/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:29:14,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:29:14,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:29:14,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:29:14,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:29:14,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:29:14,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:29:14,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:29:14,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:29:14,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:29:14,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:29:14,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:29:14,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:29:14,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:29:14,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:29:14,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:29:14,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:29:14,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:29:14,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:29:14,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:29:14,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:29:14,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:29:14,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:29:14,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:29:14,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:29:14,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:29:14,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:29:14,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:29:14,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:29:14,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:29:14,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:29:14,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:29:14,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:29:14,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:29:14,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:29:14,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:29:14,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:29:14,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:29:14,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:29:14,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:29:14,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:29:14,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-05 20:29:14,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:29:14,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:29:14,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:29:14,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:29:14,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:29:14,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:29:14,497 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:29:14,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:29:14,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:29:14,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:29:14,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:29:14,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:29:14,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:29:14,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:29:14,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:29:14,499 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:29:14,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:29:14,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:29:14,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:29:14,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:29:14,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:29:14,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:29:14,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:29:14,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:29:14,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:29:14,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:29:14,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:29:14,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:29:14,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:29:14,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:29:14,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:29:14,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:29:14,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:29:14,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:29:14,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:29:14,827 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:29:14,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-05 20:29:15,948 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:29:16,451 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:29:16,451 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-05 20:29:16,493 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e91202b/51a111ca7b0e4057b21a7f545746d638/FLAGb437adb06 [2022-12-05 20:29:16,512 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57e91202b/51a111ca7b0e4057b21a7f545746d638 [2022-12-05 20:29:16,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:29:16,515 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:29:16,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:29:16,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:29:16,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:29:16,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:29:16" (1/1) ... [2022-12-05 20:29:16,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e6c688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:16, skipping insertion in model container [2022-12-05 20:29:16,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:29:16" (1/1) ... [2022-12-05 20:29:16,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:29:16,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:29:16,941 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2022-12-05 20:29:17,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,431 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,440 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,448 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,452 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,459 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:17,460 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:17,824 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:29:17,828 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:17,831 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:17,841 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:17,941 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:29:17,946 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:29:18,050 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:29:18,205 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:29:18,213 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:29:18,254 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:29:18,258 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:29:18,439 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:29:18,442 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:29:18,444 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:29:18,512 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:29:18,512 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:29:18,514 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:29:18,514 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:29:18,683 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:29:18,732 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:29:18,852 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:29:18,856 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:29:19,066 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:29:19,203 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:29:19,204 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:29:19,204 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:29:20,278 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:29:20,279 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:20,284 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:20,287 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:20,290 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:20,642 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 20:29:20,647 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 20:29:20,650 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 20:29:20,657 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 20:29:20,658 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 20:29:20,660 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 20:29:20,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:29:20,697 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:29:20,710 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_write_nvram.i[5469,5482] [2022-12-05 20:29:20,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,720 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,721 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,725 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,725 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,725 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,725 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,726 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,726 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,726 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,726 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:20,727 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:20,738 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:29:20,739 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:20,739 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:20,740 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:20,746 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:29:20,746 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:29:20,748 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:29:20,758 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:29:20,758 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:29:20,763 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:29:20,763 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:29:20,771 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:29:20,771 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:29:20,771 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:29:20,780 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:29:20,781 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:29:20,781 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:29:20,781 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:29:20,791 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:29:20,793 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:29:20,798 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:29:20,799 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:29:20,802 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:29:20,806 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:29:20,806 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:29:20,806 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:29:20,882 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:29:20,883 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:20,886 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:20,895 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:20,898 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:20,974 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 20:29:20,975 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 20:29:20,976 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 20:29:20,978 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 20:29:20,978 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 20:29:20,978 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 20:29:20,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:29:21,426 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:29:21,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21 WrapperNode [2022-12-05 20:29:21,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:29:21,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:29:21,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:29:21,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:29:21,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,585 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 15, statements flattened = 314 [2022-12-05 20:29:21,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:29:21,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:29:21,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:29:21,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:29:21,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,648 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:29:21,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:29:21,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:29:21,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:29:21,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (1/1) ... [2022-12-05 20:29:21,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:29:21,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:29:21,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 20:29:21,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 20:29:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:29:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 20:29:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:29:21,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:29:21,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:29:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 20:29:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:29:21,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:29:21,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:29:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 20:29:21,741 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2022-12-05 20:29:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2022-12-05 20:29:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:29:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-05 20:29:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-05 20:29:21,743 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:29:22,247 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:29:22,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:29:22,669 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:29:22,678 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:29:22,678 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-05 20:29:22,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:29:22 BoogieIcfgContainer [2022-12-05 20:29:22,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:29:22,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:29:22,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:29:22,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:29:22,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:29:16" (1/3) ... [2022-12-05 20:29:22,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9bf8ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:29:22, skipping insertion in model container [2022-12-05 20:29:22,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:21" (2/3) ... [2022-12-05 20:29:22,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9bf8ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:29:22, skipping insertion in model container [2022-12-05 20:29:22,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:29:22" (3/3) ... [2022-12-05 20:29:22,688 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_write_nvram.i [2022-12-05 20:29:22,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:29:22,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 20:29:22,704 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:29:22,799 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 20:29:22,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 330 places, 338 transitions, 692 flow [2022-12-05 20:29:22,971 INFO L130 PetriNetUnfolder]: 15/336 cut-off events. [2022-12-05 20:29:22,971 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:29:22,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 336 events. 15/336 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 320 event pairs, 0 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 274. Up to 5 conditions per place. [2022-12-05 20:29:22,981 INFO L82 GeneralOperation]: Start removeDead. Operand has 330 places, 338 transitions, 692 flow [2022-12-05 20:29:22,993 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 320 places, 328 transitions, 665 flow [2022-12-05 20:29:22,994 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:29:23,015 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 328 transitions, 665 flow [2022-12-05 20:29:23,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 328 transitions, 665 flow [2022-12-05 20:29:23,102 INFO L130 PetriNetUnfolder]: 15/328 cut-off events. [2022-12-05 20:29:23,103 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:29:23,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 336 conditions, 328 events. 15/328 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 304 event pairs, 0 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 274. Up to 5 conditions per place. [2022-12-05 20:29:23,117 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 328 transitions, 665 flow [2022-12-05 20:29:23,117 INFO L188 LiptonReduction]: Number of co-enabled transitions 10680 [2022-12-05 20:29:24,940 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:24,941 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:28,399 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:28,400 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:28,767 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:28,768 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:29,488 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:29,489 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:29:29,491 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:29,492 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:30,533 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:30,534 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:30,536 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:30,539 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:30,676 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:30,677 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:30,679 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:30,679 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:32,393 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:32,394 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:32,396 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:32,396 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:32,809 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:32,810 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:32,811 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:32,819 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:34,168 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:34,169 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:29:34,172 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:34,172 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:29:34,175 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:34,175 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-05 20:29:34,178 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:34,183 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 20:29:34,189 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:34,190 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:34,573 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:34,574 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:34,577 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:34,578 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:34,584 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:34,584 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:34,587 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:34,589 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:41,871 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:41,872 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:41,875 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:41,876 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:41,880 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:41,881 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:41,883 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:41,883 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:48,545 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:48,547 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:48,549 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:48,549 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:48,586 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:48,587 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:48,589 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:48,590 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:01,657 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:01,658 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:01,661 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:01,661 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:01,666 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:01,667 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:01,670 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:01,670 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:15,612 WARN L233 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:30:24,968 WARN L233 SmtUtils]: Spent 9.35s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:30:33,273 WARN L233 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:30:39,891 WARN L233 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:30:41,124 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:41,125 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2022-12-05 20:30:41,129 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:41,129 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2022-12-05 20:30:41,133 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:41,134 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2022-12-05 20:30:41,137 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:41,138 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2022-12-05 20:30:41,141 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:41,146 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 273 [2022-12-05 20:30:41,150 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:41,151 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2022-12-05 20:30:50,656 WARN L233 SmtUtils]: Spent 9.41s 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) [2022-12-05 20:31:00,006 WARN L233 SmtUtils]: Spent 9.35s 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) [2022-12-05 20:31:16,685 WARN L233 SmtUtils]: Spent 16.67s 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) [2022-12-05 20:31:34,281 WARN L233 SmtUtils]: Spent 17.59s 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) [2022-12-05 20:31:36,026 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:31:36,026 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:31:36,029 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:31:36,029 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:31:36,035 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:31:36,036 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:31:36,038 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:31:36,039 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:33:04,470 WARN L233 SmtUtils]: Spent 1.47m on a formula simplification. DAG size of input: 522 DAG size of output: 515 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:33:59,123 WARN L233 SmtUtils]: Spent 54.65s on a formula simplification that was a NOOP. DAG size: 503 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:35:35,499 WARN L233 SmtUtils]: Spent 1.61m on a formula simplification. DAG size of input: 534 DAG size of output: 525 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:36:06,960 WARN L233 SmtUtils]: Spent 31.45s on a formula simplification that was a NOOP. DAG size: 512 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:36:06,969 INFO L203 LiptonReduction]: Total number of compositions: 307 [2022-12-05 20:36:06,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:36:06,986 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4180957b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:36:06,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-05 20:36:06,996 INFO L130 PetriNetUnfolder]: 5/27 cut-off events. [2022-12-05 20:36:06,996 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:36:06,997 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:06,997 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 20:36:06,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:07,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:07,002 INFO L85 PathProgramCache]: Analyzing trace with hash 242384242, now seen corresponding path program 1 times [2022-12-05 20:36:07,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:07,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531080874] [2022-12-05 20:36:07,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:07,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:07,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:07,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531080874] [2022-12-05 20:36:07,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531080874] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:07,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:07,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:36:07,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445743174] [2022-12-05 20:36:07,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:07,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:36:07,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:07,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:36:07,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:36:07,938 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:07,939 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 77 flow. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-12-05 20:36:07,939 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:07,939 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:07,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:08,536 INFO L130 PetriNetUnfolder]: 453/728 cut-off events. [2022-12-05 20:36:08,536 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-12-05 20:36:08,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1498 conditions, 728 events. 453/728 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2923 event pairs, 231 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 1354. Up to 549 conditions per place. [2022-12-05 20:36:08,540 INFO L137 encePairwiseOnDemand]: 26/34 looper letters, 36 selfloop transitions, 5 changer transitions 5/47 dead transitions. [2022-12-05 20:36:08,540 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 47 transitions, 201 flow [2022-12-05 20:36:08,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:36:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:36:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2022-12-05 20:36:08,552 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5196078431372549 [2022-12-05 20:36:08,554 INFO L175 Difference]: Start difference. First operand has 34 places, 34 transitions, 77 flow. Second operand 3 states and 53 transitions. [2022-12-05 20:36:08,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 47 transitions, 201 flow [2022-12-05 20:36:08,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 47 transitions, 193 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:36:08,561 INFO L231 Difference]: Finished difference. Result has 33 places, 36 transitions, 106 flow [2022-12-05 20:36:08,562 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=33, PETRI_TRANSITIONS=36} [2022-12-05 20:36:08,566 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, -1 predicate places. [2022-12-05 20:36:08,566 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 36 transitions, 106 flow [2022-12-05 20:36:08,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-12-05 20:36:08,566 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:08,566 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:36:08,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:36:08,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:08,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:08,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1081598186, now seen corresponding path program 1 times [2022-12-05 20:36:08,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:08,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174512619] [2022-12-05 20:36:08,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:08,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:09,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:09,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:09,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174512619] [2022-12-05 20:36:09,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174512619] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:09,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:09,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:36:09,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192612735] [2022-12-05 20:36:09,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:09,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:36:09,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:09,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:36:09,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:36:09,195 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:09,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 36 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:09,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:09,196 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:09,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:09,649 INFO L130 PetriNetUnfolder]: 470/802 cut-off events. [2022-12-05 20:36:09,650 INFO L131 PetriNetUnfolder]: For 160/160 co-relation queries the response was YES. [2022-12-05 20:36:09,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1853 conditions, 802 events. 470/802 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3488 event pairs, 209 based on Foata normal form. 0/483 useless extension candidates. Maximal degree in co-relation 1037. Up to 445 conditions per place. [2022-12-05 20:36:09,653 INFO L137 encePairwiseOnDemand]: 30/34 looper letters, 27 selfloop transitions, 3 changer transitions 29/60 dead transitions. [2022-12-05 20:36:09,653 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 60 transitions, 291 flow [2022-12-05 20:36:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:36:09,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:36:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 57 transitions. [2022-12-05 20:36:09,654 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5588235294117647 [2022-12-05 20:36:09,655 INFO L175 Difference]: Start difference. First operand has 33 places, 36 transitions, 106 flow. Second operand 3 states and 57 transitions. [2022-12-05 20:36:09,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 60 transitions, 291 flow [2022-12-05 20:36:09,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 60 transitions, 275 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 20:36:09,659 INFO L231 Difference]: Finished difference. Result has 35 places, 26 transitions, 92 flow [2022-12-05 20:36:09,659 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=35, PETRI_TRANSITIONS=26} [2022-12-05 20:36:09,660 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places. [2022-12-05 20:36:09,660 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 26 transitions, 92 flow [2022-12-05 20:36:09,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:09,660 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:09,660 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:36:09,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:36:09,660 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:09,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:09,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1076020527, now seen corresponding path program 1 times [2022-12-05 20:36:09,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:09,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495069426] [2022-12-05 20:36:09,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:09,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:10,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:10,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495069426] [2022-12-05 20:36:10,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495069426] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:10,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:10,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 20:36:10,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741584080] [2022-12-05 20:36:10,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:10,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 20:36:10,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:10,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 20:36:10,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 20:36:10,268 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:10,269 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 92 flow. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:10,269 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:10,269 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:10,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:10,801 INFO L130 PetriNetUnfolder]: 200/396 cut-off events. [2022-12-05 20:36:10,801 INFO L131 PetriNetUnfolder]: For 167/167 co-relation queries the response was YES. [2022-12-05 20:36:10,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 992 conditions, 396 events. 200/396 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1825 event pairs, 34 based on Foata normal form. 9/321 useless extension candidates. Maximal degree in co-relation 765. Up to 186 conditions per place. [2022-12-05 20:36:10,803 INFO L137 encePairwiseOnDemand]: 29/34 looper letters, 26 selfloop transitions, 6 changer transitions 13/46 dead transitions. [2022-12-05 20:36:10,803 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 46 transitions, 243 flow [2022-12-05 20:36:10,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 20:36:10,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 20:36:10,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2022-12-05 20:36:10,804 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.28823529411764703 [2022-12-05 20:36:10,805 INFO L175 Difference]: Start difference. First operand has 35 places, 26 transitions, 92 flow. Second operand 5 states and 49 transitions. [2022-12-05 20:36:10,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 46 transitions, 243 flow [2022-12-05 20:36:10,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 46 transitions, 233 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 20:36:10,807 INFO L231 Difference]: Finished difference. Result has 33 places, 25 transitions, 108 flow [2022-12-05 20:36:10,807 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=108, PETRI_PLACES=33, PETRI_TRANSITIONS=25} [2022-12-05 20:36:10,808 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, -1 predicate places. [2022-12-05 20:36:10,808 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 25 transitions, 108 flow [2022-12-05 20:36:10,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:10,808 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:10,808 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:36:10,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 20:36:10,808 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:10,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash -934597992, now seen corresponding path program 1 times [2022-12-05 20:36:10,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:10,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725944825] [2022-12-05 20:36:10,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:10,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:11,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:11,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725944825] [2022-12-05 20:36:11,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725944825] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:11,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:11,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 20:36:11,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412858770] [2022-12-05 20:36:11,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:11,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 20:36:11,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:11,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 20:36:11,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-05 20:36:11,784 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:11,784 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 25 transitions, 108 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:11,784 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:11,784 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:11,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:12,778 INFO L130 PetriNetUnfolder]: 238/508 cut-off events. [2022-12-05 20:36:12,778 INFO L131 PetriNetUnfolder]: For 369/369 co-relation queries the response was YES. [2022-12-05 20:36:12,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 508 events. 238/508 cut-off events. For 369/369 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2585 event pairs, 32 based on Foata normal form. 8/444 useless extension candidates. Maximal degree in co-relation 567. Up to 156 conditions per place. [2022-12-05 20:36:12,780 INFO L137 encePairwiseOnDemand]: 27/34 looper letters, 34 selfloop transitions, 10 changer transitions 18/63 dead transitions. [2022-12-05 20:36:12,780 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 63 transitions, 364 flow [2022-12-05 20:36:12,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 20:36:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 20:36:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 68 transitions. [2022-12-05 20:36:12,783 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.25 [2022-12-05 20:36:12,783 INFO L175 Difference]: Start difference. First operand has 33 places, 25 transitions, 108 flow. Second operand 8 states and 68 transitions. [2022-12-05 20:36:12,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 63 transitions, 364 flow [2022-12-05 20:36:12,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 63 transitions, 350 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:36:12,787 INFO L231 Difference]: Finished difference. Result has 39 places, 29 transitions, 150 flow [2022-12-05 20:36:12,787 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=150, PETRI_PLACES=39, PETRI_TRANSITIONS=29} [2022-12-05 20:36:12,788 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 5 predicate places. [2022-12-05 20:36:12,789 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 150 flow [2022-12-05 20:36:12,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:12,789 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:12,789 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:36:12,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 20:36:12,790 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:12,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:12,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1496305192, now seen corresponding path program 2 times [2022-12-05 20:36:12,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:12,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626603120] [2022-12-05 20:36:12,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:12,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:17,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:17,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626603120] [2022-12-05 20:36:17,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626603120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:17,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:17,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 20:36:17,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084592489] [2022-12-05 20:36:17,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:17,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 20:36:17,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:17,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 20:36:17,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-05 20:36:17,584 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:17,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 150 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:17,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:17,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:17,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:18,293 INFO L130 PetriNetUnfolder]: 236/504 cut-off events. [2022-12-05 20:36:18,293 INFO L131 PetriNetUnfolder]: For 535/535 co-relation queries the response was YES. [2022-12-05 20:36:18,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1427 conditions, 504 events. 236/504 cut-off events. For 535/535 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2644 event pairs, 38 based on Foata normal form. 8/440 useless extension candidates. Maximal degree in co-relation 1231. Up to 226 conditions per place. [2022-12-05 20:36:18,295 INFO L137 encePairwiseOnDemand]: 27/34 looper letters, 24 selfloop transitions, 9 changer transitions 18/52 dead transitions. [2022-12-05 20:36:18,295 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 52 transitions, 332 flow [2022-12-05 20:36:18,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:36:18,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:36:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 53 transitions. [2022-12-05 20:36:18,296 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.25980392156862747 [2022-12-05 20:36:18,297 INFO L175 Difference]: Start difference. First operand has 39 places, 29 transitions, 150 flow. Second operand 6 states and 53 transitions. [2022-12-05 20:36:18,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 52 transitions, 332 flow [2022-12-05 20:36:18,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 52 transitions, 326 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-05 20:36:18,299 INFO L231 Difference]: Finished difference. Result has 43 places, 28 transitions, 160 flow [2022-12-05 20:36:18,300 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=160, PETRI_PLACES=43, PETRI_TRANSITIONS=28} [2022-12-05 20:36:18,300 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 9 predicate places. [2022-12-05 20:36:18,300 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 28 transitions, 160 flow [2022-12-05 20:36:18,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:18,301 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:18,301 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:36:18,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 20:36:18,301 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:18,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:18,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1944539242, now seen corresponding path program 1 times [2022-12-05 20:36:18,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:18,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026638417] [2022-12-05 20:36:18,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:18,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:25,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:25,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:25,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026638417] [2022-12-05 20:36:25,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026638417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:25,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:25,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 20:36:25,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389593089] [2022-12-05 20:36:25,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:25,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 20:36:25,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:25,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 20:36:25,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-05 20:36:25,025 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:25,025 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 28 transitions, 160 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:25,025 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:25,026 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:25,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:25,949 INFO L130 PetriNetUnfolder]: 198/418 cut-off events. [2022-12-05 20:36:25,949 INFO L131 PetriNetUnfolder]: For 529/529 co-relation queries the response was YES. [2022-12-05 20:36:25,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1235 conditions, 418 events. 198/418 cut-off events. For 529/529 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1996 event pairs, 29 based on Foata normal form. 8/366 useless extension candidates. Maximal degree in co-relation 1165. Up to 178 conditions per place. [2022-12-05 20:36:25,951 INFO L137 encePairwiseOnDemand]: 28/34 looper letters, 30 selfloop transitions, 10 changer transitions 20/61 dead transitions. [2022-12-05 20:36:25,951 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 61 transitions, 384 flow [2022-12-05 20:36:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 20:36:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 20:36:25,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 65 transitions. [2022-12-05 20:36:25,953 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.23897058823529413 [2022-12-05 20:36:25,953 INFO L175 Difference]: Start difference. First operand has 43 places, 28 transitions, 160 flow. Second operand 8 states and 65 transitions. [2022-12-05 20:36:25,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 61 transitions, 384 flow [2022-12-05 20:36:25,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 61 transitions, 362 flow, removed 1 selfloop flow, removed 5 redundant places. [2022-12-05 20:36:25,956 INFO L231 Difference]: Finished difference. Result has 46 places, 30 transitions, 178 flow [2022-12-05 20:36:25,956 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=178, PETRI_PLACES=46, PETRI_TRANSITIONS=30} [2022-12-05 20:36:25,958 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 12 predicate places. [2022-12-05 20:36:25,959 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 30 transitions, 178 flow [2022-12-05 20:36:25,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:25,959 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:25,959 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:36:25,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 20:36:25,959 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:25,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:25,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1944700984, now seen corresponding path program 3 times [2022-12-05 20:36:25,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:25,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767560303] [2022-12-05 20:36:25,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:25,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:26,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:26,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767560303] [2022-12-05 20:36:26,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767560303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:26,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:26,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 20:36:26,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312539882] [2022-12-05 20:36:26,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:26,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 20:36:26,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:26,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 20:36:26,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-05 20:36:26,840 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:26,841 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 30 transitions, 178 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:26,841 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:26,841 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:26,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:27,642 INFO L130 PetriNetUnfolder]: 158/362 cut-off events. [2022-12-05 20:36:27,643 INFO L131 PetriNetUnfolder]: For 568/568 co-relation queries the response was YES. [2022-12-05 20:36:27,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1087 conditions, 362 events. 158/362 cut-off events. For 568/568 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1752 event pairs, 33 based on Foata normal form. 8/322 useless extension candidates. Maximal degree in co-relation 715. Up to 97 conditions per place. [2022-12-05 20:36:27,644 INFO L137 encePairwiseOnDemand]: 28/34 looper letters, 23 selfloop transitions, 8 changer transitions 27/58 dead transitions. [2022-12-05 20:36:27,644 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 58 transitions, 367 flow [2022-12-05 20:36:27,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-05 20:36:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-05 20:36:27,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 62 transitions. [2022-12-05 20:36:27,647 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2605042016806723 [2022-12-05 20:36:27,647 INFO L175 Difference]: Start difference. First operand has 46 places, 30 transitions, 178 flow. Second operand 7 states and 62 transitions. [2022-12-05 20:36:27,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 58 transitions, 367 flow [2022-12-05 20:36:27,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 58 transitions, 357 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-12-05 20:36:27,650 INFO L231 Difference]: Finished difference. Result has 50 places, 27 transitions, 160 flow [2022-12-05 20:36:27,650 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=160, PETRI_PLACES=50, PETRI_TRANSITIONS=27} [2022-12-05 20:36:27,651 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 16 predicate places. [2022-12-05 20:36:27,651 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 27 transitions, 160 flow [2022-12-05 20:36:27,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:27,651 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:27,652 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:36:27,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 20:36:27,652 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:27,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash -934759734, now seen corresponding path program 2 times [2022-12-05 20:36:27,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:27,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498271860] [2022-12-05 20:36:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:32,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:32,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498271860] [2022-12-05 20:36:32,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498271860] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:32,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:32,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 20:36:32,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381107194] [2022-12-05 20:36:32,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:32,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 20:36:32,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:32,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 20:36:32,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-05 20:36:32,841 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:32,841 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 27 transitions, 160 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:32,841 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:32,842 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:32,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:33,640 INFO L130 PetriNetUnfolder]: 183/391 cut-off events. [2022-12-05 20:36:33,640 INFO L131 PetriNetUnfolder]: For 599/599 co-relation queries the response was YES. [2022-12-05 20:36:33,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 391 events. 183/391 cut-off events. For 599/599 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1792 event pairs, 40 based on Foata normal form. 8/341 useless extension candidates. Maximal degree in co-relation 1114. Up to 100 conditions per place. [2022-12-05 20:36:33,642 INFO L137 encePairwiseOnDemand]: 28/34 looper letters, 24 selfloop transitions, 7 changer transitions 30/61 dead transitions. [2022-12-05 20:36:33,642 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 61 transitions, 378 flow [2022-12-05 20:36:33,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-05 20:36:33,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-05 20:36:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 67 transitions. [2022-12-05 20:36:33,644 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.24632352941176472 [2022-12-05 20:36:33,644 INFO L175 Difference]: Start difference. First operand has 50 places, 27 transitions, 160 flow. Second operand 8 states and 67 transitions. [2022-12-05 20:36:33,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 61 transitions, 378 flow [2022-12-05 20:36:33,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 61 transitions, 361 flow, removed 4 selfloop flow, removed 4 redundant places. [2022-12-05 20:36:33,646 INFO L231 Difference]: Finished difference. Result has 51 places, 25 transitions, 143 flow [2022-12-05 20:36:33,647 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=143, PETRI_PLACES=51, PETRI_TRANSITIONS=25} [2022-12-05 20:36:33,649 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 17 predicate places. [2022-12-05 20:36:33,649 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 25 transitions, 143 flow [2022-12-05 20:36:33,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:33,649 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:33,649 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:36:33,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 20:36:33,650 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:33,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:33,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1900146760, now seen corresponding path program 4 times [2022-12-05 20:36:33,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:33,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76642556] [2022-12-05 20:36:33,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:33,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:34,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:34,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76642556] [2022-12-05 20:36:34,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76642556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:34,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:34,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-05 20:36:34,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625289448] [2022-12-05 20:36:34,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:34,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-05 20:36:34,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:34,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-05 20:36:34,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-05 20:36:34,656 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:34,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 25 transitions, 143 flow. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:34,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:34,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:34,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:35,477 INFO L130 PetriNetUnfolder]: 117/265 cut-off events. [2022-12-05 20:36:35,477 INFO L131 PetriNetUnfolder]: For 474/474 co-relation queries the response was YES. [2022-12-05 20:36:35,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 265 events. 117/265 cut-off events. For 474/474 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1132 event pairs, 13 based on Foata normal form. 8/237 useless extension candidates. Maximal degree in co-relation 776. Up to 108 conditions per place. [2022-12-05 20:36:35,479 INFO L137 encePairwiseOnDemand]: 29/34 looper letters, 15 selfloop transitions, 3 changer transitions 23/41 dead transitions. [2022-12-05 20:36:35,479 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 41 transitions, 274 flow [2022-12-05 20:36:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:36:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:36:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 46 transitions. [2022-12-05 20:36:35,480 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.22549019607843138 [2022-12-05 20:36:35,480 INFO L175 Difference]: Start difference. First operand has 51 places, 25 transitions, 143 flow. Second operand 6 states and 46 transitions. [2022-12-05 20:36:35,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 41 transitions, 274 flow [2022-12-05 20:36:35,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 41 transitions, 250 flow, removed 1 selfloop flow, removed 8 redundant places. [2022-12-05 20:36:35,482 INFO L231 Difference]: Finished difference. Result has 46 places, 16 transitions, 75 flow [2022-12-05 20:36:35,482 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=75, PETRI_PLACES=46, PETRI_TRANSITIONS=16} [2022-12-05 20:36:35,483 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, 12 predicate places. [2022-12-05 20:36:35,483 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 16 transitions, 75 flow [2022-12-05 20:36:35,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:35,483 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:36:35,483 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:36:35,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 20:36:35,484 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:36:35,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:36:35,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1046850774, now seen corresponding path program 3 times [2022-12-05 20:36:35,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:36:35,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47484685] [2022-12-05 20:36:35,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:36:35,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:36:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:36:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:36:36,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:36:36,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47484685] [2022-12-05 20:36:36,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47484685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:36:36,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:36:36,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 20:36:36,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983694527] [2022-12-05 20:36:36,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:36:36,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 20:36:36,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:36:36,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 20:36:36,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-05 20:36:36,215 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 34 [2022-12-05 20:36:36,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 16 transitions, 75 flow. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:36,216 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:36:36,216 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 34 [2022-12-05 20:36:36,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:36:36,606 INFO L130 PetriNetUnfolder]: 9/30 cut-off events. [2022-12-05 20:36:36,607 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-12-05 20:36:36,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 30 events. 9/30 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 8/36 useless extension candidates. Maximal degree in co-relation 84. Up to 19 conditions per place. [2022-12-05 20:36:36,607 INFO L137 encePairwiseOnDemand]: 29/34 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions. [2022-12-05 20:36:36,607 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 18 transitions, 113 flow [2022-12-05 20:36:36,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:36:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:36:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. [2022-12-05 20:36:36,608 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.12254901960784313 [2022-12-05 20:36:36,609 INFO L175 Difference]: Start difference. First operand has 46 places, 16 transitions, 75 flow. Second operand 6 states and 25 transitions. [2022-12-05 20:36:36,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 18 transitions, 113 flow [2022-12-05 20:36:36,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 18 transitions, 81 flow, removed 4 selfloop flow, removed 14 redundant places. [2022-12-05 20:36:36,609 INFO L231 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2022-12-05 20:36:36,609 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=39, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2022-12-05 20:36:36,610 INFO L294 CegarLoopForPetriNet]: 34 programPoint places, -6 predicate places. [2022-12-05 20:36:36,610 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 0 transitions, 0 flow [2022-12-05 20:36:36,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:36:36,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-05 20:36:36,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2022-12-05 20:36:36,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-05 20:36:36,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-12-05 20:36:36,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-12-05 20:36:36,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-05 20:36:36,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-05 20:36:36,615 INFO L458 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1] [2022-12-05 20:36:36,619 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:36:36,619 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:36:36,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:36:36 BasicIcfg [2022-12-05 20:36:36,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:36:36,622 INFO L158 Benchmark]: Toolchain (without parser) took 440107.11ms. Allocated memory was 176.2MB in the beginning and 985.7MB in the end (delta: 809.5MB). Free memory was 142.5MB in the beginning and 377.2MB in the end (delta: -234.7MB). Peak memory consumption was 574.3MB. Max. memory is 8.0GB. [2022-12-05 20:36:36,622 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:36:36,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4910.61ms. Allocated memory was 176.2MB in the beginning and 248.5MB in the end (delta: 72.4MB). Free memory was 142.5MB in the beginning and 130.2MB in the end (delta: 12.3MB). Peak memory consumption was 119.1MB. Max. memory is 8.0GB. [2022-12-05 20:36:36,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.02ms. Allocated memory is still 248.5MB. Free memory was 130.2MB in the beginning and 121.3MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-05 20:36:36,627 INFO L158 Benchmark]: Boogie Preprocessor took 74.50ms. Allocated memory is still 248.5MB. Free memory was 121.3MB in the beginning and 117.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-05 20:36:36,627 INFO L158 Benchmark]: RCFGBuilder took 1019.23ms. Allocated memory is still 248.5MB. Free memory was 117.1MB in the beginning and 164.5MB in the end (delta: -47.3MB). Peak memory consumption was 17.2MB. Max. memory is 8.0GB. [2022-12-05 20:36:36,631 INFO L158 Benchmark]: TraceAbstraction took 433938.85ms. Allocated memory was 248.5MB in the beginning and 985.7MB in the end (delta: 737.1MB). Free memory was 163.9MB in the beginning and 377.2MB in the end (delta: -213.2MB). Peak memory consumption was 523.4MB. Max. memory is 8.0GB. [2022-12-05 20:36:36,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4910.61ms. Allocated memory was 176.2MB in the beginning and 248.5MB in the end (delta: 72.4MB). Free memory was 142.5MB in the beginning and 130.2MB in the end (delta: 12.3MB). Peak memory consumption was 119.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 157.02ms. Allocated memory is still 248.5MB. Free memory was 130.2MB in the beginning and 121.3MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.50ms. Allocated memory is still 248.5MB. Free memory was 121.3MB in the beginning and 117.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1019.23ms. Allocated memory is still 248.5MB. Free memory was 117.1MB in the beginning and 164.5MB in the end (delta: -47.3MB). Peak memory consumption was 17.2MB. Max. memory is 8.0GB. * TraceAbstraction took 433938.85ms. Allocated memory was 248.5MB in the beginning and 985.7MB in the end (delta: 737.1MB). Free memory was 163.9MB in the beginning and 377.2MB in the end (delta: -213.2MB). Peak memory consumption was 523.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 403.9s, 320 PlacesBefore, 34 PlacesAfterwards, 328 TransitionsBefore, 34 TransitionsAfterwards, 10680 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 121 ConcurrentYvCompositions, 8 ChoiceCompositions, 307 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9482, independent: 9411, independent conditional: 9411, independent unconditional: 0, dependent: 70, dependent conditional: 70, dependent unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9482, independent: 9411, independent conditional: 0, independent unconditional: 9411, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9482, independent: 9411, independent conditional: 0, independent unconditional: 9411, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9482, independent: 9411, independent conditional: 0, independent unconditional: 9411, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7165, independent: 7129, independent conditional: 0, independent unconditional: 7129, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7165, independent: 7115, independent conditional: 0, independent unconditional: 7115, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2340, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 160, dependent conditional: 0, dependent unconditional: 160, unknown: 2162, unknown conditional: 0, unknown unconditional: 2162] ], Cache Queries: [ total: 9482, independent: 2282, independent conditional: 0, independent unconditional: 2282, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 7165, unknown conditional: 0, unknown unconditional: 7165] , Statistics on independence cache: Total cache size (in pairs): 17561, Positive cache size: 17526, Positive conditional cache size: 0, Positive unconditional cache size: 17526, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 452 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 433.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 404.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 530 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 530 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1131 IncrementalHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 0 mSDtfsCounter, 1131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=6, InterpolantAutomatonStates: 60, 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: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 20.8s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 1044 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 20:36:36,699 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...