/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:22:26,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:22:26,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:22:26,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:22:26,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:22:26,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:22:26,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:22:26,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:22:26,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:22:26,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:22:26,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:22:26,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:22:26,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:22:26,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:22:26,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:22:26,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:22:26,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:22:26,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:22:26,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:22:26,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:22:26,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:22:26,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:22:26,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:22:26,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:22:26,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:22:26,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:22:26,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:22:26,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:22:26,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:22:26,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:22:26,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:22:26,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:22:26,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:22:26,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:22:26,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:22:26,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:22:26,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:22:26,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:22:26,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:22:26,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:22:26,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:22:26,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 01:22:26,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:22:26,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:22:26,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:22:26,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:22:26,505 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:22:26,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:22:26,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:22:26,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:22:26,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:22:26,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:22:26,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:22:26,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:22:26,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:22:26,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:22:26,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:22:26,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:22:26,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:22:26,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:22:26,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:22:26,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:22:26,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:22:26,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:22:26,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:22:26,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:22:26,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:22:26,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:22:26,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:22:26,509 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:22:26,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:22:26,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:22:26,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:22:26,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:22:26,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:22:26,868 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:22:26,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-06 01:22:27,903 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:22:28,407 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:22:28,408 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-06 01:22:28,456 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63f05d6f/a73c47ad1659403b8de598bde51770b6/FLAGba88f4f9a [2022-12-06 01:22:28,479 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d63f05d6f/a73c47ad1659403b8de598bde51770b6 [2022-12-06 01:22:28,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:22:28,483 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:22:28,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:22:28,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:22:28,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:22:28,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:28" (1/1) ... [2022-12-06 01:22:28,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730759c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:28, skipping insertion in model container [2022-12-06 01:22:28,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:28" (1/1) ... [2022-12-06 01:22:28,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:22:28,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:22:28,915 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_unlocked_ioctl_write_nvram.i[5469,5482] [2022-12-06 01:22:29,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:29,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:29,619 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 01:22:29,624 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:29,627 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:29,632 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:29,697 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:22:29,702 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:22:29,775 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 01:22:29,925 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:22:29,933 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:22:29,980 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 01:22:29,985 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 01:22:30,222 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 01:22:30,225 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 01:22:30,227 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 01:22:30,290 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 01:22:30,290 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:22:30,292 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 01:22:30,292 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:22:30,428 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 01:22:30,460 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 01:22:30,653 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 01:22:30,660 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 01:22:30,773 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 01:22:30,897 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 01:22:30,897 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 01:22:30,897 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 01:22:31,996 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 01:22:31,997 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:32,001 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:32,007 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:32,063 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:32,453 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 01:22:32,459 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 01:22:32,464 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 01:22:32,472 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 01:22:32,472 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 01:22:32,474 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 01:22:32,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:22:32,509 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:22:32,527 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_unlocked_ioctl_write_nvram.i[5469,5482] [2022-12-06 01:22:32,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,546 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,549 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,550 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,551 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:32,552 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:32,561 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 01:22:32,562 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:32,562 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:32,562 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:32,566 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:22:32,566 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:22:32,569 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 01:22:32,581 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:22:32,582 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:22:32,584 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 01:22:32,584 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 01:22:32,591 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 01:22:32,592 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 01:22:32,592 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 01:22:32,595 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 01:22:32,595 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:22:32,596 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 01:22:32,596 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:22:32,606 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 01:22:32,608 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 01:22:32,612 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 01:22:32,613 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 01:22:32,616 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 01:22:32,620 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 01:22:32,620 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 01:22:32,620 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 01:22:32,694 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 01:22:32,695 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:32,697 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:32,704 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:32,707 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:32,782 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 01:22:32,784 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 01:22:32,784 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 01:22:32,785 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 01:22:32,786 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 01:22:32,786 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 01:22:32,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:22:33,183 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:22:33,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33 WrapperNode [2022-12-06 01:22:33,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:22:33,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:22:33,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:22:33,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:22:33,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,346 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-06 01:22:33,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:22:33,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:22:33,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:22:33,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:22:33,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,406 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:22:33,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:22:33,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:22:33,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:22:33,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (1/1) ... [2022-12-06 01:22:33,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:22:33,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:22:33,448 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) [2022-12-06 01:22:33,463 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 [2022-12-06 01:22:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 01:22:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 01:22:33,486 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 01:22:33,487 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 01:22:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:22:33,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:22:33,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:22:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 01:22:33,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:22:33,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:22:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:22:33,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:22:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:22:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 01:22:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2022-12-06 01:22:33,496 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2022-12-06 01:22:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:22:33,498 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:22:33,973 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:22:33,975 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:22:34,370 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:22:34,404 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:22:34,405 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-06 01:22:34,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:34 BoogieIcfgContainer [2022-12-06 01:22:34,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:22:34,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:22:34,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:22:34,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:22:34,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:22:28" (1/3) ... [2022-12-06 01:22:34,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1444ec32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:22:34, skipping insertion in model container [2022-12-06 01:22:34,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:33" (2/3) ... [2022-12-06 01:22:34,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1444ec32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:22:34, skipping insertion in model container [2022-12-06 01:22:34,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:34" (3/3) ... [2022-12-06 01:22:34,414 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-06 01:22:34,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:22:34,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 01:22:34,429 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:22:34,535 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 01:22:34,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 331 transitions, 678 flow [2022-12-06 01:22:34,686 INFO L130 PetriNetUnfolder]: 11/329 cut-off events. [2022-12-06 01:22:34,686 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 01:22:34,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 329 events. 11/329 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 310 event pairs, 0 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 274. Up to 4 conditions per place. [2022-12-06 01:22:34,699 INFO L82 GeneralOperation]: Start removeDead. Operand has 327 places, 331 transitions, 678 flow [2022-12-06 01:22:34,705 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 321 transitions, 651 flow [2022-12-06 01:22:34,706 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:22:34,720 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 321 transitions, 651 flow [2022-12-06 01:22:34,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 321 transitions, 651 flow [2022-12-06 01:22:34,804 INFO L130 PetriNetUnfolder]: 11/321 cut-off events. [2022-12-06 01:22:34,805 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 01:22:34,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 321 events. 11/321 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 291 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 274. Up to 4 conditions per place. [2022-12-06 01:22:34,814 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 321 transitions, 651 flow [2022-12-06 01:22:34,814 INFO L188 LiptonReduction]: Number of co-enabled transitions 9378 [2022-12-06 01:22:35,055 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:35,056 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:37,066 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:37,067 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:37,069 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:37,070 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:38,209 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:38,210 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:22:38,212 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:38,212 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:40,447 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:40,448 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:40,688 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:40,689 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-06 01:22:42,052 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:42,053 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:42,055 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:42,056 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:42,356 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:42,356 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:42,358 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:42,359 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:43,158 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:43,159 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:43,161 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:43,161 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:44,203 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:44,204 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:44,208 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:44,208 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:44,270 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:44,271 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-06 01:22:44,281 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:44,281 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-06 01:22:44,288 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:44,289 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 01:22:44,293 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:44,294 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-06 01:22:47,121 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:47,122 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:22:47,128 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:47,129 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 01:22:47,135 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:47,135 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2022-12-06 01:22:47,141 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:47,141 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 01:22:47,155 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:47,156 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 01:22:53,478 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:53,479 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:53,481 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:53,481 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:53,561 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:53,562 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:53,563 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:53,563 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:59,763 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:59,763 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:59,765 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:59,765 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:23:06,706 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:23:06,706 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:23:06,707 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:23:06,709 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:23:15,552 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:23:15,553 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:23:15,554 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:23:15,555 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:23:33,757 WARN L233 SmtUtils]: Spent 13.59s on a formula simplification that was a NOOP. DAG size: 401 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:23:41,462 WARN L233 SmtUtils]: Spent 7.69s on a formula simplification that was a NOOP. DAG size: 337 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:23:52,740 WARN L233 SmtUtils]: Spent 11.28s on a formula simplification that was a NOOP. DAG size: 401 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:24:03,362 WARN L233 SmtUtils]: Spent 10.61s on a formula simplification that was a NOOP. DAG size: 337 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:24:03,489 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:03,492 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2022-12-06 01:24:03,496 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:03,496 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2022-12-06 01:24:03,499 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:03,500 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2022-12-06 01:24:03,504 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:03,505 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2022-12-06 01:24:03,509 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:03,510 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2022-12-06 01:24:03,513 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:03,515 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2022-12-06 01:24:12,273 WARN L233 SmtUtils]: Spent 8.69s 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) [2022-12-06 01:24:20,925 WARN L233 SmtUtils]: Spent 8.65s 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) [2022-12-06 01:24:37,873 WARN L233 SmtUtils]: Spent 16.94s 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) [2022-12-06 01:24:54,482 WARN L233 SmtUtils]: Spent 16.61s 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) [2022-12-06 01:24:55,594 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:55,595 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:55,597 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:55,598 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:55,603 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:55,604 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:55,606 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:55,607 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:26:26,013 WARN L233 SmtUtils]: Spent 1.51m on a formula simplification. DAG size of input: 517 DAG size of output: 513 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:27:14,786 WARN L233 SmtUtils]: Spent 48.76s on a formula simplification that was a NOOP. DAG size: 501 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:28:51,529 WARN L233 SmtUtils]: Spent 1.61m on a formula simplification. DAG size of input: 529 DAG size of output: 523 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:29:52,941 WARN L233 SmtUtils]: Spent 1.02m on a formula simplification that was a NOOP. DAG size: 510 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:29:52,970 INFO L203 LiptonReduction]: Total number of compositions: 303 [2022-12-06 01:29:52,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:29:52,999 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ebb6813, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:29:52,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 01:29:53,007 INFO L130 PetriNetUnfolder]: 3/17 cut-off events. [2022-12-06 01:29:53,008 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 01:29:53,008 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:29:53,008 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 01:29:53,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:29:53,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:29:53,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1429647907, now seen corresponding path program 1 times [2022-12-06 01:29:53,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:29:53,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453886332] [2022-12-06 01:29:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:29:53,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:29:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:29:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:29:54,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:29:54,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453886332] [2022-12-06 01:29:54,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453886332] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:29:54,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:29:54,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:29:54,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962038679] [2022-12-06 01:29:54,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:29:54,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:29:54,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:29:54,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:29:54,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:29:54,088 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:29:54,089 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 49 flow. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:29:54,089 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:29:54,089 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:29:54,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:29:54,478 INFO L130 PetriNetUnfolder]: 177/312 cut-off events. [2022-12-06 01:29:54,478 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-06 01:29:54,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 658 conditions, 312 events. 177/312 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1141 event pairs, 83 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 548. Up to 240 conditions per place. [2022-12-06 01:29:54,482 INFO L137 encePairwiseOnDemand]: 12/20 looper letters, 16 selfloop transitions, 6 changer transitions 9/31 dead transitions. [2022-12-06 01:29:54,482 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 31 transitions, 139 flow [2022-12-06 01:29:54,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:29:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:29:54,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2022-12-06 01:29:54,493 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2022-12-06 01:29:54,498 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 2 predicate places. [2022-12-06 01:29:54,499 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:29:54,499 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 31 transitions, 139 flow [2022-12-06 01:29:54,513 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 31 transitions, 139 flow [2022-12-06 01:29:54,513 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:29:54,514 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:29:54,515 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 17 [2022-12-06 01:29:54,515 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 31 transitions, 139 flow [2022-12-06 01:29:54,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:29:54,515 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:29:54,516 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:29:54,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:29:54,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:29:54,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:29:54,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1369411762, now seen corresponding path program 1 times [2022-12-06 01:29:54,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:29:54,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227855104] [2022-12-06 01:29:54,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:29:54,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:29:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:29:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:29:55,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:29:55,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227855104] [2022-12-06 01:29:55,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227855104] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:29:55,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:29:55,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:29:55,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267199585] [2022-12-06 01:29:55,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:29:55,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:29:55,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:29:55,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:29:55,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:29:55,298 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:29:55,298 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 31 transitions, 139 flow. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:29:55,298 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:29:55,298 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:29:55,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:29:55,776 INFO L130 PetriNetUnfolder]: 178/317 cut-off events. [2022-12-06 01:29:55,776 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-12-06 01:29:55,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 988 conditions, 317 events. 178/317 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1319 event pairs, 9 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 799. Up to 245 conditions per place. [2022-12-06 01:29:55,778 INFO L137 encePairwiseOnDemand]: 10/20 looper letters, 19 selfloop transitions, 9 changer transitions 19/47 dead transitions. [2022-12-06 01:29:55,778 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 47 transitions, 306 flow [2022-12-06 01:29:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:29:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:29:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-12-06 01:29:55,781 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4 [2022-12-06 01:29:55,782 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 6 predicate places. [2022-12-06 01:29:55,782 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:29:55,783 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 47 transitions, 306 flow [2022-12-06 01:29:55,784 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 47 transitions, 306 flow [2022-12-06 01:29:55,784 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:29:55,786 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:29:55,786 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4 [2022-12-06 01:29:55,786 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 47 transitions, 306 flow [2022-12-06 01:29:55,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:29:55,787 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:29:55,787 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:29:55,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:29:55,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:29:55,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:29:55,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1659951107, now seen corresponding path program 1 times [2022-12-06 01:29:55,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:29:55,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661773587] [2022-12-06 01:29:55,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:29:55,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:29:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:29:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:29:56,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:29:56,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661773587] [2022-12-06 01:29:56,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661773587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:29:56,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:29:56,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:29:56,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948036249] [2022-12-06 01:29:56,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:29:56,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:29:56,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:29:56,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:29:56,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:29:56,544 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:29:56,544 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 47 transitions, 306 flow. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-06 01:29:56,544 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:29:56,545 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:29:56,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:29:57,097 INFO L130 PetriNetUnfolder]: 190/353 cut-off events. [2022-12-06 01:29:57,097 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2022-12-06 01:29:57,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1454 conditions, 353 events. 190/353 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1561 event pairs, 19 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 1156. Up to 273 conditions per place. [2022-12-06 01:29:57,099 INFO L137 encePairwiseOnDemand]: 13/20 looper letters, 11 selfloop transitions, 4 changer transitions 38/53 dead transitions. [2022-12-06 01:29:57,099 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 53 transitions, 451 flow [2022-12-06 01:29:57,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:29:57,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:29:57,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2022-12-06 01:29:57,101 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4 [2022-12-06 01:29:57,102 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 10 predicate places. [2022-12-06 01:29:57,102 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:29:57,102 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 53 transitions, 451 flow [2022-12-06 01:29:57,104 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 53 transitions, 451 flow [2022-12-06 01:29:57,105 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:29:57,105 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:29:57,106 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4 [2022-12-06 01:29:57,106 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 53 transitions, 451 flow [2022-12-06 01:29:57,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-06 01:29:57,107 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:29:57,107 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:29:57,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:29:57,107 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:29:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:29:57,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1744991171, now seen corresponding path program 2 times [2022-12-06 01:29:57,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:29:57,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337137853] [2022-12-06 01:29:57,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:29:57,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:29:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:30:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:30:07,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:30:07,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337137853] [2022-12-06 01:30:07,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337137853] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:30:07,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:30:07,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:30:07,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963441843] [2022-12-06 01:30:07,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:30:07,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 01:30:07,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:30:07,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 01:30:07,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-06 01:30:07,297 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-06 01:30:07,298 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 53 transitions, 451 flow. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-12-06 01:30:07,298 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:30:07,298 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-06 01:30:07,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:30:07,785 INFO L130 PetriNetUnfolder]: 186/357 cut-off events. [2022-12-06 01:30:07,785 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2022-12-06 01:30:07,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1832 conditions, 357 events. 186/357 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1600 event pairs, 9 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 1401. Up to 277 conditions per place. [2022-12-06 01:30:07,786 INFO L137 encePairwiseOnDemand]: 15/20 looper letters, 0 selfloop transitions, 0 changer transitions 57/57 dead transitions. [2022-12-06 01:30:07,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 57 transitions, 600 flow [2022-12-06 01:30:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:30:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:30:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2022-12-06 01:30:07,789 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.38 [2022-12-06 01:30:07,790 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 13 predicate places. [2022-12-06 01:30:07,790 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:30:07,790 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 57 transitions, 600 flow [2022-12-06 01:30:07,793 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 57 transitions, 600 flow [2022-12-06 01:30:07,793 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:30:07,794 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:30:07,798 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 8 [2022-12-06 01:30:07,798 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 57 transitions, 600 flow [2022-12-06 01:30:07,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-12-06 01:30:07,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 01:30:07,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 01:30:07,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 01:30:07,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 01:30:07,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 01:30:07,801 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-12-06 01:30:07,807 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:30:07,808 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:30:07,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:30:07 BasicIcfg [2022-12-06 01:30:07,812 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:30:07,813 INFO L158 Benchmark]: Toolchain (without parser) took 459330.24ms. Allocated memory was 179.3MB in the beginning and 633.3MB in the end (delta: 454.0MB). Free memory was 133.8MB in the beginning and 481.4MB in the end (delta: -347.6MB). Peak memory consumption was 107.4MB. Max. memory is 8.0GB. [2022-12-06 01:30:07,813 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 179.3MB. Free memory was 156.2MB in the beginning and 156.1MB in the end (delta: 66.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:30:07,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4698.22ms. Allocated memory was 179.3MB in the beginning and 257.9MB in the end (delta: 78.6MB). Free memory was 133.3MB in the beginning and 118.8MB in the end (delta: 14.5MB). Peak memory consumption was 122.5MB. Max. memory is 8.0GB. [2022-12-06 01:30:07,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.75ms. Allocated memory is still 257.9MB. Free memory was 118.8MB in the beginning and 198.0MB in the end (delta: -79.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-06 01:30:07,814 INFO L158 Benchmark]: Boogie Preprocessor took 66.69ms. Allocated memory is still 257.9MB. Free memory was 198.0MB in the beginning and 193.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-06 01:30:07,815 INFO L158 Benchmark]: RCFGBuilder took 992.76ms. Allocated memory is still 257.9MB. Free memory was 193.8MB in the beginning and 151.3MB in the end (delta: 42.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2022-12-06 01:30:07,816 INFO L158 Benchmark]: TraceAbstraction took 453402.70ms. Allocated memory was 257.9MB in the beginning and 633.3MB in the end (delta: 375.4MB). Free memory was 150.8MB in the beginning and 481.4MB in the end (delta: -330.6MB). Peak memory consumption was 44.8MB. Max. memory is 8.0GB. [2022-12-06 01:30:07,818 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 179.3MB. Free memory was 156.2MB in the beginning and 156.1MB in the end (delta: 66.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4698.22ms. Allocated memory was 179.3MB in the beginning and 257.9MB in the end (delta: 78.6MB). Free memory was 133.3MB in the beginning and 118.8MB in the end (delta: 14.5MB). Peak memory consumption was 122.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 161.75ms. Allocated memory is still 257.9MB. Free memory was 118.8MB in the beginning and 198.0MB in the end (delta: -79.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.69ms. Allocated memory is still 257.9MB. Free memory was 198.0MB in the beginning and 193.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 992.76ms. Allocated memory is still 257.9MB. Free memory was 193.8MB in the beginning and 151.3MB in the end (delta: 42.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 453402.70ms. Allocated memory was 257.9MB in the beginning and 633.3MB in the end (delta: 375.4MB). Free memory was 150.8MB in the beginning and 481.4MB in the end (delta: -330.6MB). Peak memory consumption was 44.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 438.2s, 317 PlacesBefore, 24 PlacesAfterwards, 321 TransitionsBefore, 20 TransitionsAfterwards, 9378 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 121 ConcurrentYvCompositions, 6 ChoiceCompositions, 303 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5943, independent: 5898, independent conditional: 5898, independent unconditional: 0, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5943, independent: 5898, independent conditional: 0, independent unconditional: 5898, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5943, independent: 5898, independent conditional: 0, independent unconditional: 5898, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5943, independent: 5898, independent conditional: 0, independent unconditional: 5898, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5195, independent: 5169, independent conditional: 0, independent unconditional: 5169, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5195, independent: 5167, independent conditional: 0, independent unconditional: 5167, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2279, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 2166, unknown conditional: 0, unknown unconditional: 2166] ], Cache Queries: [ total: 5943, independent: 729, independent conditional: 0, independent unconditional: 729, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 5198, unknown conditional: 0, unknown unconditional: 5198] , Statistics on independence cache: Total cache size (in pairs): 11325, Positive cache size: 11301, Positive conditional cache size: 0, Positive unconditional cache size: 11301, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 26 PlacesBefore, 26 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 30 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 34 PlacesBefore, 34 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 37 PlacesBefore, 37 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 446 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 453.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 438.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 350 IncrementalHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 0 mSDtfsCounter, 350 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=600occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:30:07,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...