/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-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:46:07,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:46:07,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:46:07,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:46:07,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:46:07,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:46:07,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:46:07,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:46:07,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:46:07,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:46:07,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:46:07,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:46:07,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:46:07,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:46:07,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:46:07,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:46:07,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:46:07,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:46:07,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:46:07,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:46:07,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:46:07,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:46:07,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:46:07,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:46:07,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:46:07,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:46:07,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:46:07,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:46:07,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:46:07,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:46:07,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:46:07,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:46:07,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:46:07,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:46:07,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:46:07,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:46:07,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:46:07,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:46:07,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:46:07,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:46:07,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:46:07,513 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-NoLbe.epf [2022-12-06 16:46:07,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:46:07,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:46:07,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:46:07,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:46:07,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:46:07,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:46:07,538 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:46:07,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:46:07,539 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:46:07,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:46:07,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:46:07,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:46:07,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:46:07,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:46:07,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:46:07,540 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:46:07,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:46:07,540 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:46:07,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:46:07,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:46:07,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:46:07,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:46:07,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:46:07,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:46:07,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:46:07,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:46:07,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:46:07,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:46:07,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:46:07,541 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:46:07,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:46:07,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:46:07,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:46:07,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:46:07,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:46:07,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:46:07,872 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:46:07,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-06 16:46:08,803 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:46:09,208 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:46:09,209 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-06 16:46:09,243 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee18aad6f/4b70b609d50e49b99b168bb7ad225eda/FLAG611945dde [2022-12-06 16:46:09,256 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee18aad6f/4b70b609d50e49b99b168bb7ad225eda [2022-12-06 16:46:09,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:46:09,258 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:46:09,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:46:09,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:46:09,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:46:09,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:09" (1/1) ... [2022-12-06 16:46:09,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187ee37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:09, skipping insertion in model container [2022-12-06 16:46:09,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:46:09" (1/1) ... [2022-12-06 16:46:09,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:46:09,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:46:09,585 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 16:46:09,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:09,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:09,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:09,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:09,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:09,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:10,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:10,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:10,137 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:10,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:10,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:10,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:10,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:10,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:10,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:10,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:10,159 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:10,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:10,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:10,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:10,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:10,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:10,758 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 16:46:10,763 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:46:10,768 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:46:10,778 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:46:10,895 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:46:10,901 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:46:11,046 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 16:46:11,326 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:46:11,336 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:46:11,416 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 16:46:11,420 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 16:46:11,768 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 16:46:11,773 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 16:46:11,777 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 16:46:11,902 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 16:46:11,902 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:46:11,906 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 16:46:11,906 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:46:12,102 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 16:46:12,144 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 16:46:12,351 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 16:46:12,357 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 16:46:12,572 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 16:46:12,796 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 16:46:12,796 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 16:46:12,796 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 16:46:13,610 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 16:46:13,610 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:46:13,612 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:46:13,615 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:46:13,617 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:46:13,924 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 16:46:13,928 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 16:46:13,935 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 16:46:13,944 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 16:46:13,945 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 16:46:13,949 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 16:46:13,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:46:13,985 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:46:14,004 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 16:46:14,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:46:14,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:46:14,045 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 16:46:14,046 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:46:14,046 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:46:14,047 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:46:14,050 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:46:14,052 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:46:14,054 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 16:46:14,066 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:46:14,067 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:46:14,068 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 16:46:14,069 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 16:46:14,074 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 16:46:14,075 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 16:46:14,075 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 16:46:14,078 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 16:46:14,078 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:46:14,078 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 16:46:14,078 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:46:14,085 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 16:46:14,087 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 16:46:14,091 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 16:46:14,091 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 16:46:14,095 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 16:46:14,099 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 16:46:14,099 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 16:46:14,099 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 16:46:14,150 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 16:46:14,151 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:46:14,152 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:46:14,158 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:46:14,161 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:46:14,191 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 16:46:14,192 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 16:46:14,192 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 16:46:14,194 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 16:46:14,194 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 16:46:14,195 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 16:46:14,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:46:14,546 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:46:14,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14 WrapperNode [2022-12-06 16:46:14,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:46:14,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:46:14,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:46:14,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:46:14,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,674 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-06 16:46:14,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:46:14,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:46:14,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:46:14,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:46:14,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:46:14,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:46:14,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:46:14,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:46:14,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (1/1) ... [2022-12-06 16:46:14,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:46:14,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:46:14,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 16:46:14,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 16:46:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 16:46:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 16:46:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 16:46:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 16:46:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:46:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:46:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:46:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 16:46:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:46:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:46:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-12-06 16:46:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-12-06 16:46:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 16:46:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:46:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 16:46:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 16:46:14,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:46:14,818 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 16:46:15,109 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:46:15,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:46:15,507 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:46:15,532 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:46:15,532 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-06 16:46:15,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:15 BoogieIcfgContainer [2022-12-06 16:46:15,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:46:15,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:46:15,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:46:15,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:46:15,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:46:09" (1/3) ... [2022-12-06 16:46:15,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5481fd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:46:15, skipping insertion in model container [2022-12-06 16:46:15,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:46:14" (2/3) ... [2022-12-06 16:46:15,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5481fd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:46:15, skipping insertion in model container [2022-12-06 16:46:15,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:46:15" (3/3) ... [2022-12-06 16:46:15,539 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-06 16:46:15,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:46:15,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 16:46:15,552 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:46:15,638 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 16:46:15,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 332 transitions, 680 flow [2022-12-06 16:46:15,744 INFO L130 PetriNetUnfolder]: 11/330 cut-off events. [2022-12-06 16:46:15,744 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 16:46:15,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 330 events. 11/330 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 307 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 275. Up to 4 conditions per place. [2022-12-06 16:46:15,751 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 332 transitions, 680 flow [2022-12-06 16:46:15,755 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 322 transitions, 653 flow [2022-12-06 16:46:15,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:46:15,766 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;@2059bd28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:46:15,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 16:46:15,800 INFO L130 PetriNetUnfolder]: 7/281 cut-off events. [2022-12-06 16:46:15,800 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 16:46:15,800 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:15,801 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:15,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:15,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:15,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1806346713, now seen corresponding path program 1 times [2022-12-06 16:46:15,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:15,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212751595] [2022-12-06 16:46:15,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:15,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:16,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:16,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212751595] [2022-12-06 16:46:16,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212751595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:16,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:16,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:46:16,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287878655] [2022-12-06 16:46:16,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:16,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:46:16,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:16,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:46:16,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:46:16,818 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 332 [2022-12-06 16:46:16,823 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 322 transitions, 653 flow. Second operand has 6 states, 6 states have (on average 284.0) internal successors, (1704), 6 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:16,823 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:16,824 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 332 [2022-12-06 16:46:16,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:17,377 INFO L130 PetriNetUnfolder]: 340/1932 cut-off events. [2022-12-06 16:46:17,377 INFO L131 PetriNetUnfolder]: For 70/72 co-relation queries the response was YES. [2022-12-06 16:46:17,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2594 conditions, 1932 events. 340/1932 cut-off events. For 70/72 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 13873 event pairs, 127 based on Foata normal form. 8/1812 useless extension candidates. Maximal degree in co-relation 2220. Up to 320 conditions per place. [2022-12-06 16:46:17,403 INFO L137 encePairwiseOnDemand]: 319/332 looper letters, 62 selfloop transitions, 9 changer transitions 41/380 dead transitions. [2022-12-06 16:46:17,403 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 380 transitions, 1030 flow [2022-12-06 16:46:17,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-06 16:46:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-06 16:46:17,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3452 transitions. [2022-12-06 16:46:17,419 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8664658634538153 [2022-12-06 16:46:17,421 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 10 predicate places. [2022-12-06 16:46:17,422 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 380 transitions, 1030 flow [2022-12-06 16:46:17,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 284.0) internal successors, (1704), 6 states have internal predecessors, (1704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:17,423 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:17,423 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:17,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:46:17,423 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:17,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:17,424 INFO L85 PathProgramCache]: Analyzing trace with hash -413153499, now seen corresponding path program 1 times [2022-12-06 16:46:17,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:17,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934434988] [2022-12-06 16:46:17,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:17,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:18,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:18,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934434988] [2022-12-06 16:46:18,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934434988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:18,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:18,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-06 16:46:18,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122372740] [2022-12-06 16:46:18,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:18,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:46:18,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:18,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:46:18,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-12-06 16:46:18,253 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 332 [2022-12-06 16:46:18,256 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 380 transitions, 1030 flow. Second operand has 12 states, 12 states have (on average 256.1666666666667) internal successors, (3074), 12 states have internal predecessors, (3074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:18,256 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:18,256 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 332 [2022-12-06 16:46:18,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:18,938 INFO L130 PetriNetUnfolder]: 397/2436 cut-off events. [2022-12-06 16:46:18,938 INFO L131 PetriNetUnfolder]: For 257/722 co-relation queries the response was YES. [2022-12-06 16:46:18,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3807 conditions, 2436 events. 397/2436 cut-off events. For 257/722 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 19520 event pairs, 13 based on Foata normal form. 16/2304 useless extension candidates. Maximal degree in co-relation 3273. Up to 348 conditions per place. [2022-12-06 16:46:18,949 INFO L137 encePairwiseOnDemand]: 317/332 looper letters, 92 selfloop transitions, 15 changer transitions 92/442 dead transitions. [2022-12-06 16:46:18,950 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 442 transitions, 1704 flow [2022-12-06 16:46:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-06 16:46:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-06 16:46:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4656 transitions. [2022-12-06 16:46:18,956 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7791164658634538 [2022-12-06 16:46:18,957 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 27 predicate places. [2022-12-06 16:46:18,957 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 442 transitions, 1704 flow [2022-12-06 16:46:18,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 256.1666666666667) internal successors, (3074), 12 states have internal predecessors, (3074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:18,959 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:18,959 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:18,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 16:46:18,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:18,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:18,962 INFO L85 PathProgramCache]: Analyzing trace with hash 320870602, now seen corresponding path program 1 times [2022-12-06 16:46:18,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:18,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297993753] [2022-12-06 16:46:18,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:18,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:19,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:19,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297993753] [2022-12-06 16:46:19,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297993753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:19,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:19,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-06 16:46:19,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947746995] [2022-12-06 16:46:19,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:19,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-06 16:46:19,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:19,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-06 16:46:19,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-12-06 16:46:19,947 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 332 [2022-12-06 16:46:19,951 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 442 transitions, 1704 flow. Second operand has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:19,951 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:19,951 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 332 [2022-12-06 16:46:19,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:22,227 INFO L130 PetriNetUnfolder]: 1612/6946 cut-off events. [2022-12-06 16:46:22,228 INFO L131 PetriNetUnfolder]: For 2467/2612 co-relation queries the response was YES. [2022-12-06 16:46:22,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13969 conditions, 6946 events. 1612/6946 cut-off events. For 2467/2612 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 71063 event pairs, 56 based on Foata normal form. 36/6623 useless extension candidates. Maximal degree in co-relation 12626. Up to 1123 conditions per place. [2022-12-06 16:46:22,256 INFO L137 encePairwiseOnDemand]: 314/332 looper letters, 181 selfloop transitions, 39 changer transitions 292/769 dead transitions. [2022-12-06 16:46:22,256 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 769 transitions, 4447 flow [2022-12-06 16:46:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-06 16:46:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2022-12-06 16:46:22,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 13458 transitions. [2022-12-06 16:46:22,275 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8272682567002705 [2022-12-06 16:46:22,277 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 75 predicate places. [2022-12-06 16:46:22,277 INFO L495 AbstractCegarLoop]: Abstraction has has 393 places, 769 transitions, 4447 flow [2022-12-06 16:46:22,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:22,279 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:22,279 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:22,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 16:46:22,279 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:22,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:22,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2142824636, now seen corresponding path program 2 times [2022-12-06 16:46:22,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:22,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014296351] [2022-12-06 16:46:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:22,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:23,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:23,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014296351] [2022-12-06 16:46:23,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014296351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:23,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:23,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-06 16:46:23,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437289300] [2022-12-06 16:46:23,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:23,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-06 16:46:23,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:23,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-06 16:46:23,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-12-06 16:46:23,115 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 332 [2022-12-06 16:46:23,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 769 transitions, 4447 flow. Second operand has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:23,119 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:23,119 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 332 [2022-12-06 16:46:23,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:25,497 INFO L130 PetriNetUnfolder]: 2162/9422 cut-off events. [2022-12-06 16:46:25,498 INFO L131 PetriNetUnfolder]: For 5124/7025 co-relation queries the response was YES. [2022-12-06 16:46:25,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22188 conditions, 9422 events. 2162/9422 cut-off events. For 5124/7025 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 103945 event pairs, 63 based on Foata normal form. 300/9215 useless extension candidates. Maximal degree in co-relation 20064. Up to 1457 conditions per place. [2022-12-06 16:46:25,549 INFO L137 encePairwiseOnDemand]: 314/332 looper letters, 250 selfloop transitions, 51 changer transitions 398/956 dead transitions. [2022-12-06 16:46:25,550 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 956 transitions, 7166 flow [2022-12-06 16:46:25,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-12-06 16:46:25,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2022-12-06 16:46:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 10728 transitions. [2022-12-06 16:46:25,563 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8285449490268767 [2022-12-06 16:46:25,564 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 113 predicate places. [2022-12-06 16:46:25,565 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 956 transitions, 7166 flow [2022-12-06 16:46:25,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:25,567 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:25,567 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:25,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 16:46:25,567 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:25,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:25,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1414724648, now seen corresponding path program 3 times [2022-12-06 16:46:25,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:25,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597315131] [2022-12-06 16:46:25,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:25,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:26,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:26,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:26,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597315131] [2022-12-06 16:46:26,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597315131] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:26,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:26,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-06 16:46:26,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452348655] [2022-12-06 16:46:26,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:26,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-06 16:46:26,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:26,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-06 16:46:26,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-12-06 16:46:26,322 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 332 [2022-12-06 16:46:26,326 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 956 transitions, 7166 flow. Second operand has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:26,326 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:26,326 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 332 [2022-12-06 16:46:26,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:29,086 INFO L130 PetriNetUnfolder]: 2160/9499 cut-off events. [2022-12-06 16:46:29,086 INFO L131 PetriNetUnfolder]: For 7817/10964 co-relation queries the response was YES. [2022-12-06 16:46:29,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25820 conditions, 9499 events. 2160/9499 cut-off events. For 7817/10964 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 105218 event pairs, 92 based on Foata normal form. 389/9397 useless extension candidates. Maximal degree in co-relation 23333. Up to 1459 conditions per place. [2022-12-06 16:46:29,134 INFO L137 encePairwiseOnDemand]: 314/332 looper letters, 261 selfloop transitions, 51 changer transitions 434/1003 dead transitions. [2022-12-06 16:46:29,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 479 places, 1003 transitions, 9115 flow [2022-12-06 16:46:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-06 16:46:29,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2022-12-06 16:46:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 13497 transitions. [2022-12-06 16:46:29,146 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8296656011802311 [2022-12-06 16:46:29,147 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 161 predicate places. [2022-12-06 16:46:29,147 INFO L495 AbstractCegarLoop]: Abstraction has has 479 places, 1003 transitions, 9115 flow [2022-12-06 16:46:29,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:29,148 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:29,148 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:29,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 16:46:29,149 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:29,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:29,149 INFO L85 PathProgramCache]: Analyzing trace with hash 524040742, now seen corresponding path program 4 times [2022-12-06 16:46:29,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:29,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507924450] [2022-12-06 16:46:29,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:29,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:30,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:30,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:30,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507924450] [2022-12-06 16:46:30,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507924450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:30,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:30,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-06 16:46:30,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313849150] [2022-12-06 16:46:30,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:30,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-06 16:46:30,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:30,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-06 16:46:30,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-06 16:46:30,082 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 332 [2022-12-06 16:46:30,085 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 479 places, 1003 transitions, 9115 flow. Second operand has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:30,085 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:30,085 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 332 [2022-12-06 16:46:30,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:32,636 INFO L130 PetriNetUnfolder]: 2466/10879 cut-off events. [2022-12-06 16:46:32,636 INFO L131 PetriNetUnfolder]: For 13253/18063 co-relation queries the response was YES. [2022-12-06 16:46:32,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33949 conditions, 10879 events. 2466/10879 cut-off events. For 13253/18063 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 125054 event pairs, 43 based on Foata normal form. 496/10835 useless extension candidates. Maximal degree in co-relation 30775. Up to 1721 conditions per place. [2022-12-06 16:46:32,680 INFO L137 encePairwiseOnDemand]: 314/332 looper letters, 339 selfloop transitions, 68 changer transitions 529/1193 dead transitions. [2022-12-06 16:46:32,681 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 527 places, 1193 transitions, 13226 flow [2022-12-06 16:46:32,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-06 16:46:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2022-12-06 16:46:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 13416 transitions. [2022-12-06 16:46:32,689 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8246865011064667 [2022-12-06 16:46:32,690 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 209 predicate places. [2022-12-06 16:46:32,690 INFO L495 AbstractCegarLoop]: Abstraction has has 527 places, 1193 transitions, 13226 flow [2022-12-06 16:46:32,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:32,691 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:32,692 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:32,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 16:46:32,692 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:32,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:32,692 INFO L85 PathProgramCache]: Analyzing trace with hash -117495866, now seen corresponding path program 5 times [2022-12-06 16:46:32,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:32,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89987319] [2022-12-06 16:46:32,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:32,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:34,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:34,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89987319] [2022-12-06 16:46:34,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89987319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:34,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:34,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-12-06 16:46:34,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511114148] [2022-12-06 16:46:34,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:34,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-06 16:46:34,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:34,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-06 16:46:34,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-12-06 16:46:34,459 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 332 [2022-12-06 16:46:34,463 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 527 places, 1193 transitions, 13226 flow. Second operand has 23 states, 23 states have (on average 235.2173913043478) internal successors, (5410), 23 states have internal predecessors, (5410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:34,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:34,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 332 [2022-12-06 16:46:34,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:40,628 INFO L130 PetriNetUnfolder]: 5675/23872 cut-off events. [2022-12-06 16:46:40,628 INFO L131 PetriNetUnfolder]: For 47419/60596 co-relation queries the response was YES. [2022-12-06 16:46:40,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84274 conditions, 23872 events. 5675/23872 cut-off events. For 47419/60596 co-relation queries the response was YES. Maximal size of possible extension queue 869. Compared 314666 event pairs, 167 based on Foata normal form. 746/23516 useless extension candidates. Maximal degree in co-relation 42121. Up to 3885 conditions per place. [2022-12-06 16:46:40,732 INFO L137 encePairwiseOnDemand]: 304/332 looper letters, 831 selfloop transitions, 161 changer transitions 1295/2513 dead transitions. [2022-12-06 16:46:40,732 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 2513 transitions, 35598 flow [2022-12-06 16:46:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-12-06 16:46:40,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2022-12-06 16:46:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 13906 transitions. [2022-12-06 16:46:40,741 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7221645201495638 [2022-12-06 16:46:40,742 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 266 predicate places. [2022-12-06 16:46:40,742 INFO L495 AbstractCegarLoop]: Abstraction has has 584 places, 2513 transitions, 35598 flow [2022-12-06 16:46:40,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 235.2173913043478) internal successors, (5410), 23 states have internal predecessors, (5410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:40,744 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:40,744 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:40,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 16:46:40,744 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:40,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:40,745 INFO L85 PathProgramCache]: Analyzing trace with hash 904042620, now seen corresponding path program 6 times [2022-12-06 16:46:40,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:40,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995290004] [2022-12-06 16:46:40,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:40,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:41,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:41,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995290004] [2022-12-06 16:46:41,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995290004] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:41,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:41,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-06 16:46:41,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907532845] [2022-12-06 16:46:41,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:41,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-06 16:46:41,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:41,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-06 16:46:41,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-06 16:46:41,383 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 332 [2022-12-06 16:46:41,385 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 2513 transitions, 35598 flow. Second operand has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:41,385 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:41,385 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 332 [2022-12-06 16:46:41,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:47,159 INFO L130 PetriNetUnfolder]: 6368/26960 cut-off events. [2022-12-06 16:46:47,160 INFO L131 PetriNetUnfolder]: For 70658/89545 co-relation queries the response was YES. [2022-12-06 16:46:47,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105283 conditions, 26960 events. 6368/26960 cut-off events. For 70658/89545 co-relation queries the response was YES. Maximal size of possible extension queue 988. Compared 363953 event pairs, 245 based on Foata normal form. 862/26566 useless extension candidates. Maximal degree in co-relation 52628. Up to 4416 conditions per place. [2022-12-06 16:46:47,287 INFO L137 encePairwiseOnDemand]: 314/332 looper letters, 924 selfloop transitions, 145 changer transitions 1456/2792 dead transitions. [2022-12-06 16:46:47,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 2792 transitions, 45025 flow [2022-12-06 16:46:47,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-12-06 16:46:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2022-12-06 16:46:47,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 16197 transitions. [2022-12-06 16:46:47,297 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.826883806412089 [2022-12-06 16:46:47,298 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 324 predicate places. [2022-12-06 16:46:47,298 INFO L495 AbstractCegarLoop]: Abstraction has has 642 places, 2792 transitions, 45025 flow [2022-12-06 16:46:47,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:47,300 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:47,300 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:47,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 16:46:47,300 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:47,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:47,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1032614994, now seen corresponding path program 7 times [2022-12-06 16:46:47,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:47,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484173030] [2022-12-06 16:46:47,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:47,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:48,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:48,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484173030] [2022-12-06 16:46:48,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484173030] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:48,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:48,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-06 16:46:48,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703530185] [2022-12-06 16:46:48,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:48,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-06 16:46:48,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:48,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-06 16:46:48,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-06 16:46:48,024 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 332 [2022-12-06 16:46:48,032 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 2792 transitions, 45025 flow. Second operand has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:48,032 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:48,032 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 332 [2022-12-06 16:46:48,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:46:54,237 INFO L130 PetriNetUnfolder]: 6344/26951 cut-off events. [2022-12-06 16:46:54,237 INFO L131 PetriNetUnfolder]: For 91972/114292 co-relation queries the response was YES. [2022-12-06 16:46:54,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115597 conditions, 26951 events. 6344/26951 cut-off events. For 91972/114292 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 363791 event pairs, 224 based on Foata normal form. 866/26606 useless extension candidates. Maximal degree in co-relation 57493. Up to 4420 conditions per place. [2022-12-06 16:46:54,376 INFO L137 encePairwiseOnDemand]: 314/332 looper letters, 939 selfloop transitions, 147 changer transitions 1512/2865 dead transitions. [2022-12-06 16:46:54,376 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 2865 transitions, 51505 flow [2022-12-06 16:46:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-06 16:46:54,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2022-12-06 16:46:54,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 13456 transitions. [2022-12-06 16:46:54,383 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8271453159577083 [2022-12-06 16:46:54,384 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 372 predicate places. [2022-12-06 16:46:54,384 INFO L495 AbstractCegarLoop]: Abstraction has has 690 places, 2865 transitions, 51505 flow [2022-12-06 16:46:54,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 270.5) internal successors, (3787), 14 states have internal predecessors, (3787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:54,385 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:46:54,386 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:46:54,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 16:46:54,386 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:46:54,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:46:54,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1259328334, now seen corresponding path program 1 times [2022-12-06 16:46:54,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:46:54,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362732431] [2022-12-06 16:46:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:46:54,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:46:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:46:55,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:46:55,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:46:55,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362732431] [2022-12-06 16:46:55,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362732431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:46:55,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:46:55,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-06 16:46:55,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399893720] [2022-12-06 16:46:55,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:46:55,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-06 16:46:55,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:46:55,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-06 16:46:55,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-12-06 16:46:55,431 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 332 [2022-12-06 16:46:55,433 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 2865 transitions, 51505 flow. Second operand has 16 states, 16 states have (on average 250.25) internal successors, (4004), 16 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:46:55,433 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:46:55,433 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 332 [2022-12-06 16:46:55,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:47:01,861 INFO L130 PetriNetUnfolder]: 6565/28298 cut-off events. [2022-12-06 16:47:01,861 INFO L131 PetriNetUnfolder]: For 121180/148197 co-relation queries the response was YES. [2022-12-06 16:47:01,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129789 conditions, 28298 events. 6565/28298 cut-off events. For 121180/148197 co-relation queries the response was YES. Maximal size of possible extension queue 1033. Compared 385517 event pairs, 211 based on Foata normal form. 1014/28039 useless extension candidates. Maximal degree in co-relation 62719. Up to 4761 conditions per place. [2022-12-06 16:47:02,019 INFO L137 encePairwiseOnDemand]: 314/332 looper letters, 986 selfloop transitions, 156 changer transitions 1649/3037 dead transitions. [2022-12-06 16:47:02,019 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 3037 transitions, 60392 flow [2022-12-06 16:47:02,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-06 16:47:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-12-06 16:47:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 7361 transitions. [2022-12-06 16:47:02,025 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7645409223099294 [2022-12-06 16:47:02,025 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 400 predicate places. [2022-12-06 16:47:02,025 INFO L495 AbstractCegarLoop]: Abstraction has has 718 places, 3037 transitions, 60392 flow [2022-12-06 16:47:02,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 250.25) internal successors, (4004), 16 states have internal predecessors, (4004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:02,026 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:47:02,026 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:47:02,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-06 16:47:02,027 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:47:02,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:47:02,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1439518410, now seen corresponding path program 1 times [2022-12-06 16:47:02,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:47:02,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554678282] [2022-12-06 16:47:02,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:02,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:47:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:47:04,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:47:04,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554678282] [2022-12-06 16:47:04,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554678282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:47:04,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:47:04,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-12-06 16:47:04,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006117679] [2022-12-06 16:47:04,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:47:04,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-06 16:47:04,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:47:04,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-06 16:47:04,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2022-12-06 16:47:04,021 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 332 [2022-12-06 16:47:04,025 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 718 places, 3037 transitions, 60392 flow. Second operand has 27 states, 27 states have (on average 232.88888888888889) internal successors, (6288), 27 states have internal predecessors, (6288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:04,025 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:47:04,025 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 332 [2022-12-06 16:47:04,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:47:15,988 INFO L130 PetriNetUnfolder]: 11872/43790 cut-off events. [2022-12-06 16:47:15,989 INFO L131 PetriNetUnfolder]: For 273120/305541 co-relation queries the response was YES. [2022-12-06 16:47:16,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225384 conditions, 43790 events. 11872/43790 cut-off events. For 273120/305541 co-relation queries the response was YES. Maximal size of possible extension queue 1604. Compared 610151 event pairs, 751 based on Foata normal form. 924/43000 useless extension candidates. Maximal degree in co-relation 126282. Up to 7866 conditions per place. [2022-12-06 16:47:16,237 INFO L137 encePairwiseOnDemand]: 301/332 looper letters, 1287 selfloop transitions, 245 changer transitions 2270/4026 dead transitions. [2022-12-06 16:47:16,237 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 766 places, 4026 transitions, 88393 flow [2022-12-06 16:47:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-06 16:47:16,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2022-12-06 16:47:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 11763 transitions. [2022-12-06 16:47:16,245 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7230759773789034 [2022-12-06 16:47:16,246 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 448 predicate places. [2022-12-06 16:47:16,246 INFO L495 AbstractCegarLoop]: Abstraction has has 766 places, 4026 transitions, 88393 flow [2022-12-06 16:47:16,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 232.88888888888889) internal successors, (6288), 27 states have internal predecessors, (6288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:16,247 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:47:16,247 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:47:16,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-06 16:47:16,248 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:47:16,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:47:16,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2118784448, now seen corresponding path program 2 times [2022-12-06 16:47:16,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:47:16,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575529422] [2022-12-06 16:47:16,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:16,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:47:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:47:17,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:47:17,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575529422] [2022-12-06 16:47:17,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575529422] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:47:17,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:47:17,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-06 16:47:17,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196278134] [2022-12-06 16:47:17,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:47:17,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-06 16:47:17,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:47:17,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-06 16:47:17,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-12-06 16:47:17,053 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 332 [2022-12-06 16:47:17,056 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 4026 transitions, 88393 flow. Second operand has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:17,056 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:47:17,056 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 332 [2022-12-06 16:47:17,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:47:32,386 INFO L130 PetriNetUnfolder]: 12963/47743 cut-off events. [2022-12-06 16:47:32,386 INFO L131 PetriNetUnfolder]: For 361241/396998 co-relation queries the response was YES. [2022-12-06 16:47:32,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272838 conditions, 47743 events. 12963/47743 cut-off events. For 361241/396998 co-relation queries the response was YES. Maximal size of possible extension queue 1842. Compared 676153 event pairs, 197 based on Foata normal form. 1045/47033 useless extension candidates. Maximal degree in co-relation 148648. Up to 8707 conditions per place. [2022-12-06 16:47:32,635 INFO L137 encePairwiseOnDemand]: 312/332 looper letters, 1307 selfloop transitions, 205 changer transitions 4433/6236 dead transitions. [2022-12-06 16:47:32,636 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 848 places, 6236 transitions, 152831 flow [2022-12-06 16:47:32,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-12-06 16:47:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2022-12-06 16:47:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 22561 transitions. [2022-12-06 16:47:32,649 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8187327623748004 [2022-12-06 16:47:32,649 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 530 predicate places. [2022-12-06 16:47:32,649 INFO L495 AbstractCegarLoop]: Abstraction has has 848 places, 6236 transitions, 152831 flow [2022-12-06 16:47:32,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:32,650 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:47:32,650 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:47:32,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-06 16:47:32,650 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:47:32,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:47:32,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1121103262, now seen corresponding path program 3 times [2022-12-06 16:47:32,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:47:32,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042982638] [2022-12-06 16:47:32,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:32,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:47:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:47:33,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:47:33,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042982638] [2022-12-06 16:47:33,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042982638] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:47:33,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:47:33,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-06 16:47:33,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206989530] [2022-12-06 16:47:33,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:47:33,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-06 16:47:33,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:47:33,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-06 16:47:33,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-12-06 16:47:33,685 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 332 [2022-12-06 16:47:33,687 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 6236 transitions, 152831 flow. Second operand has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:33,687 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:47:33,687 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 332 [2022-12-06 16:47:33,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:47:54,380 INFO L130 PetriNetUnfolder]: 13857/51207 cut-off events. [2022-12-06 16:47:54,381 INFO L131 PetriNetUnfolder]: For 440191/479649 co-relation queries the response was YES. [2022-12-06 16:47:54,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318605 conditions, 51207 events. 13857/51207 cut-off events. For 440191/479649 co-relation queries the response was YES. Maximal size of possible extension queue 2003. Compared 734092 event pairs, 215 based on Foata normal form. 1080/50515 useless extension candidates. Maximal degree in co-relation 171358. Up to 8917 conditions per place. [2022-12-06 16:47:54,654 INFO L137 encePairwiseOnDemand]: 312/332 looper letters, 1073 selfloop transitions, 112 changer transitions 5540/6998 dead transitions. [2022-12-06 16:47:54,655 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 906 places, 6998 transitions, 185399 flow [2022-12-06 16:47:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-12-06 16:47:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2022-12-06 16:47:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 16079 transitions. [2022-12-06 16:47:54,682 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8208597100265469 [2022-12-06 16:47:54,683 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 588 predicate places. [2022-12-06 16:47:54,683 INFO L495 AbstractCegarLoop]: Abstraction has has 906 places, 6998 transitions, 185399 flow [2022-12-06 16:47:54,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:54,684 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:47:54,684 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:47:54,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-06 16:47:54,684 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:47:54,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:47:54,685 INFO L85 PathProgramCache]: Analyzing trace with hash 95892876, now seen corresponding path program 4 times [2022-12-06 16:47:54,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:47:54,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623588229] [2022-12-06 16:47:54,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:54,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:47:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:47:55,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:47:55,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623588229] [2022-12-06 16:47:55,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623588229] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:47:55,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:47:55,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-06 16:47:55,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628879632] [2022-12-06 16:47:55,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:47:55,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-06 16:47:55,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:47:55,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-06 16:47:55,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-12-06 16:47:55,488 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 332 [2022-12-06 16:47:55,490 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 906 places, 6998 transitions, 185399 flow. Second operand has 16 states, 16 states have (on average 268.3125) internal successors, (4293), 16 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:55,490 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:47:55,490 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 332 [2022-12-06 16:47:55,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:48:22,909 INFO L130 PetriNetUnfolder]: 15012/56685 cut-off events. [2022-12-06 16:48:22,909 INFO L131 PetriNetUnfolder]: For 527624/571344 co-relation queries the response was YES. [2022-12-06 16:48:23,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375055 conditions, 56685 events. 15012/56685 cut-off events. For 527624/571344 co-relation queries the response was YES. Maximal size of possible extension queue 2215. Compared 829238 event pairs, 232 based on Foata normal form. 1177/55937 useless extension candidates. Maximal degree in co-relation 202366. Up to 9978 conditions per place. [2022-12-06 16:48:23,209 INFO L137 encePairwiseOnDemand]: 312/332 looper letters, 1226 selfloop transitions, 175 changer transitions 6298/7972 dead transitions. [2022-12-06 16:48:23,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 999 places, 7972 transitions, 226546 flow [2022-12-06 16:48:23,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-06 16:48:23,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2022-12-06 16:48:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 25541 transitions. [2022-12-06 16:48:23,219 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8184119456549602 [2022-12-06 16:48:23,220 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 681 predicate places. [2022-12-06 16:48:23,220 INFO L495 AbstractCegarLoop]: Abstraction has has 999 places, 7972 transitions, 226546 flow [2022-12-06 16:48:23,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 268.3125) internal successors, (4293), 16 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:23,221 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:48:23,221 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:48:23,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-06 16:48:23,221 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:48:23,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:48:23,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1928764656, now seen corresponding path program 5 times [2022-12-06 16:48:23,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:48:23,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990160147] [2022-12-06 16:48:23,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:48:23,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:48:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:48:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:48:23,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:48:23,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990160147] [2022-12-06 16:48:23,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990160147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:48:23,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:48:23,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-06 16:48:23,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981088093] [2022-12-06 16:48:23,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:48:23,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-06 16:48:23,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:48:23,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-06 16:48:23,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-12-06 16:48:23,887 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 332 [2022-12-06 16:48:23,889 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 999 places, 7972 transitions, 226546 flow. Second operand has 16 states, 16 states have (on average 268.3125) internal successors, (4293), 16 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:23,889 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:48:23,889 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 332 [2022-12-06 16:48:23,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:48:54,435 INFO L130 PetriNetUnfolder]: 14982/56448 cut-off events. [2022-12-06 16:48:54,436 INFO L131 PetriNetUnfolder]: For 581631/629631 co-relation queries the response was YES. [2022-12-06 16:48:54,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400004 conditions, 56448 events. 14982/56448 cut-off events. For 581631/629631 co-relation queries the response was YES. Maximal size of possible extension queue 2194. Compared 824772 event pairs, 234 based on Foata normal form. 1223/55774 useless extension candidates. Maximal degree in co-relation 215700. Up to 9952 conditions per place. [2022-12-06 16:48:54,709 INFO L137 encePairwiseOnDemand]: 312/332 looper letters, 841 selfloop transitions, 114 changer transitions 6768/7996 dead transitions. [2022-12-06 16:48:54,709 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1092 places, 7996 transitions, 242662 flow [2022-12-06 16:48:54,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-06 16:48:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2022-12-06 16:48:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 25573 transitions. [2022-12-06 16:48:54,720 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8194373237631376 [2022-12-06 16:48:54,720 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 774 predicate places. [2022-12-06 16:48:54,720 INFO L495 AbstractCegarLoop]: Abstraction has has 1092 places, 7996 transitions, 242662 flow [2022-12-06 16:48:54,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 268.3125) internal successors, (4293), 16 states have internal predecessors, (4293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:54,735 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:48:54,736 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:48:54,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-06 16:48:54,736 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:48:54,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:48:54,736 INFO L85 PathProgramCache]: Analyzing trace with hash -153902812, now seen corresponding path program 6 times [2022-12-06 16:48:54,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:48:54,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525631307] [2022-12-06 16:48:54,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:48:54,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:48:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:48:56,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:48:56,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:48:56,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525631307] [2022-12-06 16:48:56,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525631307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:48:56,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:48:56,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-06 16:48:56,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943531278] [2022-12-06 16:48:56,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:48:56,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-06 16:48:56,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:48:56,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-06 16:48:56,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-12-06 16:48:56,327 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 332 [2022-12-06 16:48:56,329 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1092 places, 7996 transitions, 242662 flow. Second operand has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:56,329 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:48:56,329 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 332 [2022-12-06 16:48:56,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:49:25,873 INFO L130 PetriNetUnfolder]: 14980/56475 cut-off events. [2022-12-06 16:49:25,874 INFO L131 PetriNetUnfolder]: For 641811/694278 co-relation queries the response was YES. [2022-12-06 16:49:26,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 425349 conditions, 56475 events. 14980/56475 cut-off events. For 641811/694278 co-relation queries the response was YES. Maximal size of possible extension queue 2197. Compared 825251 event pairs, 227 based on Foata normal form. 979/55558 useless extension candidates. Maximal degree in co-relation 229364. Up to 9938 conditions per place. [2022-12-06 16:49:26,138 INFO L137 encePairwiseOnDemand]: 312/332 looper letters, 786 selfloop transitions, 82 changer transitions 6921/8062 dead transitions. [2022-12-06 16:49:26,139 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1150 places, 8062 transitions, 259142 flow [2022-12-06 16:49:26,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-12-06 16:49:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2022-12-06 16:49:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 16107 transitions. [2022-12-06 16:49:26,145 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.822289156626506 [2022-12-06 16:49:26,145 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 832 predicate places. [2022-12-06 16:49:26,145 INFO L495 AbstractCegarLoop]: Abstraction has has 1150 places, 8062 transitions, 259142 flow [2022-12-06 16:49:26,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:26,146 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:49:26,146 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:49:26,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-06 16:49:26,146 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:49:26,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:49:26,147 INFO L85 PathProgramCache]: Analyzing trace with hash -603707572, now seen corresponding path program 7 times [2022-12-06 16:49:26,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:49:26,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619165994] [2022-12-06 16:49:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:49:26,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:49:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:49:27,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:49:27,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:49:27,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619165994] [2022-12-06 16:49:27,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619165994] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:49:27,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:49:27,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-06 16:49:27,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688226552] [2022-12-06 16:49:27,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:49:27,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-06 16:49:27,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:49:27,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-06 16:49:27,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-12-06 16:49:27,208 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 332 [2022-12-06 16:49:27,209 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1150 places, 8062 transitions, 259142 flow. Second operand has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:27,209 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:49:27,210 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 332 [2022-12-06 16:49:27,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:49:54,836 INFO L130 PetriNetUnfolder]: 14974/56376 cut-off events. [2022-12-06 16:49:54,836 INFO L131 PetriNetUnfolder]: For 704296/760961 co-relation queries the response was YES. [2022-12-06 16:49:54,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 450896 conditions, 56376 events. 14974/56376 cut-off events. For 704296/760961 co-relation queries the response was YES. Maximal size of possible extension queue 2198. Compared 823270 event pairs, 235 based on Foata normal form. 958/55444 useless extension candidates. Maximal degree in co-relation 242826. Up to 9944 conditions per place. [2022-12-06 16:49:55,074 INFO L137 encePairwiseOnDemand]: 312/332 looper letters, 601 selfloop transitions, 56 changer transitions 7150/8080 dead transitions. [2022-12-06 16:49:55,074 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1218 places, 8080 transitions, 275118 flow [2022-12-06 16:49:55,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-12-06 16:49:55,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2022-12-06 16:49:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 18858 transitions. [2022-12-06 16:49:55,081 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.823205866946045 [2022-12-06 16:49:55,087 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 900 predicate places. [2022-12-06 16:49:55,087 INFO L495 AbstractCegarLoop]: Abstraction has has 1218 places, 8080 transitions, 275118 flow [2022-12-06 16:49:55,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:55,100 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:49:55,100 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:49:55,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-06 16:49:55,101 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:49:55,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:49:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash -547538534, now seen corresponding path program 8 times [2022-12-06 16:49:55,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:49:55,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996540187] [2022-12-06 16:49:55,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:49:55,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:49:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:49:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:49:56,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:49:56,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996540187] [2022-12-06 16:49:56,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996540187] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:49:56,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:49:56,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-12-06 16:49:56,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082579925] [2022-12-06 16:49:56,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:49:56,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-06 16:49:56,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:49:56,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-06 16:49:56,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-12-06 16:49:56,836 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 332 [2022-12-06 16:49:56,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1218 places, 8080 transitions, 275118 flow. Second operand has 26 states, 26 states have (on average 233.0) internal successors, (6058), 26 states have internal predecessors, (6058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:56,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:49:56,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 332 [2022-12-06 16:49:56,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:50:30,831 INFO L130 PetriNetUnfolder]: 14968/56604 cut-off events. [2022-12-06 16:50:30,831 INFO L131 PetriNetUnfolder]: For 750378/811749 co-relation queries the response was YES. [2022-12-06 16:50:30,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478437 conditions, 56604 events. 14968/56604 cut-off events. For 750378/811749 co-relation queries the response was YES. Maximal size of possible extension queue 2207. Compared 828807 event pairs, 203 based on Foata normal form. 1184/55904 useless extension candidates. Maximal degree in co-relation 258202. Up to 9942 conditions per place. [2022-12-06 16:50:31,106 INFO L137 encePairwiseOnDemand]: 302/332 looper letters, 581 selfloop transitions, 90 changer transitions 7468/8363 dead transitions. [2022-12-06 16:50:31,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1305 places, 8363 transitions, 296508 flow [2022-12-06 16:50:31,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-12-06 16:50:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2022-12-06 16:50:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 20843 transitions. [2022-12-06 16:50:31,114 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7134104600219058 [2022-12-06 16:50:31,114 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 987 predicate places. [2022-12-06 16:50:31,115 INFO L495 AbstractCegarLoop]: Abstraction has has 1305 places, 8363 transitions, 296508 flow [2022-12-06 16:50:31,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 233.0) internal successors, (6058), 26 states have internal predecessors, (6058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:50:31,115 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:50:31,116 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:50:31,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-06 16:50:31,116 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:50:31,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:50:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1267584732, now seen corresponding path program 9 times [2022-12-06 16:50:31,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:50:31,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317411988] [2022-12-06 16:50:31,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:50:31,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:50:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:50:32,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:50:32,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:50:32,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317411988] [2022-12-06 16:50:32,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317411988] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:50:32,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:50:32,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-06 16:50:32,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757131803] [2022-12-06 16:50:32,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:50:32,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-06 16:50:32,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:50:32,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-06 16:50:32,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-12-06 16:50:32,014 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 332 [2022-12-06 16:50:32,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1305 places, 8363 transitions, 296508 flow. Second operand has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:50:32,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:50:32,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 332 [2022-12-06 16:50:32,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:51:03,937 INFO L130 PetriNetUnfolder]: 14978/56815 cut-off events. [2022-12-06 16:51:03,937 INFO L131 PetriNetUnfolder]: For 813071/872780 co-relation queries the response was YES. [2022-12-06 16:51:04,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 504176 conditions, 56815 events. 14978/56815 cut-off events. For 813071/872780 co-relation queries the response was YES. Maximal size of possible extension queue 2232. Compared 833361 event pairs, 213 based on Foata normal form. 974/55901 useless extension candidates. Maximal degree in co-relation 271812. Up to 9940 conditions per place. [2022-12-06 16:51:04,209 INFO L137 encePairwiseOnDemand]: 312/332 looper letters, 495 selfloop transitions, 52 changer transitions 7769/8589 dead transitions. [2022-12-06 16:51:04,209 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1373 places, 8589 transitions, 317318 flow [2022-12-06 16:51:04,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-12-06 16:51:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2022-12-06 16:51:04,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 18846 transitions. [2022-12-06 16:51:04,217 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8226820324777371 [2022-12-06 16:51:04,217 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 1055 predicate places. [2022-12-06 16:51:04,218 INFO L495 AbstractCegarLoop]: Abstraction has has 1373 places, 8589 transitions, 317318 flow [2022-12-06 16:51:04,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:51:04,218 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:51:04,218 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:51:04,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-06 16:51:04,218 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:51:04,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:51:04,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1717389492, now seen corresponding path program 10 times [2022-12-06 16:51:04,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:51:04,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090098655] [2022-12-06 16:51:04,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:51:04,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:51:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:51:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:51:06,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:51:06,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090098655] [2022-12-06 16:51:06,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090098655] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:51:06,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:51:06,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2022-12-06 16:51:06,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093896667] [2022-12-06 16:51:06,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:51:06,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-12-06 16:51:06,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:51:06,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-12-06 16:51:06,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1227, Unknown=0, NotChecked=0, Total=1332 [2022-12-06 16:51:06,631 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 332 [2022-12-06 16:51:06,633 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1373 places, 8589 transitions, 317318 flow. Second operand has 37 states, 37 states have (on average 202.78378378378378) internal successors, (7503), 37 states have internal predecessors, (7503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:51:06,633 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:51:06,633 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 332 [2022-12-06 16:51:06,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:52:31,400 INFO L130 PetriNetUnfolder]: 36158/107695 cut-off events. [2022-12-06 16:52:31,401 INFO L131 PetriNetUnfolder]: For 2557829/2639023 co-relation queries the response was YES. [2022-12-06 16:52:31,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 986013 conditions, 107695 events. 36158/107695 cut-off events. For 2557829/2639023 co-relation queries the response was YES. Maximal size of possible extension queue 3704. Compared 1568714 event pairs, 3191 based on Foata normal form. 871/103541 useless extension candidates. Maximal degree in co-relation 529883. Up to 19071 conditions per place. [2022-12-06 16:52:32,062 INFO L137 encePairwiseOnDemand]: 282/332 looper letters, 733 selfloop transitions, 157 changer transitions 9713/10798 dead transitions. [2022-12-06 16:52:32,062 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1507 places, 10798 transitions, 407654 flow [2022-12-06 16:52:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2022-12-06 16:52:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2022-12-06 16:52:32,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 28317 transitions. [2022-12-06 16:52:32,075 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6317938420348059 [2022-12-06 16:52:32,075 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 1189 predicate places. [2022-12-06 16:52:32,076 INFO L495 AbstractCegarLoop]: Abstraction has has 1507 places, 10798 transitions, 407654 flow [2022-12-06 16:52:32,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 202.78378378378378) internal successors, (7503), 37 states have internal predecessors, (7503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:52:32,077 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:52:32,077 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:52:32,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-06 16:52:32,077 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:52:32,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:52:32,077 INFO L85 PathProgramCache]: Analyzing trace with hash 900394780, now seen corresponding path program 1 times [2022-12-06 16:52:32,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:52:32,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394507022] [2022-12-06 16:52:32,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:52:32,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:52:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:52:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:52:33,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:52:33,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394507022] [2022-12-06 16:52:33,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394507022] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:52:33,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:52:33,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-06 16:52:33,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617089140] [2022-12-06 16:52:33,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:52:33,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-06 16:52:33,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:52:33,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-06 16:52:33,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-12-06 16:52:33,057 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 332 [2022-12-06 16:52:33,058 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1507 places, 10798 transitions, 407654 flow. Second operand has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:52:33,058 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:52:33,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 332 [2022-12-06 16:52:33,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:54:03,676 INFO L130 PetriNetUnfolder]: 36157/107514 cut-off events. [2022-12-06 16:54:03,676 INFO L131 PetriNetUnfolder]: For 2819958/2905997 co-relation queries the response was YES. [2022-12-06 16:54:04,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1030607 conditions, 107514 events. 36157/107514 cut-off events. For 2819958/2905997 co-relation queries the response was YES. Maximal size of possible extension queue 3695. Compared 1564473 event pairs, 3194 based on Foata normal form. 677/103171 useless extension candidates. Maximal degree in co-relation 553672. Up to 19066 conditions per place. [2022-12-06 16:54:04,200 INFO L137 encePairwiseOnDemand]: 312/332 looper letters, 298 selfloop transitions, 37 changer transitions 10161/10844 dead transitions. [2022-12-06 16:54:04,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1575 places, 10844 transitions, 429028 flow [2022-12-06 16:54:04,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-12-06 16:54:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2022-12-06 16:54:04,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 18796 transitions. [2022-12-06 16:54:04,207 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.820499388859787 [2022-12-06 16:54:04,208 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 1257 predicate places. [2022-12-06 16:54:04,208 INFO L495 AbstractCegarLoop]: Abstraction has has 1575 places, 10844 transitions, 429028 flow [2022-12-06 16:54:04,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:54:04,209 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:54:04,209 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:54:04,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-06 16:54:04,209 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:54:04,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:54:04,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1309110830, now seen corresponding path program 11 times [2022-12-06 16:54:04,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:54:04,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259417690] [2022-12-06 16:54:04,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:54:04,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:54:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:54:04,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:54:04,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:54:04,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259417690] [2022-12-06 16:54:04,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259417690] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:54:04,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:54:04,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-06 16:54:04,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312612845] [2022-12-06 16:54:04,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:54:04,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-06 16:54:04,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:54:04,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-06 16:54:04,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-12-06 16:54:04,931 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 332 [2022-12-06 16:54:04,932 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1575 places, 10844 transitions, 429028 flow. Second operand has 14 states, 14 states have (on average 270.64285714285717) internal successors, (3789), 14 states have internal predecessors, (3789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:54:04,932 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:54:04,932 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 332 [2022-12-06 16:54:04,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:55:40,964 INFO L130 PetriNetUnfolder]: 36357/108701 cut-off events. [2022-12-06 16:55:40,965 INFO L131 PetriNetUnfolder]: For 3112346/3201996 co-relation queries the response was YES. [2022-12-06 16:55:41,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084714 conditions, 108701 events. 36357/108701 cut-off events. For 3112346/3201996 co-relation queries the response was YES. Maximal size of possible extension queue 3741. Compared 1587843 event pairs, 3171 based on Foata normal form. 948/104598 useless extension candidates. Maximal degree in co-relation 583599. Up to 19293 conditions per place. [2022-12-06 16:55:41,546 INFO L137 encePairwiseOnDemand]: 314/332 looper letters, 340 selfloop transitions, 47 changer transitions 10390/11129 dead transitions. [2022-12-06 16:55:41,547 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1618 places, 11129 transitions, 461991 flow [2022-12-06 16:55:41,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-12-06 16:55:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2022-12-06 16:55:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 12045 transitions. [2022-12-06 16:55:41,568 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8245481927710844 [2022-12-06 16:55:41,568 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 1300 predicate places. [2022-12-06 16:55:41,568 INFO L495 AbstractCegarLoop]: Abstraction has has 1618 places, 11129 transitions, 461991 flow [2022-12-06 16:55:41,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 270.64285714285717) internal successors, (3789), 14 states have internal predecessors, (3789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:55:41,569 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:55:41,569 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:55:41,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-06 16:55:41,569 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:55:41,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:55:41,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1495114528, now seen corresponding path program 12 times [2022-12-06 16:55:41,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:55:41,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655358770] [2022-12-06 16:55:41,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:55:41,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:55:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:55:42,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:55:42,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:55:42,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655358770] [2022-12-06 16:55:42,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655358770] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:55:42,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:55:42,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-06 16:55:42,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427326768] [2022-12-06 16:55:42,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:55:42,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-06 16:55:42,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:55:42,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-06 16:55:42,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-12-06 16:55:42,527 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 332 [2022-12-06 16:55:42,529 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1618 places, 11129 transitions, 461991 flow. Second operand has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:55:42,529 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:55:42,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 332 [2022-12-06 16:55:42,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:57:13,992 INFO L130 PetriNetUnfolder]: 36384/108718 cut-off events. [2022-12-06 16:57:13,993 INFO L131 PetriNetUnfolder]: For 3352866/3434933 co-relation queries the response was YES. [2022-12-06 16:57:14,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1130483 conditions, 108718 events. 36384/108718 cut-off events. For 3352866/3434933 co-relation queries the response was YES. Maximal size of possible extension queue 3743. Compared 1588001 event pairs, 3200 based on Foata normal form. 778/104443 useless extension candidates. Maximal degree in co-relation 608023. Up to 19313 conditions per place. [2022-12-06 16:57:14,575 INFO L137 encePairwiseOnDemand]: 312/332 looper letters, 254 selfloop transitions, 42 changer transitions 10513/11155 dead transitions. [2022-12-06 16:57:14,575 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1676 places, 11155 transitions, 483571 flow [2022-12-06 16:57:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-12-06 16:57:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2022-12-06 16:57:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 16044 transitions. [2022-12-06 16:57:14,581 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.819072901776598 [2022-12-06 16:57:14,582 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 1358 predicate places. [2022-12-06 16:57:14,582 INFO L495 AbstractCegarLoop]: Abstraction has has 1676 places, 11155 transitions, 483571 flow [2022-12-06 16:57:14,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 268.11764705882354) internal successors, (4558), 17 states have internal predecessors, (4558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:57:14,582 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:57:14,582 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:57:14,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-06 16:57:14,583 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:57:14,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:57:14,583 INFO L85 PathProgramCache]: Analyzing trace with hash 999057514, now seen corresponding path program 13 times [2022-12-06 16:57:14,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:57:14,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446990237] [2022-12-06 16:57:14,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:57:14,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:57:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:57:15,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:57:15,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:57:15,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446990237] [2022-12-06 16:57:15,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446990237] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:57:15,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:57:15,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-06 16:57:15,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923550442] [2022-12-06 16:57:15,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:57:15,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-06 16:57:15,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:57:15,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-06 16:57:15,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-06 16:57:15,173 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 332 [2022-12-06 16:57:15,174 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1676 places, 11155 transitions, 483571 flow. Second operand has 14 states, 14 states have (on average 270.64285714285717) internal successors, (3789), 14 states have internal predecessors, (3789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:57:15,174 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:57:15,174 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 332 [2022-12-06 16:57:15,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:58:51,137 INFO L130 PetriNetUnfolder]: 36584/109834 cut-off events. [2022-12-06 16:58:51,137 INFO L131 PetriNetUnfolder]: For 3689264/3770661 co-relation queries the response was YES. [2022-12-06 16:58:51,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185570 conditions, 109834 events. 36584/109834 cut-off events. For 3689264/3770661 co-relation queries the response was YES. Maximal size of possible extension queue 3785. Compared 1608668 event pairs, 3175 based on Foata normal form. 794/105560 useless extension candidates. Maximal degree in co-relation 637954. Up to 19532 conditions per place. [2022-12-06 16:58:51,750 INFO L137 encePairwiseOnDemand]: 314/332 looper letters, 247 selfloop transitions, 35 changer transitions 10666/11300 dead transitions. [2022-12-06 16:58:51,751 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1729 places, 11300 transitions, 511274 flow [2022-12-06 16:58:51,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-12-06 16:58:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2022-12-06 16:58:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 14783 transitions. [2022-12-06 16:58:51,756 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8245760821062026 [2022-12-06 16:58:51,757 INFO L294 CegarLoopForPetriNet]: 318 programPoint places, 1411 predicate places. [2022-12-06 16:58:51,757 INFO L495 AbstractCegarLoop]: Abstraction has has 1729 places, 11300 transitions, 511274 flow [2022-12-06 16:58:51,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 270.64285714285717) internal successors, (3789), 14 states have internal predecessors, (3789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:58:51,757 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:58:51,757 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:58:51,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-06 16:58:51,758 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:58:51,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:58:51,758 INFO L85 PathProgramCache]: Analyzing trace with hash 415847954, now seen corresponding path program 14 times [2022-12-06 16:58:51,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:58:51,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963738454] [2022-12-06 16:58:51,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:58:51,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:58:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-12-06 16:58:52,062 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 16:58:52,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-06 16:58:52,067 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:152) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:848) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:776) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:350) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 16:58:52,087 INFO L158 Benchmark]: Toolchain (without parser) took 762828.23ms. Allocated memory was 187.7MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 152.3MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2022-12-06 16:58:52,087 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 164.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:58:52,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5285.42ms. Allocated memory was 187.7MB in the beginning and 298.8MB in the end (delta: 111.1MB). Free memory was 151.5MB in the beginning and 198.6MB in the end (delta: -47.1MB). Peak memory consumption was 109.0MB. Max. memory is 8.0GB. [2022-12-06 16:58:52,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.42ms. Allocated memory is still 298.8MB. Free memory was 198.1MB in the beginning and 189.2MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-06 16:58:52,088 INFO L158 Benchmark]: Boogie Preprocessor took 33.27ms. Allocated memory is still 298.8MB. Free memory was 189.2MB in the beginning and 185.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-06 16:58:52,088 INFO L158 Benchmark]: RCFGBuilder took 825.35ms. Allocated memory is still 298.8MB. Free memory was 185.0MB in the beginning and 143.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2022-12-06 16:58:52,088 INFO L158 Benchmark]: TraceAbstraction took 756550.82ms. Allocated memory was 298.8MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 142.0MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2022-12-06 16:58:52,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 164.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5285.42ms. Allocated memory was 187.7MB in the beginning and 298.8MB in the end (delta: 111.1MB). Free memory was 151.5MB in the beginning and 198.6MB in the end (delta: -47.1MB). Peak memory consumption was 109.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 127.42ms. Allocated memory is still 298.8MB. Free memory was 198.1MB in the beginning and 189.2MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.27ms. Allocated memory is still 298.8MB. Free memory was 189.2MB in the beginning and 185.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 825.35ms. Allocated memory is still 298.8MB. Free memory was 185.0MB in the beginning and 143.0MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 756550.82ms. Allocated memory was 298.8MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 142.0MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown