13 12:08:19,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b170fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:08:19, skipping insertion in model container [2022-12-13 12:08:19,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:08:18" (2/3) ... [2022-12-13 12:08:19,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b170fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:08:19, skipping insertion in model container [2022-12-13 12:08:19,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:08:19" (3/3) ... [2022-12-13 12:08:19,789 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-13 12:08:19,801 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:08:19,801 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:08:19,801 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:08:19,858 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 12:08:19,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 289 places, 293 transitions, 602 flow [2022-12-13 12:08:19,950 INFO L130 PetriNetUnfolder]: 11/291 cut-off events. [2022-12-13 12:08:19,950 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 12:08:19,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 291 events. 11/291 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 228 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 229. Up to 5 conditions per place. [2022-12-13 12:08:19,957 INFO L82 GeneralOperation]: Start removeDead. Operand has 289 places, 293 transitions, 602 flow [2022-12-13 12:08:19,966 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 283 transitions, 575 flow [2022-12-13 12:08:19,968 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:08:19,980 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 279 places, 283 transitions, 575 flow [2022-12-13 12:08:19,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 279 places, 283 transitions, 575 flow [2022-12-13 12:08:20,052 INFO L130 PetriNetUnfolder]: 11/283 cut-off events. [2022-12-13 12:08:20,052 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 12:08:20,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 283 events. 11/283 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 227 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 229. Up to 5 conditions per place. [2022-12-13 12:08:20,061 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 279 places, 283 transitions, 575 flow [2022-12-13 12:08:20,062 INFO L226 LiptonReduction]: Number of co-enabled transitions 5460 [2022-12-13 12:09:48,830 WARN L233 SmtUtils]: Spent 12.13s on a formula simplification that was a NOOP. DAG size: 419 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:10:00,779 WARN L233 SmtUtils]: Spent 11.89s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:10:19,343 WARN L233 SmtUtils]: Spent 18.55s on a formula simplification that was a NOOP. DAG size: 419 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:10:36,024 WARN L233 SmtUtils]: Spent 16.68s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:12:49,474 WARN L233 SmtUtils]: Spent 2.16m on a formula simplification. DAG size of input: 515 DAG size of output: 511 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:13:53,103 WARN L233 SmtUtils]: Spent 1.06m on a formula simplification that was a NOOP. DAG size: 501 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:15:46,351 WARN L233 SmtUtils]: Spent 1.89m on a formula simplification. DAG size of input: 527 DAG size of output: 521 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:17:18,670 WARN L233 SmtUtils]: Spent 1.54m on a formula simplification that was a NOOP. DAG size: 510 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 12:17:31,925 INFO L241 LiptonReduction]: Total number of compositions: 268 [2022-12-13 12:17:31,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:17:31,949 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@883f766, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 12:17:31,949 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 12:17:31,962 INFO L130 PetriNetUnfolder]: 1/52 cut-off events. [2022-12-13 12:17:31,962 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 12:17:31,963 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:17:31,964 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:17:31,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 12:17:31,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:17:31,968 INFO L85 PathProgramCache]: Analyzing trace with hash 205073654, now seen corresponding path program 1 times [2022-12-13 12:17:31,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:17:31,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332138628] [2022-12-13 12:17:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:17:31,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:17:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:17:32,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:17:32,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332138628] [2022-12-13 12:17:32,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332138628] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:17:32,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:17:32,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:17:32,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072898348] [2022-12-13 12:17:32,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:17:32,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:17:32,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:17:32,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:17:32,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:17:32,988 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 56 [2022-12-13 12:17:32,989 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 56 transitions, 121 flow. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:17:32,989 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:17:32,989 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 56 [2022-12-13 12:17:32,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:17:33,789 INFO L130 PetriNetUnfolder]: 1394/2513 cut-off events. [2022-12-13 12:17:33,789 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2022-12-13 12:17:33,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5082 conditions, 2513 events. 1394/2513 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 284. Compared 16442 event pairs, 730 based on Foata normal form. 0/1181 useless extension candidates. Maximal degree in co-relation 4990. Up to 1773 conditions per place. [2022-12-13 12:17:33,796 INFO L137 encePairwiseOnDemand]: 25/56 looper letters, 20 selfloop transitions, 30 changer transitions 48/101 dead transitions. [2022-12-13 12:17:33,796 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 101 transitions, 410 flow [2022-12-13 12:17:33,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:17:33,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:17:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2022-12-13 12:17:33,805 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2022-12-13 12:17:33,807 INFO L175 Difference]: Start difference. First operand has 62 places, 56 transitions, 121 flow. Second operand 3 states and 108 transitions. [2022-12-13 12:17:33,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 101 transitions, 410 flow [2022-12-13 12:17:33,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 101 transitions, 403 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 12:17:33,812 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 214 flow [2022-12-13 12:17:33,813 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2022-12-13 12:17:33,816 INFO L295 CegarLoopForPetriNet]: 62 programPoint places, 0 predicate places. [2022-12-13 12:17:33,816 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:17:33,817 INFO L89 Accepts]: Start accepts. Operand has 62 places, 51 transitions, 214 flow [2022-12-13 12:17:33,818 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:17:33,819 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:17:33,819 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 51 transitions, 214 flow [2022-12-13 12:17:33,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 51 transitions, 214 flow [2022-12-13 12:17:33,834 INFO L130 PetriNetUnfolder]: 14/104 cut-off events. [2022-12-13 12:17:33,834 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-13 12:17:33,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 228 conditions, 104 events. 14/104 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 663 event pairs, 7 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 218. Up to 81 conditions per place. [2022-12-13 12:17:33,837 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 51 transitions, 214 flow [2022-12-13 12:17:33,837 INFO L226 LiptonReduction]: Number of co-enabled transitions 320 [2022-12-13 12:17:33,853 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:17:33,855 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 39 [2022-12-13 12:17:33,855 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 51 transitions, 214 flow [2022-12-13 12:17:33,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:17:33,855 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:17:33,856 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:17:33,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:17:33,856 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 12:17:33,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:17:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash 2062317723, now seen corresponding path program 1 times [2022-12-13 12:17:33,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:17:33,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316846648] [2022-12-13 12:17:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:17:33,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:17:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:17:34,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:17:34,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316846648] [2022-12-13 12:17:34,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316846648] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:17:34,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:17:34,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:17:34,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120058253] [2022-12-13 12:17:34,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:17:34,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:17:34,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:17:34,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:17:34,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:17:34,868 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 43 [2022-12-13 12:17:34,868 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 51 transitions, 214 flow. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:17:34,868 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:17:34,868 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 43 [2022-12-13 12:17:34,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:17:35,419 INFO L130 PetriNetUnfolder]: 244/516 cut-off events. [2022-12-13 12:17:35,419 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2022-12-13 12:17:35,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1420 conditions, 516 events. 244/516 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 2936 event pairs, 34 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 724. Up to 357 conditions per place. [2022-12-13 12:17:35,435 INFO L137 encePairwiseOnDemand]: 38/43 looper letters, 48 selfloop transitions, 2 changer transitions 18/71 dead transitions. [2022-12-13 12:17:35,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 71 transitions, 413 flow [2022-12-13 12:17:35,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:17:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 12:17:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 76 transitions. [2022-12-13 12:17:35,438 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4418604651162791 [2022-12-13 12:17:35,438 INFO L175 Difference]: Start difference. First operand has 50 places, 51 transitions, 214 flow. Second operand 4 states and 76 transitions. [2022-12-13 12:17:35,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 71 transitions, 413 flow [2022-12-13 12:17:35,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 71 transitions, 386 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 12:17:35,441 INFO L231 Difference]: Finished difference. Result has 49 places, 48 transitions, 176 flow [2022-12-13 12:17:35,441 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=49, PETRI_TRANSITIONS=48} [2022-12-13 12:17:35,442 INFO L295 CegarLoopForPetriNet]: 62 programPoint places, -13 predicate places. [2022-12-13 12:17:35,442 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 12:17:35,442 INFO L89 Accepts]: Start accepts. Operand has 49 places, 48 transitions, 176 flow [2022-12-13 12:17:35,443 INFO L95 Accepts]: Finished accepts. [2022-12-13 12:17:35,443 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:17:35,443 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 48 transitions, 176 flow [2022-12-13 12:17:35,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 48 transitions, 176 flow [2022-12-13 12:17:35,465 INFO L130 PetriNetUnfolder]: 14/98 cut-off events. [2022-12-13 12:17:35,465 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:17:35,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 98 events. 14/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 582 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 187. Up to 75 conditions per place. [2022-12-13 12:17:35,466 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 48 transitions, 176 flow [2022-12-13 12:17:35,466 INFO L226 LiptonReduction]: Number of co-enabled transitions 302 [2022-12-13 12:17:35,497 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:17:35,500 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 58 [2022-12-13 12:17:35,500 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 48 transitions, 176 flow [2022-12-13 12:17:35,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:17:35,501 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:17:35,501 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:17:35,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:17:35,501 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 12:17:35,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:17:35,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2062318033, now seen corresponding path program 1 times [2022-12-13 12:17:35,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:17:35,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9321379] [2022-12-13 12:17:35,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:17:35,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:17:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:17:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:17:36,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:17:36,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9321379] [2022-12-13 12:17:36,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9321379] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:17:36,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:17:36,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:17:36,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530962988] [2022-12-13 12:17:36,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:17:36,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 12:17:36,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:17:36,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:17:36,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:17:36,966 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 40 [2022-12-13 12:17:36,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 48 transitions, 176 flow. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:17:36,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:17:36,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 40 [2022-12-13 12:17:36,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:17:37,847 INFO L130 PetriNetUnfolder]: 169/360 cut-off events. [2022-12-13 12:17:37,847 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-12-13 12:17:37,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 988 conditions, 360 events. 169/360 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 1918 event pairs, 32 based on Foata normal form. 80/249 useless extension candidates. Maximal degree in co-relation 514. Up to 202 conditions per place. [2022-12-13 12:17:37,849 INFO L137 encePairwiseOnDemand]: 36/40 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2022-12-13 12:17:37,849 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 70 transitions, 384 flow [2022-12-13 12:17:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:17:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 12:17:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 76 transitions. [2022-12-13 12:17:37,853 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.38 [2022-12-13 12:17:37,853 INFO L175 Difference]: Start difference. First operand has 49 places, 48 transitions, 176 flow. Second operand 5 states and 76 transitions. [2022-12-13 12:17:37,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 70 transitions, 384 flow [2022-12-13 12:17:37,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 70 transitions, 381 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:17:37,856 INFO L231 Difference]: Finished difference. Result has 50 places, 0 transitions, 0 flow [2022-12-13 12:17:37,856 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=50, PETRI_TRANSITIONS=0} [2022-12-13 12:17:37,857 INFO L295 CegarLoopForPetriNet]: 62 programPoint places, -12 predicate places. [2022-12-13 12:17:37,857 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 12:17:37,858 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 0 transitions, 0 flow [2022-12-13 12:17:37,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-13 12:17:37,858 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 12:17:37,858 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:17:37,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-13 12:17:37,858 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 12:17:37,858 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 12:17:37,859 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 12:17:37,861 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4 [2022-12-13 12:17:37,863 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 12:17:37,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:17:37,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2022-12-13 12:17:37,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-13 12:17:37,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-12-13 12:17:37,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-13 12:17:37,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:17:37,881 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 12:17:37,886 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 12:17:37,886 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:17:37,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:17:37 BasicIcfg [2022-12-13 12:17:37,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:17:37,894 INFO L158 Benchmark]: Toolchain (without parser) took 565736.51ms. Allocated memory was 202.4MB in the beginning and 456.1MB in the end (delta: 253.8MB). Free memory was 167.8MB in the beginning and 325.1MB in the end (delta: -157.4MB). Peak memory consumption was 97.4MB. Max. memory is 8.0GB. [2022-12-13 12:17:37,895 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory was 179.3MB in the beginning and 179.2MB in the end (delta: 93.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 12:17:37,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6717.72ms. Allocated memory was 202.4MB in the beginning and 252.7MB in the end (delta: 50.3MB). Free memory was 167.8MB in the beginning and 137.1MB in the end (delta: 30.7MB). Peak memory consumption was 138.6MB. Max. memory is 8.0GB. [2022-12-13 12:17:37,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.96ms. Allocated memory is still 252.7MB. Free memory was 137.1MB in the beginning and 128.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-12-13 12:17:37,895 INFO L158 Benchmark]: Boogie Preprocessor took 29.51ms. Allocated memory is still 252.7MB. Free memory was 128.3MB in the beginning and 124.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-13 12:17:37,896 INFO L158 Benchmark]: RCFGBuilder took 752.10ms. Allocated memory was 252.7MB in the beginning and 315.6MB in the end (delta: 62.9MB). Free memory was 124.1MB in the beginning and 253.0MB in the end (delta: -128.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2022-12-13 12:17:37,896 INFO L158 Benchmark]: TraceAbstraction took 558107.86ms. Allocated memory was 315.6MB in the beginning and 456.1MB in the end (delta: 140.5MB). Free memory was 252.0MB in the beginning and 325.1MB in the end (delta: -73.2MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. [2022-12-13 12:17:37,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory was 179.3MB in the beginning and 179.2MB in the end (delta: 93.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6717.72ms. Allocated memory was 202.4MB in the beginning and 252.7MB in the end (delta: 50.3MB). Free memory was 167.8MB in the beginning and 137.1MB in the end (delta: 30.7MB). Peak memory consumption was 138.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 123.96ms. Allocated memory is still 252.7MB. Free memory was 137.1MB in the beginning and 128.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.51ms. Allocated memory is still 252.7MB. Free memory was 128.3MB in the beginning and 124.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 752.10ms. Allocated memory was 252.7MB in the beginning and 315.6MB in the end (delta: 62.9MB). Free memory was 124.1MB in the beginning and 253.0MB in the end (delta: -128.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 558107.86ms. Allocated memory was 315.6MB in the beginning and 456.1MB in the end (delta: 140.5MB). Free memory was 252.0MB in the beginning and 325.1MB in the end (delta: -73.2MB). Peak memory consumption was 67.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 551.9s, 279 PlacesBefore, 62 PlacesAfterwards, 283 TransitionsBefore, 56 TransitionsAfterwards, 5460 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 83 ConcurrentYvCompositions, 6 ChoiceCompositions, 268 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7964, independent: 7869, independent conditional: 7869, independent unconditional: 0, dependent: 79, dependent conditional: 79, dependent unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7964, independent: 7869, independent conditional: 0, independent unconditional: 7869, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7964, independent: 7869, independent conditional: 0, independent unconditional: 7869, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7964, independent: 7869, independent conditional: 0, independent unconditional: 7869, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4565, independent: 4536, independent conditional: 0, independent unconditional: 4536, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4565, independent: 4511, independent conditional: 0, independent unconditional: 4511, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8704, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 8446, unknown conditional: 0, unknown unconditional: 8446] ], Cache Queries: [ total: 7964, independent: 3333, independent conditional: 0, independent unconditional: 3333, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 4577, unknown conditional: 0, unknown unconditional: 4577] , Statistics on independence cache: Total cache size (in pairs): 14012, Positive cache size: 13987, Positive conditional cache size: 0, Positive unconditional cache size: 13987, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 50 PlacesBefore, 50 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59, independent: 29, independent conditional: 29, independent unconditional: 0, dependent: 30, dependent conditional: 30, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 59, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 59, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 59, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 59, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 49 PlacesBefore, 49 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160, independent: 132, independent conditional: 132, independent unconditional: 0, dependent: 28, dependent conditional: 28, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 160, independent: 132, independent conditional: 130, independent unconditional: 2, dependent: 28, dependent conditional: 26, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160, independent: 132, independent conditional: 130, independent unconditional: 2, dependent: 28, dependent conditional: 26, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 160, independent: 132, independent conditional: 130, independent unconditional: 2, dependent: 28, dependent conditional: 26, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 5, independent conditional: 4, independent unconditional: 1, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 28, dependent conditional: 18, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 160, independent: 127, independent conditional: 126, independent unconditional: 1, dependent: 26, dependent conditional: 25, dependent unconditional: 1, unknown: 7, unknown conditional: 5, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 6, Positive conditional cache size: 4, Positive unconditional cache size: 2, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 6, Positive conditional cache size: 4, Positive unconditional cache size: 2, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 370 locations, 4 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: 558.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 552.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 0 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 12:17:38,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...