/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 21:45:36,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 21:45:36,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 21:45:36,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 21:45:36,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 21:45:36,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 21:45:36,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 21:45:36,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 21:45:36,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 21:45:36,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 21:45:36,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 21:45:36,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 21:45:36,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 21:45:36,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 21:45:36,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 21:45:36,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 21:45:36,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 21:45:36,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 21:45:36,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 21:45:36,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 21:45:36,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 21:45:36,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 21:45:36,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 21:45:36,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 21:45:36,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 21:45:36,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 21:45:36,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 21:45:36,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 21:45:36,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 21:45:36,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 21:45:36,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 21:45:36,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 21:45:36,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 21:45:36,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 21:45:36,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 21:45:36,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 21:45:36,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 21:45:36,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 21:45:36,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 21:45:36,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 21:45:36,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 21:45:36,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-12 21:45:36,588 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 21:45:36,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 21:45:36,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 21:45:36,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 21:45:36,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 21:45:36,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 21:45:36,591 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 21:45:36,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 21:45:36,591 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 21:45:36,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 21:45:36,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 21:45:36,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 21:45:36,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 21:45:36,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 21:45:36,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 21:45:36,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 21:45:36,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 21:45:36,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 21:45:36,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 21:45:36,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 21:45:36,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 21:45:36,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 21:45:36,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 21:45:36,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 21:45:36,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 21:45:36,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 21:45:36,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 21:45:36,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 21:45:36,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 21:45:36,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 21:45:36,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-12 21:45:36,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 21:45:36,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 21:45:36,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 21:45:36,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 21:45:36,925 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 21:45:36,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-12 21:45:37,956 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 21:45:38,471 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 21:45:38,472 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-12 21:45:38,521 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68780df5b/43026416b73447188f1eb06e3a9ee49b/FLAG2d6681f08 [2022-12-12 21:45:38,541 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68780df5b/43026416b73447188f1eb06e3a9ee49b [2022-12-12 21:45:38,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 21:45:38,546 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 21:45:38,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 21:45:38,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 21:45:38,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 21:45:38,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 09:45:38" (1/1) ... [2022-12-12 21:45:38,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13873b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:38, skipping insertion in model container [2022-12-12 21:45:38,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 09:45:38" (1/1) ... [2022-12-12 21:45:38,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 21:45:38,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 21:45:39,049 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_write_nvram.i[5469,5482] [2022-12-12 21:45:39,467 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,467 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,647 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,654 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:39,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:39,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:40,418 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 21:45:40,421 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:45:40,423 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:45:40,430 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:45:40,495 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:45:40,499 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:45:40,570 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 21:45:40,762 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:45:40,767 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:45:40,806 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 21:45:40,810 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 21:45:41,084 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 21:45:41,089 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 21:45:41,093 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 21:45:41,213 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 21:45:41,214 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:45:41,219 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 21:45:41,219 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:45:41,323 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 21:45:41,343 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 21:45:41,476 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 21:45:41,480 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 21:45:41,636 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 21:45:41,985 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 21:45:41,985 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 21:45:41,985 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 21:45:43,357 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 21:45:43,358 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:45:43,362 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:45:43,366 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:45:43,370 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:45:44,084 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-12 21:45:44,094 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-12 21:45:44,105 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-12 21:45:44,122 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-12 21:45:44,122 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-12 21:45:44,129 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-12 21:45:44,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 21:45:44,197 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 21:45:44,229 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_write_nvram.i[5469,5482] [2022-12-12 21:45:44,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,241 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:45:44,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:45:44,305 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 21:45:44,306 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:45:44,306 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:45:44,307 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:45:44,311 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:45:44,315 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:45:44,318 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 21:45:44,331 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:45:44,332 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:45:44,334 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 21:45:44,335 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 21:45:44,343 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 21:45:44,344 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 21:45:44,344 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 21:45:44,349 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 21:45:44,349 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:45:44,349 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 21:45:44,350 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:45:44,362 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 21:45:44,366 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 21:45:44,371 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 21:45:44,372 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 21:45:44,376 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 21:45:44,381 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 21:45:44,381 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 21:45:44,382 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 21:45:44,470 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 21:45:44,471 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:45:44,475 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:45:44,483 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:45:44,487 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:45:44,597 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-12 21:45:44,598 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-12 21:45:44,599 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-12 21:45:44,601 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-12 21:45:44,601 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-12 21:45:44,602 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-12 21:45:44,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 21:45:44,917 INFO L208 MainTranslator]: Completed translation [2022-12-12 21:45:44,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44 WrapperNode [2022-12-12 21:45:44,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 21:45:44,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 21:45:44,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 21:45:44,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 21:45:44,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,060 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 314 [2022-12-12 21:45:45,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 21:45:45,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 21:45:45,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 21:45:45,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 21:45:45,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,108 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 21:45:45,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 21:45:45,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 21:45:45,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 21:45:45,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (1/1) ... [2022-12-12 21:45:45,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 21:45:45,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 21:45:45,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-12 21:45:45,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-12 21:45:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 21:45:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 21:45:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 21:45:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 21:45:45,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 21:45:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-12 21:45:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 21:45:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 21:45:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 21:45:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-12 21:45:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2022-12-12 21:45:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2022-12-12 21:45:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 21:45:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-12 21:45:45,196 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-12 21:45:45,197 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 21:45:45,637 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 21:45:45,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 21:45:46,011 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 21:45:46,019 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 21:45:46,019 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-12 21:45:46,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 09:45:46 BoogieIcfgContainer [2022-12-12 21:45:46,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 21:45:46,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 21:45:46,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 21:45:46,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 21:45:46,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 09:45:38" (1/3) ... [2022-12-12 21:45:46,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aa5ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 09:45:46, skipping insertion in model container [2022-12-12 21:45:46,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:45:44" (2/3) ... [2022-12-12 21:45:46,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aa5ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 09:45:46, skipping insertion in model container [2022-12-12 21:45:46,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 09:45:46" (3/3) ... [2022-12-12 21:45:46,028 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-12 21:45:46,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 21:45:46,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-12 21:45:46,043 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 21:45:46,120 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 21:45:46,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 330 places, 338 transitions, 692 flow [2022-12-12 21:45:46,260 INFO L130 PetriNetUnfolder]: 15/336 cut-off events. [2022-12-12 21:45:46,261 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 21:45:46,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 336 events. 15/336 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 320 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 274. Up to 5 conditions per place. [2022-12-12 21:45:46,268 INFO L82 GeneralOperation]: Start removeDead. Operand has 330 places, 338 transitions, 692 flow [2022-12-12 21:45:46,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 320 places, 328 transitions, 665 flow [2022-12-12 21:45:46,275 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 21:45:46,289 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 328 transitions, 665 flow [2022-12-12 21:45:46,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 328 transitions, 665 flow [2022-12-12 21:45:46,377 INFO L130 PetriNetUnfolder]: 15/328 cut-off events. [2022-12-12 21:45:46,377 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-12 21:45:46,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 328 events. 15/328 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 304 event pairs, 0 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 274. Up to 5 conditions per place. [2022-12-12 21:45:46,390 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 328 transitions, 665 flow [2022-12-12 21:45:46,391 INFO L226 LiptonReduction]: Number of co-enabled transitions 10680 [2022-12-12 21:46:50,345 WARN L233 SmtUtils]: Spent 10.69s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:46:58,915 WARN L233 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:09,045 WARN L233 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:17,118 WARN L233 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:28,617 WARN L233 SmtUtils]: Spent 10.75s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:38,850 WARN L233 SmtUtils]: Spent 10.23s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:47:57,448 WARN L233 SmtUtils]: Spent 18.59s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:48:16,484 WARN L233 SmtUtils]: Spent 19.03s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:49:43,284 WARN L233 SmtUtils]: Spent 1.40m on a formula simplification. DAG size of input: 522 DAG size of output: 515 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:50:19,365 WARN L233 SmtUtils]: Spent 36.07s on a formula simplification that was a NOOP. DAG size: 503 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:51:56,201 WARN L233 SmtUtils]: Spent 1.61m on a formula simplification. DAG size of input: 534 DAG size of output: 525 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:52:58,598 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 512 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:52:58,604 INFO L241 LiptonReduction]: Total number of compositions: 311 [2022-12-12 21:52:58,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 21:52:58,620 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;@1ef31175, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 21:52:58,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-12 21:52:58,644 INFO L130 PetriNetUnfolder]: 9/130 cut-off events. [2022-12-12 21:52:58,645 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-12 21:52:58,645 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:52:58,646 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-12 21:52:58,646 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 21:52:58,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:52:58,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1764301391, now seen corresponding path program 1 times [2022-12-12 21:52:58,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:52:58,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347865054] [2022-12-12 21:52:58,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:52:58,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:52:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:52:59,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:52:59,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:52:59,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347865054] [2022-12-12 21:52:59,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347865054] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:52:59,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:52:59,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 21:52:59,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003655679] [2022-12-12 21:52:59,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:52:59,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 21:52:59,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:52:59,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 21:52:59,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 21:52:59,775 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2022-12-12 21:52:59,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 149 transitions, 307 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:52:59,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:52:59,776 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2022-12-12 21:52:59,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:53:03,437 INFO L130 PetriNetUnfolder]: 20400/32528 cut-off events. [2022-12-12 21:53:03,437 INFO L131 PetriNetUnfolder]: For 195/195 co-relation queries the response was YES. [2022-12-12 21:53:03,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64975 conditions, 32528 events. 20400/32528 cut-off events. For 195/195 co-relation queries the response was YES. Maximal size of possible extension queue 2959. Compared 265236 event pairs, 15403 based on Foata normal form. 0/6698 useless extension candidates. Maximal degree in co-relation 64139. Up to 27226 conditions per place. [2022-12-12 21:53:03,513 INFO L137 encePairwiseOnDemand]: 136/149 looper letters, 148 selfloop transitions, 9 changer transitions 45/209 dead transitions. [2022-12-12 21:53:03,513 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 209 transitions, 837 flow [2022-12-12 21:53:03,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 21:53:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 21:53:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 228 transitions. [2022-12-12 21:53:03,526 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5100671140939598 [2022-12-12 21:53:03,529 INFO L295 CegarLoopForPetriNet]: 145 programPoint places, 0 predicate places. [2022-12-12 21:53:03,529 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 209 transitions, 837 flow [2022-12-12 21:53:03,560 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 164 transitions, 657 flow [2022-12-12 21:53:03,562 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 164 transitions, 657 flow [2022-12-12 21:53:03,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:03,562 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:53:03,562 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:53:03,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 21:53:03,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 21:53:03,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:53:03,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1143323380, now seen corresponding path program 1 times [2022-12-12 21:53:03,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:53:03,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834817828] [2022-12-12 21:53:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:53:03,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:53:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:53:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:53:04,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:53:04,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834817828] [2022-12-12 21:53:04,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834817828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:53:04,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:53:04,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 21:53:04,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139335178] [2022-12-12 21:53:04,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:53:04,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 21:53:04,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:53:04,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 21:53:04,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 21:53:04,052 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 149 [2022-12-12 21:53:04,053 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 164 transitions, 657 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:04,053 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:53:04,055 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 149 [2022-12-12 21:53:04,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:53:07,757 INFO L130 PetriNetUnfolder]: 19785/33201 cut-off events. [2022-12-12 21:53:07,763 INFO L131 PetriNetUnfolder]: For 261/261 co-relation queries the response was YES. [2022-12-12 21:53:07,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98511 conditions, 33201 events. 19785/33201 cut-off events. For 261/261 co-relation queries the response was YES. Maximal size of possible extension queue 2927. Compared 289891 event pairs, 11263 based on Foata normal form. 23/7818 useless extension candidates. Maximal degree in co-relation 97429. Up to 28872 conditions per place. [2022-12-12 21:53:07,828 INFO L137 encePairwiseOnDemand]: 145/149 looper letters, 79 selfloop transitions, 3 changer transitions 172/261 dead transitions. [2022-12-12 21:53:07,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 261 transitions, 1557 flow [2022-12-12 21:53:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 21:53:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 21:53:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 255 transitions. [2022-12-12 21:53:07,834 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5704697986577181 [2022-12-12 21:53:07,835 INFO L295 CegarLoopForPetriNet]: 145 programPoint places, -2 predicate places. [2022-12-12 21:53:07,835 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 261 transitions, 1557 flow [2022-12-12 21:53:07,867 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 89 transitions, 518 flow [2022-12-12 21:53:07,868 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 89 transitions, 518 flow [2022-12-12 21:53:07,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:07,869 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:53:07,869 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:53:07,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 21:53:07,869 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 21:53:07,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:53:07,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1141227127, now seen corresponding path program 1 times [2022-12-12 21:53:07,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:53:07,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114536602] [2022-12-12 21:53:07,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:53:07,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:53:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:53:08,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:53:08,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:53:08,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114536602] [2022-12-12 21:53:08,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114536602] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:53:08,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:53:08,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-12 21:53:08,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544077985] [2022-12-12 21:53:08,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:53:08,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 21:53:08,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:53:08,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 21:53:08,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-12 21:53:08,541 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2022-12-12 21:53:08,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 89 transitions, 518 flow. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:08,541 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:53:08,542 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2022-12-12 21:53:08,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:53:09,923 INFO L130 PetriNetUnfolder]: 2900/6810 cut-off events. [2022-12-12 21:53:09,924 INFO L131 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2022-12-12 21:53:09,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26601 conditions, 6810 events. 2900/6810 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 1314. Compared 69475 event pairs, 831 based on Foata normal form. 91/2731 useless extension candidates. Maximal degree in co-relation 26047. Up to 5121 conditions per place. [2022-12-12 21:53:09,939 INFO L137 encePairwiseOnDemand]: 144/149 looper letters, 59 selfloop transitions, 7 changer transitions 98/171 dead transitions. [2022-12-12 21:53:09,939 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 171 transitions, 1344 flow [2022-12-12 21:53:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-12 21:53:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-12 21:53:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 179 transitions. [2022-12-12 21:53:09,941 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.24026845637583893 [2022-12-12 21:53:09,942 INFO L295 CegarLoopForPetriNet]: 145 programPoint places, -61 predicate places. [2022-12-12 21:53:09,942 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 171 transitions, 1344 flow [2022-12-12 21:53:09,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 73 transitions, 560 flow [2022-12-12 21:53:09,952 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 73 transitions, 560 flow [2022-12-12 21:53:09,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:09,952 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:53:09,952 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:53:09,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 21:53:09,952 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 21:53:09,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:53:09,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1427206036, now seen corresponding path program 1 times [2022-12-12 21:53:09,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:53:09,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139502289] [2022-12-12 21:53:09,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:53:09,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:53:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:53:15,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:53:15,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:53:15,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139502289] [2022-12-12 21:53:15,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139502289] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:53:15,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:53:15,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 21:53:15,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698205730] [2022-12-12 21:53:15,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:53:15,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 21:53:15,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:53:15,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 21:53:15,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 21:53:15,701 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2022-12-12 21:53:15,702 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 73 transitions, 560 flow. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:15,702 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:53:15,702 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2022-12-12 21:53:15,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:53:16,888 INFO L130 PetriNetUnfolder]: 2149/5234 cut-off events. [2022-12-12 21:53:16,888 INFO L131 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2022-12-12 21:53:16,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25276 conditions, 5234 events. 2149/5234 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 861. Compared 52423 event pairs, 154 based on Foata normal form. 45/2326 useless extension candidates. Maximal degree in co-relation 24504. Up to 2673 conditions per place. [2022-12-12 21:53:16,901 INFO L137 encePairwiseOnDemand]: 142/149 looper letters, 91 selfloop transitions, 13 changer transitions 45/156 dead transitions. [2022-12-12 21:53:16,902 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 156 transitions, 1528 flow [2022-12-12 21:53:16,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-12 21:53:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-12 21:53:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 176 transitions. [2022-12-12 21:53:16,904 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.1476510067114094 [2022-12-12 21:53:16,904 INFO L295 CegarLoopForPetriNet]: 145 programPoint places, -76 predicate places. [2022-12-12 21:53:16,904 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 156 transitions, 1528 flow [2022-12-12 21:53:16,914 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 111 transitions, 1075 flow [2022-12-12 21:53:16,914 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 111 transitions, 1075 flow [2022-12-12 21:53:16,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:16,915 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:53:16,915 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:53:16,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-12 21:53:16,915 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 21:53:16,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:53:16,915 INFO L85 PathProgramCache]: Analyzing trace with hash 617435610, now seen corresponding path program 2 times [2022-12-12 21:53:16,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:53:16,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833202839] [2022-12-12 21:53:16,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:53:16,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:53:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:53:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:53:17,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:53:17,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833202839] [2022-12-12 21:53:17,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833202839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:53:17,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:53:17,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 21:53:17,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976560115] [2022-12-12 21:53:17,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:53:17,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 21:53:17,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:53:17,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 21:53:17,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-12 21:53:17,644 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2022-12-12 21:53:17,644 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 111 transitions, 1075 flow. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:17,644 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:53:17,645 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2022-12-12 21:53:17,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:53:18,700 INFO L130 PetriNetUnfolder]: 1547/3796 cut-off events. [2022-12-12 21:53:18,700 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-12-12 21:53:18,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22006 conditions, 3796 events. 1547/3796 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 687. Compared 36862 event pairs, 112 based on Foata normal form. 45/1651 useless extension candidates. Maximal degree in co-relation 21809. Up to 2317 conditions per place. [2022-12-12 21:53:18,713 INFO L137 encePairwiseOnDemand]: 142/149 looper letters, 90 selfloop transitions, 10 changer transitions 36/143 dead transitions. [2022-12-12 21:53:18,713 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 143 transitions, 1670 flow [2022-12-12 21:53:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 21:53:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 21:53:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 126 transitions. [2022-12-12 21:53:18,715 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.14093959731543623 [2022-12-12 21:53:18,717 INFO L295 CegarLoopForPetriNet]: 145 programPoint places, -71 predicate places. [2022-12-12 21:53:18,717 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 143 transitions, 1670 flow [2022-12-12 21:53:18,725 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 107 transitions, 1232 flow [2022-12-12 21:53:18,726 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 107 transitions, 1232 flow [2022-12-12 21:53:18,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:18,726 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:53:18,726 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:53:18,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-12 21:53:18,726 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 21:53:18,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:53:18,727 INFO L85 PathProgramCache]: Analyzing trace with hash 617042373, now seen corresponding path program 1 times [2022-12-12 21:53:18,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:53:18,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650243909] [2022-12-12 21:53:18,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:53:18,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:53:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:53:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:53:19,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:53:19,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650243909] [2022-12-12 21:53:19,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650243909] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:53:19,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:53:19,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 21:53:19,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329840373] [2022-12-12 21:53:19,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:53:19,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 21:53:19,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:53:19,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 21:53:19,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-12 21:53:19,504 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 149 [2022-12-12 21:53:19,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 107 transitions, 1232 flow. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:19,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:53:19,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 149 [2022-12-12 21:53:19,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:53:20,478 INFO L130 PetriNetUnfolder]: 1101/2661 cut-off events. [2022-12-12 21:53:20,478 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-12 21:53:20,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17950 conditions, 2661 events. 1101/2661 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 23888 event pairs, 77 based on Foata normal form. 38/1186 useless extension candidates. Maximal degree in co-relation 17732. Up to 2220 conditions per place. [2022-12-12 21:53:20,484 INFO L137 encePairwiseOnDemand]: 143/149 looper letters, 71 selfloop transitions, 11 changer transitions 32/121 dead transitions. [2022-12-12 21:53:20,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 121 transitions, 1631 flow [2022-12-12 21:53:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-12 21:53:20,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-12 21:53:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 157 transitions. [2022-12-12 21:53:20,486 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.13171140939597314 [2022-12-12 21:53:20,487 INFO L295 CegarLoopForPetriNet]: 145 programPoint places, -65 predicate places. [2022-12-12 21:53:20,487 INFO L82 GeneralOperation]: Start removeDead. Operand has 80 places, 121 transitions, 1631 flow [2022-12-12 21:53:20,492 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 89 transitions, 1177 flow [2022-12-12 21:53:20,492 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 89 transitions, 1177 flow [2022-12-12 21:53:20,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:20,493 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:53:20,493 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:53:20,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-12 21:53:20,493 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 21:53:20,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:53:20,494 INFO L85 PathProgramCache]: Analyzing trace with hash 617349120, now seen corresponding path program 3 times [2022-12-12 21:53:20,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:53:20,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890192165] [2022-12-12 21:53:20,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:53:20,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:53:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:53:25,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:53:25,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:53:25,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890192165] [2022-12-12 21:53:25,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890192165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:53:25,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:53:25,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 21:53:25,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34395721] [2022-12-12 21:53:25,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:53:25,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 21:53:25,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:53:25,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 21:53:25,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 21:53:25,653 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2022-12-12 21:53:25,653 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 89 transitions, 1177 flow. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:25,653 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:53:25,653 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2022-12-12 21:53:25,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:53:26,263 INFO L130 PetriNetUnfolder]: 266/555 cut-off events. [2022-12-12 21:53:26,263 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-12 21:53:26,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4301 conditions, 555 events. 266/555 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 2905 event pairs, 77 based on Foata normal form. 45/353 useless extension candidates. Maximal degree in co-relation 4221. Up to 364 conditions per place. [2022-12-12 21:53:26,267 INFO L137 encePairwiseOnDemand]: 143/149 looper letters, 61 selfloop transitions, 8 changer transitions 30/105 dead transitions. [2022-12-12 21:53:26,267 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 105 transitions, 1597 flow [2022-12-12 21:53:26,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 21:53:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 21:53:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 123 transitions. [2022-12-12 21:53:26,269 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.11792905081495686 [2022-12-12 21:53:26,269 INFO L295 CegarLoopForPetriNet]: 145 programPoint places, -59 predicate places. [2022-12-12 21:53:26,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 105 transitions, 1597 flow [2022-12-12 21:53:26,272 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 83 places, 75 transitions, 1128 flow [2022-12-12 21:53:26,272 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 75 transitions, 1128 flow [2022-12-12 21:53:26,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:26,272 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:53:26,273 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:53:26,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-12 21:53:26,273 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 21:53:26,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:53:26,273 INFO L85 PathProgramCache]: Analyzing trace with hash 652308690, now seen corresponding path program 4 times [2022-12-12 21:53:26,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:53:26,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420724672] [2022-12-12 21:53:26,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:53:26,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:53:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:53:32,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:53:32,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:53:32,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420724672] [2022-12-12 21:53:32,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420724672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:53:32,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:53:32,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 21:53:32,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525459211] [2022-12-12 21:53:32,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:53:32,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-12 21:53:32,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:53:32,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-12 21:53:32,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-12 21:53:32,559 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 149 [2022-12-12 21:53:32,560 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 75 transitions, 1128 flow. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:32,560 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:53:32,560 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 149 [2022-12-12 21:53:32,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:53:33,174 INFO L130 PetriNetUnfolder]: 144/326 cut-off events. [2022-12-12 21:53:33,174 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 21:53:33,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2833 conditions, 326 events. 144/326 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 1521 event pairs, 35 based on Foata normal form. 45/228 useless extension candidates. Maximal degree in co-relation 2744. Up to 213 conditions per place. [2022-12-12 21:53:33,175 INFO L137 encePairwiseOnDemand]: 144/149 looper letters, 36 selfloop transitions, 4 changer transitions 30/74 dead transitions. [2022-12-12 21:53:33,176 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 74 transitions, 1248 flow [2022-12-12 21:53:33,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 21:53:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 21:53:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-12-12 21:53:33,177 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.10514541387024609 [2022-12-12 21:53:33,177 INFO L295 CegarLoopForPetriNet]: 145 programPoint places, -58 predicate places. [2022-12-12 21:53:33,178 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 74 transitions, 1248 flow [2022-12-12 21:53:33,179 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 44 transitions, 737 flow [2022-12-12 21:53:33,179 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 44 transitions, 737 flow [2022-12-12 21:53:33,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:33,180 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 21:53:33,180 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 21:53:33,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-12 21:53:33,180 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 21:53:33,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 21:53:33,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1427512783, now seen corresponding path program 2 times [2022-12-12 21:53:33,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 21:53:33,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309011180] [2022-12-12 21:53:33,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 21:53:33,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 21:53:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 21:53:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 21:53:33,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 21:53:33,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309011180] [2022-12-12 21:53:33,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309011180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 21:53:33,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 21:53:33,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 21:53:33,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303519030] [2022-12-12 21:53:33,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 21:53:33,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 21:53:33,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 21:53:33,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 21:53:33,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-12 21:53:33,766 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 149 [2022-12-12 21:53:33,767 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 44 transitions, 737 flow. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:33,767 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 21:53:33,767 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 149 [2022-12-12 21:53:33,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 21:53:34,305 INFO L130 PetriNetUnfolder]: 48/116 cut-off events. [2022-12-12 21:53:34,306 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-12 21:53:34,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 116 events. 48/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 383 event pairs, 0 based on Foata normal form. 38/105 useless extension candidates. Maximal degree in co-relation 1067. Up to 87 conditions per place. [2022-12-12 21:53:34,306 INFO L137 encePairwiseOnDemand]: 144/149 looper letters, 0 selfloop transitions, 0 changer transitions 43/43 dead transitions. [2022-12-12 21:53:34,306 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 43 transitions, 797 flow [2022-12-12 21:53:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 21:53:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 21:53:34,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 94 transitions. [2022-12-12 21:53:34,307 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.09012464046021093 [2022-12-12 21:53:34,308 INFO L295 CegarLoopForPetriNet]: 145 programPoint places, -74 predicate places. [2022-12-12 21:53:34,308 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 43 transitions, 797 flow [2022-12-12 21:53:34,308 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-12 21:53:34,309 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-12 21:53:34,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 21:53:34,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-12 21:53:34,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-12-12 21:53:34,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-12 21:53:34,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-12-12 21:53:34,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-12-12 21:53:34,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-12 21:53:34,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-12 21:53:34,312 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1] [2022-12-12 21:53:34,316 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 21:53:34,316 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 21:53:34,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 09:53:34 BasicIcfg [2022-12-12 21:53:34,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 21:53:34,319 INFO L158 Benchmark]: Toolchain (without parser) took 475773.57ms. Allocated memory was 190.8MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 155.4MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 394.7MB. Max. memory is 8.0GB. [2022-12-12 21:53:34,319 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory was 167.0MB in the beginning and 166.8MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 21:53:34,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6370.12ms. Allocated memory was 190.8MB in the beginning and 235.9MB in the end (delta: 45.1MB). Free memory was 155.4MB in the beginning and 121.7MB in the end (delta: 33.7MB). Peak memory consumption was 139.9MB. Max. memory is 8.0GB. [2022-12-12 21:53:34,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.29ms. Allocated memory is still 235.9MB. Free memory was 121.7MB in the beginning and 112.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-12 21:53:34,320 INFO L158 Benchmark]: Boogie Preprocessor took 70.39ms. Allocated memory is still 235.9MB. Free memory was 112.3MB in the beginning and 108.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-12 21:53:34,320 INFO L158 Benchmark]: RCFGBuilder took 889.16ms. Allocated memory is still 235.9MB. Free memory was 108.1MB in the beginning and 151.0MB in the end (delta: -42.9MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2022-12-12 21:53:34,321 INFO L158 Benchmark]: TraceAbstraction took 468295.36ms. Allocated memory was 235.9MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 149.9MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 343.1MB. Max. memory is 8.0GB. [2022-12-12 21:53:34,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory was 167.0MB in the beginning and 166.8MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6370.12ms. Allocated memory was 190.8MB in the beginning and 235.9MB in the end (delta: 45.1MB). Free memory was 155.4MB in the beginning and 121.7MB in the end (delta: 33.7MB). Peak memory consumption was 139.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 142.29ms. Allocated memory is still 235.9MB. Free memory was 121.7MB in the beginning and 112.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.39ms. Allocated memory is still 235.9MB. Free memory was 112.3MB in the beginning and 108.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 889.16ms. Allocated memory is still 235.9MB. Free memory was 108.1MB in the beginning and 151.0MB in the end (delta: -42.9MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. * TraceAbstraction took 468295.36ms. Allocated memory was 235.9MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 149.9MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 343.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 432.2s, 320 PlacesBefore, 145 PlacesAfterwards, 328 TransitionsBefore, 149 TransitionsAfterwards, 10680 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 119 ConcurrentYvCompositions, 13 ChoiceCompositions, 311 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33740, independent: 33574, independent conditional: 33574, independent unconditional: 0, dependent: 165, dependent conditional: 165, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 33740, independent: 33574, independent conditional: 0, independent unconditional: 33574, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33740, independent: 33574, independent conditional: 0, independent unconditional: 33574, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33740, independent: 33574, independent conditional: 0, independent unconditional: 33574, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11194, independent: 11141, independent conditional: 0, independent unconditional: 11141, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11194, independent: 11099, independent conditional: 0, independent unconditional: 11099, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 42, independent conditional: 0, independent unconditional: 42, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2378, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 192, dependent conditional: 0, dependent unconditional: 192, unknown: 2158, unknown conditional: 0, unknown unconditional: 2158] ], Cache Queries: [ total: 33740, independent: 22433, independent conditional: 0, independent unconditional: 22433, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 11194, unknown conditional: 0, unknown unconditional: 11194] , Statistics on independence cache: Total cache size (in pairs): 58900, Positive cache size: 58848, Positive conditional cache size: 0, Positive unconditional cache size: 58848, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, 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, 452 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.1s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 468.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 432.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1219 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1219 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2016 IncrementalHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 10 mSDtfsCounter, 2016 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1232occurred in iteration=5, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 5125 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 20.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 837 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! [2022-12-12 21:53:34,375 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...