/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 18:42:46,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:42:46,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:42:46,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:42:46,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:42:46,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:42:46,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:42:46,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:42:46,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:42:46,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:42:46,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:42:46,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:42:46,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:42:46,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:42:46,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:42:46,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:42:46,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:42:46,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:42:46,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:42:46,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:42:46,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:42:46,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:42:46,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:42:46,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:42:46,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 18:42:46,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 18:42:46,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 18:42:46,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 18:42:46,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 18:42:46,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 18:42:46,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 18:42:46,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 18:42:46,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 18:42:46,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 18:42:46,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 18:42:46,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 18:42:46,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 18:42:46,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 18:42:46,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:42:46,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:42:46,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:42:46,478 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 [2022-12-05 18:42:46,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:42:46,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:42:46,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:42:46,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:42:46,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:42:46,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:42:46,506 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:42:46,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:42:46,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:42:46,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:42:46,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:42:46,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:42:46,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:42:46,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:42:46,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:42:46,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:42:46,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:42:46,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:42:46,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:42:46,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:42:46,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:42:46,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:42:46,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:42:46,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:42:46,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:42:46,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:42:46,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:42:46,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:42:46,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:42:46,509 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:42:46,509 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:42:46,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:42:46,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:42:46,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:42:46,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:42:46,807 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:42:46,807 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:42:46,808 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-05 18:42:47,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:42:48,120 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:42:48,121 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-05 18:42:48,151 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/543035a96/9e59c350e1f74e6fbe1c8bb0f957353b/FLAGd13b57a14 [2022-12-05 18:42:48,164 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/543035a96/9e59c350e1f74e6fbe1c8bb0f957353b [2022-12-05 18:42:48,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:42:48,167 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:42:48,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:42:48,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:42:48,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:42:48,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:42:48" (1/1) ... [2022-12-05 18:42:48,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a798f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:48, skipping insertion in model container [2022-12-05 18:42:48,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:42:48" (1/1) ... [2022-12-05 18:42:48,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:42:48,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:42:48,547 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-12-05 18:42:48,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:48,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:48,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:48,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:48,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:48,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:49,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:49,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:49,076 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:49,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:49,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:49,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:49,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:49,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:49,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:49,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:49,090 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:49,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:49,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:49,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:49,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:49,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:49,391 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:42:49,396 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:42:49,401 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:42:49,408 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:42:49,530 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:42:49,534 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:42:49,634 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:42:49,921 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:42:49,933 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:42:50,040 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:42:50,044 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:42:50,269 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:42:50,272 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:42:50,274 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:42:50,347 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:42:50,348 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:42:50,352 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:42:50,352 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:42:50,491 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:42:50,521 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:42:50,668 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:42:50,671 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:42:50,994 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:42:51,282 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:42:51,283 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:42:51,283 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:42:52,928 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:42:52,929 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:42:52,937 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:42:52,943 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:42:52,952 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:42:53,903 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 18:42:53,910 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 18:42:53,917 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 18:42:53,929 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 18:42:53,929 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 18:42:53,934 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 18:42:54,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:42:54,050 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:42:54,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-12-05 18:42:54,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:42:54,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:42:54,083 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:42:54,083 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:42:54,083 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:42:54,084 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:42:54,087 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:42:54,087 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:42:54,089 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:42:54,097 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:42:54,098 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:42:54,100 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:42:54,100 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:42:54,106 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:42:54,107 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:42:54,108 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:42:54,112 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:42:54,112 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:42:54,112 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:42:54,112 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:42:54,119 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:42:54,121 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:42:54,125 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:42:54,126 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:42:54,128 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:42:54,131 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:42:54,132 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:42:54,132 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:42:54,192 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:42:54,192 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:42:54,195 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:42:54,199 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:42:54,202 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:42:54,235 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 18:42:54,236 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 18:42:54,237 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 18:42:54,238 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 18:42:54,239 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 18:42:54,239 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 18:42:54,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:42:54,594 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:42:54,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54 WrapperNode [2022-12-05 18:42:54,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:42:54,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:42:54,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:42:54,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:42:54,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,702 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-05 18:42:54,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:42:54,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:42:54,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:42:54,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:42:54,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:42:54,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:42:54,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:42:54,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:42:54,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (1/1) ... [2022-12-05 18:42:54,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:42:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:42:54,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 18:42:54,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 18:42:54,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-05 18:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:42:54,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:42:54,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 18:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 18:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2022-12-05 18:42:54,826 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2022-12-05 18:42:54,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:42:54,827 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 18:42:55,156 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:42:55,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:42:55,515 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:42:55,543 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:42:55,543 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-05 18:42:55,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:42:55 BoogieIcfgContainer [2022-12-05 18:42:55,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:42:55,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:42:55,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:42:55,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:42:55,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:42:48" (1/3) ... [2022-12-05 18:42:55,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b77a06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:42:55, skipping insertion in model container [2022-12-05 18:42:55,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:42:54" (2/3) ... [2022-12-05 18:42:55,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b77a06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:42:55, skipping insertion in model container [2022-12-05 18:42:55,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:42:55" (3/3) ... [2022-12-05 18:42:55,550 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-05 18:42:55,562 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:42:55,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 18:42:55,563 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:42:55,637 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 18:42:55,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 331 transitions, 678 flow [2022-12-05 18:42:55,740 INFO L130 PetriNetUnfolder]: 11/329 cut-off events. [2022-12-05 18:42:55,740 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 18:42:55,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 329 events. 11/329 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 310 event pairs, 0 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 274. Up to 4 conditions per place. [2022-12-05 18:42:55,747 INFO L82 GeneralOperation]: Start removeDead. Operand has 327 places, 331 transitions, 678 flow [2022-12-05 18:42:55,752 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 321 transitions, 651 flow [2022-12-05 18:42:55,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:42:55,763 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;@66edf9a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:42:55,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 18:42:55,837 INFO L130 PetriNetUnfolder]: 7/288 cut-off events. [2022-12-05 18:42:55,837 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 18:42:55,837 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:42:55,838 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] [2022-12-05 18:42:55,838 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:42:55,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:42:55,843 INFO L85 PathProgramCache]: Analyzing trace with hash 290203800, now seen corresponding path program 1 times [2022-12-05 18:42:55,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:42:55,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821840404] [2022-12-05 18:42:55,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:42:55,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:42:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:42:56,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:42:56,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:42:56,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821840404] [2022-12-05 18:42:56,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821840404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:42:56,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:42:56,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-05 18:42:56,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44303824] [2022-12-05 18:42:56,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:42:56,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 18:42:56,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:42:56,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 18:42:56,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-05 18:42:56,838 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 331 [2022-12-05 18:42:56,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 321 transitions, 651 flow. Second operand has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:42:56,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:42:56,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 331 [2022-12-05 18:42:56,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:42:57,475 INFO L130 PetriNetUnfolder]: 340/1892 cut-off events. [2022-12-05 18:42:57,475 INFO L131 PetriNetUnfolder]: For 72/74 co-relation queries the response was YES. [2022-12-05 18:42:57,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2554 conditions, 1892 events. 340/1892 cut-off events. For 72/74 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 13367 event pairs, 128 based on Foata normal form. 8/1772 useless extension candidates. Maximal degree in co-relation 2180. Up to 320 conditions per place. [2022-12-05 18:42:57,486 INFO L137 encePairwiseOnDemand]: 318/331 looper letters, 62 selfloop transitions, 9 changer transitions 41/379 dead transitions. [2022-12-05 18:42:57,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 379 transitions, 1028 flow [2022-12-05 18:42:57,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-05 18:42:57,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-05 18:42:57,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3440 transitions. [2022-12-05 18:42:57,502 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8660624370594159 [2022-12-05 18:42:57,503 INFO L175 Difference]: Start difference. First operand has 317 places, 321 transitions, 651 flow. Second operand 12 states and 3440 transitions. [2022-12-05 18:42:57,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 379 transitions, 1028 flow [2022-12-05 18:42:57,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 379 transitions, 1007 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 18:42:57,514 INFO L231 Difference]: Finished difference. Result has 333 places, 324 transitions, 737 flow [2022-12-05 18:42:57,516 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=737, PETRI_PLACES=333, PETRI_TRANSITIONS=324} [2022-12-05 18:42:57,518 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 16 predicate places. [2022-12-05 18:42:57,518 INFO L495 AbstractCegarLoop]: Abstraction has has 333 places, 324 transitions, 737 flow [2022-12-05 18:42:57,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 283.0) internal successors, (1698), 6 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:42:57,520 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:42:57,520 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] [2022-12-05 18:42:57,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:42:57,520 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:42:57,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:42:57,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1231316228, now seen corresponding path program 1 times [2022-12-05 18:42:57,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:42:57,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642885286] [2022-12-05 18:42:57,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:42:57,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:42:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:42:58,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:42:58,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:42:58,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642885286] [2022-12-05 18:42:58,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642885286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:42:58,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:42:58,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-05 18:42:58,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566552148] [2022-12-05 18:42:58,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:42:58,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-05 18:42:58,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:42:58,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-05 18:42:58,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-12-05 18:42:58,281 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 331 [2022-12-05 18:42:58,284 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 324 transitions, 737 flow. Second operand has 12 states, 12 states have (on average 255.16666666666666) internal successors, (3062), 12 states have internal predecessors, (3062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:42:58,285 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:42:58,285 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 331 [2022-12-05 18:42:58,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:42:58,997 INFO L130 PetriNetUnfolder]: 290/1836 cut-off events. [2022-12-05 18:42:58,997 INFO L131 PetriNetUnfolder]: For 1840/2042 co-relation queries the response was YES. [2022-12-05 18:42:59,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3219 conditions, 1836 events. 290/1836 cut-off events. For 1840/2042 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12775 event pairs, 13 based on Foata normal form. 7/1734 useless extension candidates. Maximal degree in co-relation 2847. Up to 230 conditions per place. [2022-12-05 18:42:59,005 INFO L137 encePairwiseOnDemand]: 316/331 looper letters, 90 selfloop transitions, 15 changer transitions 29/376 dead transitions. [2022-12-05 18:42:59,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 376 transitions, 1318 flow [2022-12-05 18:42:59,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-05 18:42:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-05 18:42:59,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 4630 transitions. [2022-12-05 18:42:59,012 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7771064115474992 [2022-12-05 18:42:59,012 INFO L175 Difference]: Start difference. First operand has 333 places, 324 transitions, 737 flow. Second operand 18 states and 4630 transitions. [2022-12-05 18:42:59,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 376 transitions, 1318 flow [2022-12-05 18:42:59,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 376 transitions, 1298 flow, removed 10 selfloop flow, removed 3 redundant places. [2022-12-05 18:42:59,022 INFO L231 Difference]: Finished difference. Result has 350 places, 325 transitions, 811 flow [2022-12-05 18:42:59,022 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=729, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=811, PETRI_PLACES=350, PETRI_TRANSITIONS=325} [2022-12-05 18:42:59,023 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 33 predicate places. [2022-12-05 18:42:59,023 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 325 transitions, 811 flow [2022-12-05 18:42:59,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 255.16666666666666) internal successors, (3062), 12 states have internal predecessors, (3062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:42:59,025 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:42:59,025 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] [2022-12-05 18:42:59,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 18:42:59,025 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:42:59,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:42:59,026 INFO L85 PathProgramCache]: Analyzing trace with hash 415412162, now seen corresponding path program 1 times [2022-12-05 18:42:59,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:42:59,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253892716] [2022-12-05 18:42:59,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:42:59,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:42:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:00,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:00,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253892716] [2022-12-05 18:43:00,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253892716] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:00,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:00,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:43:00,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641506941] [2022-12-05 18:43:00,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:00,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:43:00,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:00,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:43:00,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:43:00,062 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:43:00,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 325 transitions, 811 flow. Second operand has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:00,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:00,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:43:00,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:01,206 INFO L130 PetriNetUnfolder]: 618/2735 cut-off events. [2022-12-05 18:43:01,206 INFO L131 PetriNetUnfolder]: For 3381/3385 co-relation queries the response was YES. [2022-12-05 18:43:01,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5211 conditions, 2735 events. 618/2735 cut-off events. For 3381/3385 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 20642 event pairs, 48 based on Foata normal form. 6/2622 useless extension candidates. Maximal degree in co-relation 4877. Up to 488 conditions per place. [2022-12-05 18:43:01,221 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 100 selfloop transitions, 22 changer transitions 66/444 dead transitions. [2022-12-05 18:43:01,221 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 444 transitions, 1709 flow [2022-12-05 18:43:01,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-05 18:43:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2022-12-05 18:43:01,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 7366 transitions. [2022-12-05 18:43:01,232 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8242139420387155 [2022-12-05 18:43:01,232 INFO L175 Difference]: Start difference. First operand has 350 places, 325 transitions, 811 flow. Second operand 27 states and 7366 transitions. [2022-12-05 18:43:01,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 444 transitions, 1709 flow [2022-12-05 18:43:01,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 444 transitions, 1579 flow, removed 36 selfloop flow, removed 17 redundant places. [2022-12-05 18:43:01,246 INFO L231 Difference]: Finished difference. Result has 374 places, 334 transitions, 926 flow [2022-12-05 18:43:01,247 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=325, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=926, PETRI_PLACES=374, PETRI_TRANSITIONS=334} [2022-12-05 18:43:01,248 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 57 predicate places. [2022-12-05 18:43:01,248 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 334 transitions, 926 flow [2022-12-05 18:43:01,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:01,250 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:01,250 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] [2022-12-05 18:43:01,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 18:43:01,251 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:01,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:01,251 INFO L85 PathProgramCache]: Analyzing trace with hash -821581140, now seen corresponding path program 2 times [2022-12-05 18:43:01,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:01,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956278600] [2022-12-05 18:43:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:01,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:02,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:02,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:02,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956278600] [2022-12-05 18:43:02,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956278600] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:02,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:02,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:43:02,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112644904] [2022-12-05 18:43:02,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:02,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:43:02,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:02,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:43:02,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:43:02,147 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:43:02,162 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 334 transitions, 926 flow. Second operand has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:02,162 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:02,162 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:43:02,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:04,162 INFO L130 PetriNetUnfolder]: 1152/5125 cut-off events. [2022-12-05 18:43:04,162 INFO L131 PetriNetUnfolder]: For 11522/11558 co-relation queries the response was YES. [2022-12-05 18:43:04,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11075 conditions, 5125 events. 1152/5125 cut-off events. For 11522/11558 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 48672 event pairs, 115 based on Foata normal form. 12/4874 useless extension candidates. Maximal degree in co-relation 10424. Up to 523 conditions per place. [2022-12-05 18:43:04,199 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 164 selfloop transitions, 42 changer transitions 71/533 dead transitions. [2022-12-05 18:43:04,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 533 transitions, 2596 flow [2022-12-05 18:43:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-05 18:43:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2022-12-05 18:43:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 9840 transitions. [2022-12-05 18:43:04,215 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8257804632426989 [2022-12-05 18:43:04,215 INFO L175 Difference]: Start difference. First operand has 374 places, 334 transitions, 926 flow. Second operand 36 states and 9840 transitions. [2022-12-05 18:43:04,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 533 transitions, 2596 flow [2022-12-05 18:43:04,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 533 transitions, 2405 flow, removed 77 selfloop flow, removed 15 redundant places. [2022-12-05 18:43:04,258 INFO L231 Difference]: Finished difference. Result has 402 places, 360 transitions, 1301 flow [2022-12-05 18:43:04,258 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=1301, PETRI_PLACES=402, PETRI_TRANSITIONS=360} [2022-12-05 18:43:04,259 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 85 predicate places. [2022-12-05 18:43:04,259 INFO L495 AbstractCegarLoop]: Abstraction has has 402 places, 360 transitions, 1301 flow [2022-12-05 18:43:04,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:04,261 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:04,262 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] [2022-12-05 18:43:04,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 18:43:04,262 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:04,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:04,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1421797584, now seen corresponding path program 3 times [2022-12-05 18:43:04,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:04,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118787296] [2022-12-05 18:43:04,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:04,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:05,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:05,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:05,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118787296] [2022-12-05 18:43:05,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118787296] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:05,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:05,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:43:05,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584056726] [2022-12-05 18:43:05,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:05,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:43:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:05,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:43:05,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:43:05,187 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:43:05,190 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 360 transitions, 1301 flow. Second operand has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:05,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:05,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:43:05,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:06,927 INFO L130 PetriNetUnfolder]: 1456/6596 cut-off events. [2022-12-05 18:43:06,927 INFO L131 PetriNetUnfolder]: For 26688/26778 co-relation queries the response was YES. [2022-12-05 18:43:06,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15278 conditions, 6596 events. 1456/6596 cut-off events. For 26688/26778 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 67384 event pairs, 220 based on Foata normal form. 21/6249 useless extension candidates. Maximal degree in co-relation 14280. Up to 1079 conditions per place. [2022-12-05 18:43:07,012 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 144 selfloop transitions, 56 changer transitions 42/498 dead transitions. [2022-12-05 18:43:07,013 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 498 transitions, 2785 flow [2022-12-05 18:43:07,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-05 18:43:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2022-12-05 18:43:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 7119 transitions. [2022-12-05 18:43:07,023 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8272135719265629 [2022-12-05 18:43:07,026 INFO L175 Difference]: Start difference. First operand has 402 places, 360 transitions, 1301 flow. Second operand 26 states and 7119 transitions. [2022-12-05 18:43:07,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 498 transitions, 2785 flow [2022-12-05 18:43:07,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 498 transitions, 2612 flow, removed 72 selfloop flow, removed 12 redundant places. [2022-12-05 18:43:07,078 INFO L231 Difference]: Finished difference. Result has 418 places, 378 transitions, 1652 flow [2022-12-05 18:43:07,078 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1223, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1652, PETRI_PLACES=418, PETRI_TRANSITIONS=378} [2022-12-05 18:43:07,081 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 101 predicate places. [2022-12-05 18:43:07,081 INFO L495 AbstractCegarLoop]: Abstraction has has 418 places, 378 transitions, 1652 flow [2022-12-05 18:43:07,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:07,082 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:07,082 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] [2022-12-05 18:43:07,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 18:43:07,082 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:07,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:07,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1070621370, now seen corresponding path program 4 times [2022-12-05 18:43:07,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:07,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280970099] [2022-12-05 18:43:07,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:07,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:07,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:07,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280970099] [2022-12-05 18:43:07,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280970099] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:07,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:07,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:43:07,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845406513] [2022-12-05 18:43:07,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:07,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:43:07,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:07,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:43:07,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:43:07,870 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:43:07,875 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 378 transitions, 1652 flow. Second operand has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:07,875 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:07,875 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:43:07,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:09,959 INFO L130 PetriNetUnfolder]: 1724/7963 cut-off events. [2022-12-05 18:43:09,960 INFO L131 PetriNetUnfolder]: For 49809/49927 co-relation queries the response was YES. [2022-12-05 18:43:10,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19412 conditions, 7963 events. 1724/7963 cut-off events. For 49809/49927 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 85436 event pairs, 248 based on Foata normal form. 30/7516 useless extension candidates. Maximal degree in co-relation 18946. Up to 1271 conditions per place. [2022-12-05 18:43:10,032 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 148 selfloop transitions, 68 changer transitions 70/542 dead transitions. [2022-12-05 18:43:10,032 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 542 transitions, 3358 flow [2022-12-05 18:43:10,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-12-05 18:43:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2022-12-05 18:43:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 9539 transitions. [2022-12-05 18:43:10,041 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8233923176521364 [2022-12-05 18:43:10,041 INFO L175 Difference]: Start difference. First operand has 418 places, 378 transitions, 1652 flow. Second operand 35 states and 9539 transitions. [2022-12-05 18:43:10,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 542 transitions, 3358 flow [2022-12-05 18:43:10,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 542 transitions, 3199 flow, removed 49 selfloop flow, removed 11 redundant places. [2022-12-05 18:43:10,172 INFO L231 Difference]: Finished difference. Result has 449 places, 396 transitions, 2062 flow [2022-12-05 18:43:10,173 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1568, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=2062, PETRI_PLACES=449, PETRI_TRANSITIONS=396} [2022-12-05 18:43:10,173 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 132 predicate places. [2022-12-05 18:43:10,174 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 396 transitions, 2062 flow [2022-12-05 18:43:10,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:10,175 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:10,175 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] [2022-12-05 18:43:10,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-05 18:43:10,175 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:10,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:10,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1767720252, now seen corresponding path program 5 times [2022-12-05 18:43:10,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:10,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296370841] [2022-12-05 18:43:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:10,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:10,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:10,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296370841] [2022-12-05 18:43:10,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296370841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:10,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:10,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:43:10,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603758518] [2022-12-05 18:43:10,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:10,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:43:10,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:10,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:43:10,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:43:10,883 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:43:10,886 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 396 transitions, 2062 flow. Second operand has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:10,886 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:10,886 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:43:10,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:13,341 INFO L130 PetriNetUnfolder]: 1638/7640 cut-off events. [2022-12-05 18:43:13,341 INFO L131 PetriNetUnfolder]: For 63948/64069 co-relation queries the response was YES. [2022-12-05 18:43:13,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19555 conditions, 7640 events. 1638/7640 cut-off events. For 63948/64069 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 81674 event pairs, 168 based on Foata normal form. 31/7204 useless extension candidates. Maximal degree in co-relation 19108. Up to 807 conditions per place. [2022-12-05 18:43:13,394 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 205 selfloop transitions, 64 changer transitions 43/568 dead transitions. [2022-12-05 18:43:13,395 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 568 transitions, 3939 flow [2022-12-05 18:43:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-12-05 18:43:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2022-12-05 18:43:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 10109 transitions. [2022-12-05 18:43:13,403 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8254266350943088 [2022-12-05 18:43:13,403 INFO L175 Difference]: Start difference. First operand has 449 places, 396 transitions, 2062 flow. Second operand 37 states and 10109 transitions. [2022-12-05 18:43:13,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 568 transitions, 3939 flow [2022-12-05 18:43:13,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 568 transitions, 3624 flow, removed 137 selfloop flow, removed 11 redundant places. [2022-12-05 18:43:13,534 INFO L231 Difference]: Finished difference. Result has 472 places, 403 transitions, 2225 flow [2022-12-05 18:43:13,535 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1913, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=2225, PETRI_PLACES=472, PETRI_TRANSITIONS=403} [2022-12-05 18:43:13,536 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 155 predicate places. [2022-12-05 18:43:13,536 INFO L495 AbstractCegarLoop]: Abstraction has has 472 places, 403 transitions, 2225 flow [2022-12-05 18:43:13,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:13,537 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:13,537 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] [2022-12-05 18:43:13,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-05 18:43:13,537 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:13,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:13,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1845910158, now seen corresponding path program 6 times [2022-12-05 18:43:13,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:13,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131152605] [2022-12-05 18:43:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:13,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:14,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:14,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:14,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131152605] [2022-12-05 18:43:14,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131152605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:14,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:14,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:43:14,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811288952] [2022-12-05 18:43:14,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:14,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:43:14,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:14,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:43:14,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:43:14,243 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:43:14,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 403 transitions, 2225 flow. Second operand has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:14,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:14,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:43:14,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:16,700 INFO L130 PetriNetUnfolder]: 1844/8656 cut-off events. [2022-12-05 18:43:16,700 INFO L131 PetriNetUnfolder]: For 79247/79365 co-relation queries the response was YES. [2022-12-05 18:43:16,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22617 conditions, 8656 events. 1844/8656 cut-off events. For 79247/79365 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 95818 event pairs, 290 based on Foata normal form. 30/8161 useless extension candidates. Maximal degree in co-relation 22335. Up to 1151 conditions per place. [2022-12-05 18:43:16,786 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 188 selfloop transitions, 73 changer transitions 39/556 dead transitions. [2022-12-05 18:43:16,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 556 transitions, 4083 flow [2022-12-05 18:43:16,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-12-05 18:43:16,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2022-12-05 18:43:16,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 8742 transitions. [2022-12-05 18:43:16,793 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8253398791540786 [2022-12-05 18:43:16,793 INFO L175 Difference]: Start difference. First operand has 472 places, 403 transitions, 2225 flow. Second operand 32 states and 8742 transitions. [2022-12-05 18:43:16,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 556 transitions, 4083 flow [2022-12-05 18:43:16,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 484 places, 556 transitions, 3881 flow, removed 53 selfloop flow, removed 14 redundant places. [2022-12-05 18:43:16,931 INFO L231 Difference]: Finished difference. Result has 497 places, 419 transitions, 2590 flow [2022-12-05 18:43:16,931 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=2073, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=2590, PETRI_PLACES=497, PETRI_TRANSITIONS=419} [2022-12-05 18:43:16,933 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 180 predicate places. [2022-12-05 18:43:16,933 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 419 transitions, 2590 flow [2022-12-05 18:43:16,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:16,934 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:16,934 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] [2022-12-05 18:43:16,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-05 18:43:16,935 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:16,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:16,935 INFO L85 PathProgramCache]: Analyzing trace with hash -808923364, now seen corresponding path program 7 times [2022-12-05 18:43:16,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:16,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158506977] [2022-12-05 18:43:16,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:17,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:17,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158506977] [2022-12-05 18:43:17,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158506977] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:17,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:17,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-05 18:43:17,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091709342] [2022-12-05 18:43:17,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:17,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-05 18:43:17,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:17,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-05 18:43:17,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-12-05 18:43:17,836 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 331 [2022-12-05 18:43:17,839 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 419 transitions, 2590 flow. Second operand has 16 states, 16 states have (on average 249.25) internal successors, (3988), 16 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:17,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:17,839 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 331 [2022-12-05 18:43:17,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:19,976 INFO L130 PetriNetUnfolder]: 1806/8569 cut-off events. [2022-12-05 18:43:19,976 INFO L131 PetriNetUnfolder]: For 101599/101813 co-relation queries the response was YES. [2022-12-05 18:43:20,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23412 conditions, 8569 events. 1806/8569 cut-off events. For 101599/101813 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 94908 event pairs, 356 based on Foata normal form. 32/8110 useless extension candidates. Maximal degree in co-relation 23114. Up to 1938 conditions per place. [2022-12-05 18:43:20,063 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 150 selfloop transitions, 79 changer transitions 26/492 dead transitions. [2022-12-05 18:43:20,063 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 492 transitions, 3936 flow [2022-12-05 18:43:20,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-05 18:43:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2022-12-05 18:43:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 6292 transitions. [2022-12-05 18:43:20,068 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7603625377643505 [2022-12-05 18:43:20,069 INFO L175 Difference]: Start difference. First operand has 497 places, 419 transitions, 2590 flow. Second operand 25 states and 6292 transitions. [2022-12-05 18:43:20,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 492 transitions, 3936 flow [2022-12-05 18:43:20,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 492 transitions, 3769 flow, removed 55 selfloop flow, removed 13 redundant places. [2022-12-05 18:43:20,203 INFO L231 Difference]: Finished difference. Result has 514 places, 426 transitions, 2865 flow [2022-12-05 18:43:20,204 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=2436, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=2865, PETRI_PLACES=514, PETRI_TRANSITIONS=426} [2022-12-05 18:43:20,204 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 197 predicate places. [2022-12-05 18:43:20,205 INFO L495 AbstractCegarLoop]: Abstraction has has 514 places, 426 transitions, 2865 flow [2022-12-05 18:43:20,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 249.25) internal successors, (3988), 16 states have internal predecessors, (3988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:20,206 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:20,206 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] [2022-12-05 18:43:20,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-05 18:43:20,206 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:20,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:20,207 INFO L85 PathProgramCache]: Analyzing trace with hash 186963598, now seen corresponding path program 8 times [2022-12-05 18:43:20,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:20,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444466656] [2022-12-05 18:43:20,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:20,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:20,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:20,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444466656] [2022-12-05 18:43:20,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444466656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:20,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:20,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:43:20,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041771387] [2022-12-05 18:43:20,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:20,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:43:20,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:20,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:43:20,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:43:20,949 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:43:20,958 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 426 transitions, 2865 flow. Second operand has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:20,958 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:20,958 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:43:20,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:23,472 INFO L130 PetriNetUnfolder]: 1800/8533 cut-off events. [2022-12-05 18:43:23,472 INFO L131 PetriNetUnfolder]: For 126782/126946 co-relation queries the response was YES. [2022-12-05 18:43:23,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24022 conditions, 8533 events. 1800/8533 cut-off events. For 126782/126946 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 94363 event pairs, 260 based on Foata normal form. 40/8063 useless extension candidates. Maximal degree in co-relation 23701. Up to 1133 conditions per place. [2022-12-05 18:43:23,552 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 227 selfloop transitions, 74 changer transitions 42/599 dead transitions. [2022-12-05 18:43:23,553 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 547 places, 599 transitions, 4885 flow [2022-12-05 18:43:23,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-05 18:43:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2022-12-05 18:43:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 10379 transitions. [2022-12-05 18:43:23,560 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8251709333757354 [2022-12-05 18:43:23,561 INFO L175 Difference]: Start difference. First operand has 514 places, 426 transitions, 2865 flow. Second operand 38 states and 10379 transitions. [2022-12-05 18:43:23,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 547 places, 599 transitions, 4885 flow [2022-12-05 18:43:23,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 599 transitions, 4656 flow, removed 66 selfloop flow, removed 14 redundant places. [2022-12-05 18:43:23,731 INFO L231 Difference]: Finished difference. Result has 544 places, 432 transitions, 3032 flow [2022-12-05 18:43:23,732 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=2670, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=3032, PETRI_PLACES=544, PETRI_TRANSITIONS=432} [2022-12-05 18:43:23,733 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 227 predicate places. [2022-12-05 18:43:23,733 INFO L495 AbstractCegarLoop]: Abstraction has has 544 places, 432 transitions, 3032 flow [2022-12-05 18:43:23,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.5) internal successors, (3773), 14 states have internal predecessors, (3773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:23,734 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:23,735 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, 1, 1, 1] [2022-12-05 18:43:23,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-05 18:43:23,735 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:23,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:23,735 INFO L85 PathProgramCache]: Analyzing trace with hash 125025985, now seen corresponding path program 1 times [2022-12-05 18:43:23,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:23,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203863173] [2022-12-05 18:43:23,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:23,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:24,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:24,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203863173] [2022-12-05 18:43:24,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203863173] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:24,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:24,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:43:24,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959127732] [2022-12-05 18:43:24,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:24,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:43:24,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:24,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:43:24,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:43:24,439 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:43:24,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 432 transitions, 3032 flow. Second operand has 14 states, 14 states have (on average 269.64285714285717) internal successors, (3775), 14 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:24,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:24,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:43:24,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:27,314 INFO L130 PetriNetUnfolder]: 3073/11697 cut-off events. [2022-12-05 18:43:27,315 INFO L131 PetriNetUnfolder]: For 201537/201601 co-relation queries the response was YES. [2022-12-05 18:43:27,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37305 conditions, 11697 events. 3073/11697 cut-off events. For 201537/201601 co-relation queries the response was YES. Maximal size of possible extension queue 581. Compared 133901 event pairs, 114 based on Foata normal form. 18/11242 useless extension candidates. Maximal degree in co-relation 36994. Up to 1928 conditions per place. [2022-12-05 18:43:27,436 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 143 selfloop transitions, 79 changer transitions 147/635 dead transitions. [2022-12-05 18:43:27,436 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 635 transitions, 6330 flow [2022-12-05 18:43:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-05 18:43:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2022-12-05 18:43:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 6832 transitions. [2022-12-05 18:43:27,455 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.825619335347432 [2022-12-05 18:43:27,455 INFO L175 Difference]: Start difference. First operand has 544 places, 432 transitions, 3032 flow. Second operand 25 states and 6832 transitions. [2022-12-05 18:43:27,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 635 transitions, 6330 flow [2022-12-05 18:43:28,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 635 transitions, 5848 flow, removed 98 selfloop flow, removed 19 redundant places. [2022-12-05 18:43:28,090 INFO L231 Difference]: Finished difference. Result has 560 places, 442 transitions, 3330 flow [2022-12-05 18:43:28,091 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=2755, PETRI_DIFFERENCE_MINUEND_PLACES=520, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3330, PETRI_PLACES=560, PETRI_TRANSITIONS=442} [2022-12-05 18:43:28,091 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 243 predicate places. [2022-12-05 18:43:28,091 INFO L495 AbstractCegarLoop]: Abstraction has has 560 places, 442 transitions, 3330 flow [2022-12-05 18:43:28,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.64285714285717) internal successors, (3775), 14 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:28,092 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:28,092 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, 1, 1, 1] [2022-12-05 18:43:28,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-05 18:43:28,092 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:28,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:28,093 INFO L85 PathProgramCache]: Analyzing trace with hash -506868579, now seen corresponding path program 2 times [2022-12-05 18:43:28,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:28,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697803483] [2022-12-05 18:43:28,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:28,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:29,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:29,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:29,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697803483] [2022-12-05 18:43:29,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697803483] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:29,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:29,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-12-05 18:43:29,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135712147] [2022-12-05 18:43:29,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:29,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-05 18:43:29,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:29,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-05 18:43:29,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2022-12-05 18:43:29,932 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2022-12-05 18:43:29,936 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 442 transitions, 3330 flow. Second operand has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:29,936 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:29,936 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2022-12-05 18:43:29,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:43:47,236 INFO L130 PetriNetUnfolder]: 9555/34519 cut-off events. [2022-12-05 18:43:47,238 INFO L131 PetriNetUnfolder]: For 809143/810249 co-relation queries the response was YES. [2022-12-05 18:43:48,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119084 conditions, 34519 events. 9555/34519 cut-off events. For 809143/810249 co-relation queries the response was YES. Maximal size of possible extension queue 1271. Compared 454095 event pairs, 3183 based on Foata normal form. 352/32921 useless extension candidates. Maximal degree in co-relation 118303. Up to 5216 conditions per place. [2022-12-05 18:43:48,228 INFO L137 encePairwiseOnDemand]: 300/331 looper letters, 565 selfloop transitions, 233 changer transitions 370/1391 dead transitions. [2022-12-05 18:43:48,228 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 1391 transitions, 15781 flow [2022-12-05 18:43:48,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-12-05 18:43:48,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2022-12-05 18:43:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 30171 transitions. [2022-12-05 18:43:48,278 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7121176359516617 [2022-12-05 18:43:48,278 INFO L175 Difference]: Start difference. First operand has 560 places, 442 transitions, 3330 flow. Second operand 128 states and 30171 transitions. [2022-12-05 18:43:48,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 1391 transitions, 15781 flow [2022-12-05 18:43:52,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 1391 transitions, 15138 flow, removed 233 selfloop flow, removed 20 redundant places. [2022-12-05 18:43:52,274 INFO L231 Difference]: Finished difference. Result has 715 places, 606 transitions, 7948 flow [2022-12-05 18:43:52,275 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=3241, PETRI_DIFFERENCE_MINUEND_PLACES=530, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=128, PETRI_FLOW=7948, PETRI_PLACES=715, PETRI_TRANSITIONS=606} [2022-12-05 18:43:52,276 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 398 predicate places. [2022-12-05 18:43:52,276 INFO L495 AbstractCegarLoop]: Abstraction has has 715 places, 606 transitions, 7948 flow [2022-12-05 18:43:52,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:52,292 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:43:52,292 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, 1, 1, 1] [2022-12-05 18:43:52,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-05 18:43:52,292 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:43:52,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:43:52,293 INFO L85 PathProgramCache]: Analyzing trace with hash -514857701, now seen corresponding path program 3 times [2022-12-05 18:43:52,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:43:52,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447871978] [2022-12-05 18:43:52,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:43:52,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:43:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:43:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:43:54,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:43:54,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447871978] [2022-12-05 18:43:54,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447871978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:43:54,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:43:54,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-12-05 18:43:54,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452682545] [2022-12-05 18:43:54,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:43:54,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-05 18:43:54,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:43:54,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-05 18:43:54,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=630, Unknown=0, NotChecked=0, Total=702 [2022-12-05 18:43:54,338 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2022-12-05 18:43:54,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 715 places, 606 transitions, 7948 flow. Second operand has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:43:54,341 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:43:54,341 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2022-12-05 18:43:54,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:06,718 INFO L130 PetriNetUnfolder]: 9749/36251 cut-off events. [2022-12-05 18:44:06,718 INFO L131 PetriNetUnfolder]: For 1023359/1025403 co-relation queries the response was YES. [2022-12-05 18:44:08,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142836 conditions, 36251 events. 9749/36251 cut-off events. For 1023359/1025403 co-relation queries the response was YES. Maximal size of possible extension queue 1339. Compared 484482 event pairs, 4049 based on Foata normal form. 433/34908 useless extension candidates. Maximal degree in co-relation 142291. Up to 7251 conditions per place. [2022-12-05 18:44:08,325 INFO L137 encePairwiseOnDemand]: 299/331 looper letters, 352 selfloop transitions, 207 changer transitions 115/897 dead transitions. [2022-12-05 18:44:08,326 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 697 places, 897 transitions, 11961 flow [2022-12-05 18:44:08,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-12-05 18:44:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2022-12-05 18:44:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 9325 transitions. [2022-12-05 18:44:08,333 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7223642420017042 [2022-12-05 18:44:08,333 INFO L175 Difference]: Start difference. First operand has 715 places, 606 transitions, 7948 flow. Second operand 39 states and 9325 transitions. [2022-12-05 18:44:08,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 697 places, 897 transitions, 11961 flow [2022-12-05 18:44:17,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 897 transitions, 10387 flow, removed 769 selfloop flow, removed 38 redundant places. [2022-12-05 18:44:17,711 INFO L231 Difference]: Finished difference. Result has 672 places, 616 transitions, 7636 flow [2022-12-05 18:44:17,712 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=6983, PETRI_DIFFERENCE_MINUEND_PLACES=621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=606, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=7636, PETRI_PLACES=672, PETRI_TRANSITIONS=616} [2022-12-05 18:44:17,712 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 355 predicate places. [2022-12-05 18:44:17,714 INFO L495 AbstractCegarLoop]: Abstraction has has 672 places, 616 transitions, 7636 flow [2022-12-05 18:44:17,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:17,730 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:17,730 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, 1, 1, 1] [2022-12-05 18:44:17,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-05 18:44:17,730 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:44:17,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:17,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1403115309, now seen corresponding path program 4 times [2022-12-05 18:44:17,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:17,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289724261] [2022-12-05 18:44:17,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:17,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:18,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:18,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289724261] [2022-12-05 18:44:18,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289724261] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:18,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:44:18,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:44:18,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642222840] [2022-12-05 18:44:18,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:18,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:44:18,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:18,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:44:18,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:44:18,308 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:44:18,309 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 616 transitions, 7636 flow. Second operand has 14 states, 14 states have (on average 269.64285714285717) internal successors, (3775), 14 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:18,310 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:18,310 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:44:18,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:24,976 INFO L130 PetriNetUnfolder]: 6556/25823 cut-off events. [2022-12-05 18:44:24,976 INFO L131 PetriNetUnfolder]: For 382138/383314 co-relation queries the response was YES. [2022-12-05 18:44:25,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91376 conditions, 25823 events. 6556/25823 cut-off events. For 382138/383314 co-relation queries the response was YES. Maximal size of possible extension queue 1035. Compared 338923 event pairs, 660 based on Foata normal form. 225/25237 useless extension candidates. Maximal degree in co-relation 90955. Up to 3557 conditions per place. [2022-12-05 18:44:25,835 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 196 selfloop transitions, 162 changer transitions 115/761 dead transitions. [2022-12-05 18:44:25,835 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 761 transitions, 10286 flow [2022-12-05 18:44:25,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-05 18:44:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-05 18:44:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 5479 transitions. [2022-12-05 18:44:25,839 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8276435045317221 [2022-12-05 18:44:25,839 INFO L175 Difference]: Start difference. First operand has 672 places, 616 transitions, 7636 flow. Second operand 20 states and 5479 transitions. [2022-12-05 18:44:25,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 761 transitions, 10286 flow [2022-12-05 18:44:28,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 661 places, 761 transitions, 9784 flow, removed 144 selfloop flow, removed 21 redundant places. [2022-12-05 18:44:28,539 INFO L231 Difference]: Finished difference. Result has 666 places, 586 transitions, 6501 flow [2022-12-05 18:44:28,540 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=7166, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=616, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=6501, PETRI_PLACES=666, PETRI_TRANSITIONS=586} [2022-12-05 18:44:28,540 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 349 predicate places. [2022-12-05 18:44:28,540 INFO L495 AbstractCegarLoop]: Abstraction has has 666 places, 586 transitions, 6501 flow [2022-12-05 18:44:28,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.64285714285717) internal successors, (3775), 14 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:28,541 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:28,541 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, 1, 1, 1] [2022-12-05 18:44:28,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-05 18:44:28,542 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:44:28,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:28,542 INFO L85 PathProgramCache]: Analyzing trace with hash -853778777, now seen corresponding path program 5 times [2022-12-05 18:44:28,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:28,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577032771] [2022-12-05 18:44:28,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:28,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:34,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:34,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577032771] [2022-12-05 18:44:34,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577032771] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:34,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:44:34,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2022-12-05 18:44:34,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640037086] [2022-12-05 18:44:34,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:34,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-12-05 18:44:34,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:34,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-12-05 18:44:34,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1817, Unknown=0, NotChecked=0, Total=1980 [2022-12-05 18:44:34,480 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 331 [2022-12-05 18:44:34,485 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 586 transitions, 6501 flow. Second operand has 45 states, 45 states have (on average 189.66666666666666) internal successors, (8535), 45 states have internal predecessors, (8535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:34,485 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:34,485 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 331 [2022-12-05 18:44:34,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:46,717 INFO L130 PetriNetUnfolder]: 8977/33391 cut-off events. [2022-12-05 18:44:46,718 INFO L131 PetriNetUnfolder]: For 355561/357429 co-relation queries the response was YES. [2022-12-05 18:44:47,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103442 conditions, 33391 events. 8977/33391 cut-off events. For 355561/357429 co-relation queries the response was YES. Maximal size of possible extension queue 1003. Compared 435471 event pairs, 3373 based on Foata normal form. 720/32647 useless extension candidates. Maximal degree in co-relation 102909. Up to 6882 conditions per place. [2022-12-05 18:44:47,729 INFO L137 encePairwiseOnDemand]: 266/331 looper letters, 314 selfloop transitions, 174 changer transitions 202/871 dead transitions. [2022-12-05 18:44:47,730 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 721 places, 871 transitions, 11436 flow [2022-12-05 18:44:47,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-12-05 18:44:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2022-12-05 18:44:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 12134 transitions. [2022-12-05 18:44:47,752 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5818827027286242 [2022-12-05 18:44:47,752 INFO L175 Difference]: Start difference. First operand has 666 places, 586 transitions, 6501 flow. Second operand 63 states and 12134 transitions. [2022-12-05 18:44:47,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 721 places, 871 transitions, 11436 flow [2022-12-05 18:44:50,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 705 places, 871 transitions, 10762 flow, removed 82 selfloop flow, removed 16 redundant places. [2022-12-05 18:44:50,102 INFO L231 Difference]: Finished difference. Result has 724 places, 565 transitions, 6274 flow [2022-12-05 18:44:50,105 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=6143, PETRI_DIFFERENCE_MINUEND_PLACES=643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=586, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=63, PETRI_FLOW=6274, PETRI_PLACES=724, PETRI_TRANSITIONS=565} [2022-12-05 18:44:50,106 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 407 predicate places. [2022-12-05 18:44:50,106 INFO L495 AbstractCegarLoop]: Abstraction has has 724 places, 565 transitions, 6274 flow [2022-12-05 18:44:50,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 189.66666666666666) internal successors, (8535), 45 states have internal predecessors, (8535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:50,117 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:50,118 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, 1, 1, 1] [2022-12-05 18:44:50,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-05 18:44:50,118 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:44:50,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:50,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1148324239, now seen corresponding path program 6 times [2022-12-05 18:44:50,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:50,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106999812] [2022-12-05 18:44:50,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:50,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:51,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:51,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106999812] [2022-12-05 18:44:51,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106999812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:51,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:44:51,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-05 18:44:51,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854666051] [2022-12-05 18:44:51,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:51,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-05 18:44:51,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:51,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-05 18:44:51,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-12-05 18:44:51,075 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 331 [2022-12-05 18:44:51,077 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 724 places, 565 transitions, 6274 flow. Second operand has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:51,077 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:51,077 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 331 [2022-12-05 18:44:51,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:57,906 INFO L130 PetriNetUnfolder]: 6095/24959 cut-off events. [2022-12-05 18:44:57,906 INFO L131 PetriNetUnfolder]: For 302496/303659 co-relation queries the response was YES. [2022-12-05 18:44:58,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77656 conditions, 24959 events. 6095/24959 cut-off events. For 302496/303659 co-relation queries the response was YES. Maximal size of possible extension queue 791. Compared 317675 event pairs, 1571 based on Foata normal form. 290/24078 useless extension candidates. Maximal degree in co-relation 77328. Up to 6343 conditions per place. [2022-12-05 18:44:58,421 INFO L137 encePairwiseOnDemand]: 311/331 looper letters, 165 selfloop transitions, 95 changer transitions 193/716 dead transitions. [2022-12-05 18:44:58,421 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 714 places, 716 transitions, 8753 flow [2022-12-05 18:44:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-05 18:44:58,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2022-12-05 18:44:58,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 8127 transitions. [2022-12-05 18:44:58,425 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8184290030211481 [2022-12-05 18:44:58,425 INFO L175 Difference]: Start difference. First operand has 724 places, 565 transitions, 6274 flow. Second operand 30 states and 8127 transitions. [2022-12-05 18:44:58,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 714 places, 716 transitions, 8753 flow [2022-12-05 18:44:59,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 716 transitions, 8379 flow, removed 118 selfloop flow, removed 45 redundant places. [2022-12-05 18:44:59,579 INFO L231 Difference]: Finished difference. Result has 681 places, 478 transitions, 4526 flow [2022-12-05 18:44:59,580 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=5988, PETRI_DIFFERENCE_MINUEND_PLACES=640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=470, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=4526, PETRI_PLACES=681, PETRI_TRANSITIONS=478} [2022-12-05 18:44:59,580 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 364 predicate places. [2022-12-05 18:44:59,580 INFO L495 AbstractCegarLoop]: Abstraction has has 681 places, 478 transitions, 4526 flow [2022-12-05 18:44:59,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:59,581 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:59,581 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, 1, 1, 1] [2022-12-05 18:44:59,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-05 18:44:59,581 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:44:59,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:59,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1288133697, now seen corresponding path program 7 times [2022-12-05 18:44:59,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:59,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049929708] [2022-12-05 18:44:59,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:59,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:00,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:00,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049929708] [2022-12-05 18:45:00,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049929708] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:00,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:00,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-05 18:45:00,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688450263] [2022-12-05 18:45:00,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:00,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-05 18:45:00,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:00,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-05 18:45:00,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-12-05 18:45:00,256 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 331 [2022-12-05 18:45:00,257 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 681 places, 478 transitions, 4526 flow. Second operand has 16 states, 16 states have (on average 267.3125) internal successors, (4277), 16 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:00,257 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:00,257 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 331 [2022-12-05 18:45:00,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:06,103 INFO L130 PetriNetUnfolder]: 5189/21816 cut-off events. [2022-12-05 18:45:06,104 INFO L131 PetriNetUnfolder]: For 339978/340571 co-relation queries the response was YES. [2022-12-05 18:45:06,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69884 conditions, 21816 events. 5189/21816 cut-off events. For 339978/340571 co-relation queries the response was YES. Maximal size of possible extension queue 671. Compared 272849 event pairs, 862 based on Foata normal form. 162/21166 useless extension candidates. Maximal degree in co-relation 69750. Up to 1948 conditions per place. [2022-12-05 18:45:06,408 INFO L137 encePairwiseOnDemand]: 311/331 looper letters, 264 selfloop transitions, 118 changer transitions 180/825 dead transitions. [2022-12-05 18:45:06,408 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 825 transitions, 9540 flow [2022-12-05 18:45:06,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-12-05 18:45:06,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2022-12-05 18:45:06,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 11948 transitions. [2022-12-05 18:45:06,413 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8203790167536391 [2022-12-05 18:45:06,413 INFO L175 Difference]: Start difference. First operand has 681 places, 478 transitions, 4526 flow. Second operand 44 states and 11948 transitions. [2022-12-05 18:45:06,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 825 transitions, 9540 flow [2022-12-05 18:45:07,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 595 places, 825 transitions, 8260 flow, removed 221 selfloop flow, removed 64 redundant places. [2022-12-05 18:45:07,441 INFO L231 Difference]: Finished difference. Result has 605 places, 508 transitions, 4865 flow [2022-12-05 18:45:07,441 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=3929, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=4865, PETRI_PLACES=605, PETRI_TRANSITIONS=508} [2022-12-05 18:45:07,442 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 288 predicate places. [2022-12-05 18:45:07,442 INFO L495 AbstractCegarLoop]: Abstraction has has 605 places, 508 transitions, 4865 flow [2022-12-05 18:45:07,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 267.3125) internal successors, (4277), 16 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:07,442 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:07,443 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, 1, 1, 1] [2022-12-05 18:45:07,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-05 18:45:07,443 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:07,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:07,443 INFO L85 PathProgramCache]: Analyzing trace with hash -2145276289, now seen corresponding path program 8 times [2022-12-05 18:45:07,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:07,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132699684] [2022-12-05 18:45:07,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:07,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:08,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:08,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132699684] [2022-12-05 18:45:08,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132699684] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:08,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:08,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-12-05 18:45:08,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099739715] [2022-12-05 18:45:08,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:08,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-05 18:45:08,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:08,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-05 18:45:08,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-12-05 18:45:08,021 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 331 [2022-12-05 18:45:08,022 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 605 places, 508 transitions, 4865 flow. Second operand has 14 states, 14 states have (on average 269.64285714285717) internal successors, (3775), 14 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:08,022 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:08,022 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 331 [2022-12-05 18:45:08,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:11,745 INFO L130 PetriNetUnfolder]: 4153/16467 cut-off events. [2022-12-05 18:45:11,746 INFO L131 PetriNetUnfolder]: For 161618/162262 co-relation queries the response was YES. [2022-12-05 18:45:11,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47611 conditions, 16467 events. 4153/16467 cut-off events. For 161618/162262 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 195080 event pairs, 780 based on Foata normal form. 143/15973 useless extension candidates. Maximal degree in co-relation 47512. Up to 3529 conditions per place. [2022-12-05 18:45:11,890 INFO L137 encePairwiseOnDemand]: 313/331 looper letters, 162 selfloop transitions, 69 changer transitions 118/622 dead transitions. [2022-12-05 18:45:11,890 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 622 transitions, 6427 flow [2022-12-05 18:45:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-05 18:45:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-05 18:45:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 5479 transitions. [2022-12-05 18:45:11,892 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8276435045317221 [2022-12-05 18:45:11,892 INFO L175 Difference]: Start difference. First operand has 605 places, 508 transitions, 4865 flow. Second operand 20 states and 5479 transitions. [2022-12-05 18:45:11,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 622 transitions, 6427 flow [2022-12-05 18:45:12,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 622 transitions, 6173 flow, removed 48 selfloop flow, removed 22 redundant places. [2022-12-05 18:45:12,231 INFO L231 Difference]: Finished difference. Result has 588 places, 470 transitions, 3853 flow [2022-12-05 18:45:12,232 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=4639, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=3853, PETRI_PLACES=588, PETRI_TRANSITIONS=470} [2022-12-05 18:45:12,232 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 271 predicate places. [2022-12-05 18:45:12,232 INFO L495 AbstractCegarLoop]: Abstraction has has 588 places, 470 transitions, 3853 flow [2022-12-05 18:45:12,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 269.64285714285717) internal successors, (3775), 14 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:12,233 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:12,233 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, 1, 1, 1] [2022-12-05 18:45:12,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-05 18:45:12,233 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:12,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:12,233 INFO L85 PathProgramCache]: Analyzing trace with hash -105926191, now seen corresponding path program 9 times [2022-12-05 18:45:12,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:12,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329896566] [2022-12-05 18:45:12,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:12,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:16,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:16,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329896566] [2022-12-05 18:45:16,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329896566] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:16,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:16,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-12-05 18:45:16,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346408265] [2022-12-05 18:45:16,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:16,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-12-05 18:45:16,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:16,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-12-05 18:45:16,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1744, Unknown=0, NotChecked=0, Total=1892 [2022-12-05 18:45:16,169 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 331 [2022-12-05 18:45:16,172 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 470 transitions, 3853 flow. Second operand has 44 states, 44 states have (on average 189.72727272727272) internal successors, (8348), 44 states have internal predecessors, (8348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:16,172 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:16,172 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 331 [2022-12-05 18:45:16,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:23,891 INFO L130 PetriNetUnfolder]: 4299/16549 cut-off events. [2022-12-05 18:45:23,891 INFO L131 PetriNetUnfolder]: For 130697/131038 co-relation queries the response was YES. [2022-12-05 18:45:23,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44548 conditions, 16549 events. 4299/16549 cut-off events. For 130697/131038 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 188506 event pairs, 2495 based on Foata normal form. 74/15811 useless extension candidates. Maximal degree in co-relation 44458. Up to 4242 conditions per place. [2022-12-05 18:45:24,012 INFO L137 encePairwiseOnDemand]: 267/331 looper letters, 248 selfloop transitions, 103 changer transitions 113/645 dead transitions. [2022-12-05 18:45:24,013 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 645 transitions, 5601 flow [2022-12-05 18:45:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-12-05 18:45:24,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2022-12-05 18:45:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 10997 transitions. [2022-12-05 18:45:24,017 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5828695606084698 [2022-12-05 18:45:24,017 INFO L175 Difference]: Start difference. First operand has 588 places, 470 transitions, 3853 flow. Second operand 57 states and 10997 transitions. [2022-12-05 18:45:24,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 645 transitions, 5601 flow [2022-12-05 18:45:24,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 610 places, 645 transitions, 5292 flow, removed 22 selfloop flow, removed 19 redundant places. [2022-12-05 18:45:24,304 INFO L231 Difference]: Finished difference. Result has 629 places, 458 transitions, 3688 flow [2022-12-05 18:45:24,304 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=3597, PETRI_DIFFERENCE_MINUEND_PLACES=554, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=470, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=101, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=57, PETRI_FLOW=3688, PETRI_PLACES=629, PETRI_TRANSITIONS=458} [2022-12-05 18:45:24,304 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 312 predicate places. [2022-12-05 18:45:24,305 INFO L495 AbstractCegarLoop]: Abstraction has has 629 places, 458 transitions, 3688 flow [2022-12-05 18:45:24,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 189.72727272727272) internal successors, (8348), 44 states have internal predecessors, (8348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:24,306 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:24,306 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, 1, 1, 1] [2022-12-05 18:45:24,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-05 18:45:24,306 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:24,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:24,306 INFO L85 PathProgramCache]: Analyzing trace with hash 83063485, now seen corresponding path program 10 times [2022-12-05 18:45:24,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:24,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858438314] [2022-12-05 18:45:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:24,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:25,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:25,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858438314] [2022-12-05 18:45:25,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858438314] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:25,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:25,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-05 18:45:25,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503636383] [2022-12-05 18:45:25,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:25,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-05 18:45:25,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:25,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-05 18:45:25,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-12-05 18:45:25,269 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 331 [2022-12-05 18:45:25,271 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 458 transitions, 3688 flow. Second operand has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:25,271 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:25,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 331 [2022-12-05 18:45:25,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:28,495 INFO L130 PetriNetUnfolder]: 3049/13409 cut-off events. [2022-12-05 18:45:28,496 INFO L131 PetriNetUnfolder]: For 101557/101846 co-relation queries the response was YES. [2022-12-05 18:45:28,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34501 conditions, 13409 events. 3049/13409 cut-off events. For 101557/101846 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 150658 event pairs, 1380 based on Foata normal form. 75/12800 useless extension candidates. Maximal degree in co-relation 34401. Up to 2662 conditions per place. [2022-12-05 18:45:28,610 INFO L137 encePairwiseOnDemand]: 311/331 looper letters, 173 selfloop transitions, 54 changer transitions 105/592 dead transitions. [2022-12-05 18:45:28,610 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 592 transitions, 5332 flow [2022-12-05 18:45:28,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-05 18:45:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2022-12-05 18:45:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 8401 transitions. [2022-12-05 18:45:28,614 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8187311178247734 [2022-12-05 18:45:28,614 INFO L175 Difference]: Start difference. First operand has 629 places, 458 transitions, 3688 flow. Second operand 31 states and 8401 transitions. [2022-12-05 18:45:28,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 592 transitions, 5332 flow [2022-12-05 18:45:28,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 582 places, 592 transitions, 4966 flow, removed 76 selfloop flow, removed 52 redundant places. [2022-12-05 18:45:28,831 INFO L231 Difference]: Finished difference. Result has 594 places, 432 transitions, 2992 flow [2022-12-05 18:45:28,832 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=552, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=2992, PETRI_PLACES=594, PETRI_TRANSITIONS=432} [2022-12-05 18:45:28,832 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 277 predicate places. [2022-12-05 18:45:28,832 INFO L495 AbstractCegarLoop]: Abstraction has has 594 places, 432 transitions, 2992 flow [2022-12-05 18:45:28,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:28,833 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:28,833 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, 1, 1, 1] [2022-12-05 18:45:28,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-05 18:45:28,833 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:28,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1922368401, now seen corresponding path program 11 times [2022-12-05 18:45:28,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:28,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457456848] [2022-12-05 18:45:28,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:28,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:29,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:29,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457456848] [2022-12-05 18:45:29,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457456848] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:29,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:29,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-05 18:45:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943314480] [2022-12-05 18:45:29,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:29,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-05 18:45:29,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:29,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-05 18:45:29,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-12-05 18:45:29,878 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 331 [2022-12-05 18:45:29,880 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 594 places, 432 transitions, 2992 flow. Second operand has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:29,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:29,880 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 331 [2022-12-05 18:45:29,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:32,771 INFO L130 PetriNetUnfolder]: 2299/10030 cut-off events. [2022-12-05 18:45:32,772 INFO L131 PetriNetUnfolder]: For 85026/85277 co-relation queries the response was YES. [2022-12-05 18:45:32,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26836 conditions, 10030 events. 2299/10030 cut-off events. For 85026/85277 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 104916 event pairs, 1288 based on Foata normal form. 56/9578 useless extension candidates. Maximal degree in co-relation 26744. Up to 2662 conditions per place. [2022-12-05 18:45:32,854 INFO L137 encePairwiseOnDemand]: 311/331 looper letters, 139 selfloop transitions, 48 changer transitions 85/530 dead transitions. [2022-12-05 18:45:32,855 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 530 transitions, 4233 flow [2022-12-05 18:45:32,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-05 18:45:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-12-05 18:45:32,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 7841 transitions. [2022-12-05 18:45:32,858 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8168559224919263 [2022-12-05 18:45:32,858 INFO L175 Difference]: Start difference. First operand has 594 places, 432 transitions, 2992 flow. Second operand 29 states and 7841 transitions. [2022-12-05 18:45:32,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 598 places, 530 transitions, 4233 flow [2022-12-05 18:45:33,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 530 transitions, 3880 flow, removed 106 selfloop flow, removed 35 redundant places. [2022-12-05 18:45:33,047 INFO L231 Difference]: Finished difference. Result has 575 places, 414 transitions, 2656 flow [2022-12-05 18:45:33,047 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=2793, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=2656, PETRI_PLACES=575, PETRI_TRANSITIONS=414} [2022-12-05 18:45:33,048 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 258 predicate places. [2022-12-05 18:45:33,048 INFO L495 AbstractCegarLoop]: Abstraction has has 575 places, 414 transitions, 2656 flow [2022-12-05 18:45:33,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:33,048 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:33,049 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, 1, 1, 1] [2022-12-05 18:45:33,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-05 18:45:33,049 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:33,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:33,049 INFO L85 PathProgramCache]: Analyzing trace with hash 690432289, now seen corresponding path program 12 times [2022-12-05 18:45:33,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:33,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963891985] [2022-12-05 18:45:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:33,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:34,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:34,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:34,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963891985] [2022-12-05 18:45:34,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963891985] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:34,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:34,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-12-05 18:45:34,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11443757] [2022-12-05 18:45:34,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:34,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-05 18:45:34,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:34,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-05 18:45:34,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-12-05 18:45:34,611 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2022-12-05 18:45:34,613 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 575 places, 414 transitions, 2656 flow. Second operand has 26 states, 26 states have (on average 232.0) internal successors, (6032), 26 states have internal predecessors, (6032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:34,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:34,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2022-12-05 18:45:34,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:38,082 INFO L130 PetriNetUnfolder]: 2243/9251 cut-off events. [2022-12-05 18:45:38,083 INFO L131 PetriNetUnfolder]: For 60980/61150 co-relation queries the response was YES. [2022-12-05 18:45:38,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23929 conditions, 9251 events. 2243/9251 cut-off events. For 60980/61150 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 93014 event pairs, 1296 based on Foata normal form. 62/8870 useless extension candidates. Maximal degree in co-relation 23844. Up to 2354 conditions per place. [2022-12-05 18:45:38,174 INFO L137 encePairwiseOnDemand]: 301/331 looper letters, 208 selfloop transitions, 52 changer transitions 86/569 dead transitions. [2022-12-05 18:45:38,175 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 569 transitions, 4037 flow [2022-12-05 18:45:38,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-05 18:45:38,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2022-12-05 18:45:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 10123 transitions. [2022-12-05 18:45:38,179 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7112344551394646 [2022-12-05 18:45:38,179 INFO L175 Difference]: Start difference. First operand has 575 places, 414 transitions, 2656 flow. Second operand 43 states and 10123 transitions. [2022-12-05 18:45:38,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 569 transitions, 4037 flow [2022-12-05 18:45:38,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 558 places, 569 transitions, 3769 flow, removed 38 selfloop flow, removed 35 redundant places. [2022-12-05 18:45:38,298 INFO L231 Difference]: Finished difference. Result has 572 places, 399 transitions, 2312 flow [2022-12-05 18:45:38,299 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=2416, PETRI_DIFFERENCE_MINUEND_PLACES=516, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=2312, PETRI_PLACES=572, PETRI_TRANSITIONS=399} [2022-12-05 18:45:38,299 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 255 predicate places. [2022-12-05 18:45:38,299 INFO L495 AbstractCegarLoop]: Abstraction has has 572 places, 399 transitions, 2312 flow [2022-12-05 18:45:38,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 232.0) internal successors, (6032), 26 states have internal predecessors, (6032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:38,300 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:38,300 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:45:38,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-05 18:45:38,300 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:38,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:38,300 INFO L85 PathProgramCache]: Analyzing trace with hash 571492599, now seen corresponding path program 13 times [2022-12-05 18:45:38,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:38,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999111898] [2022-12-05 18:45:38,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:38,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:39,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:39,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999111898] [2022-12-05 18:45:39,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999111898] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:39,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:39,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-12-05 18:45:39,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356206891] [2022-12-05 18:45:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:39,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-05 18:45:39,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:39,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-05 18:45:39,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2022-12-05 18:45:39,767 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2022-12-05 18:45:39,769 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 399 transitions, 2312 flow. Second operand has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:39,769 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:39,769 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2022-12-05 18:45:39,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:43,795 INFO L130 PetriNetUnfolder]: 2136/8904 cut-off events. [2022-12-05 18:45:43,795 INFO L131 PetriNetUnfolder]: For 45994/46126 co-relation queries the response was YES. [2022-12-05 18:45:43,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21607 conditions, 8904 events. 2136/8904 cut-off events. For 45994/46126 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 89441 event pairs, 1237 based on Foata normal form. 50/8496 useless extension candidates. Maximal degree in co-relation 21529. Up to 2623 conditions per place. [2022-12-05 18:45:43,861 INFO L137 encePairwiseOnDemand]: 300/331 looper letters, 172 selfloop transitions, 42 changer transitions 88/525 dead transitions. [2022-12-05 18:45:43,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 557 places, 525 transitions, 3428 flow [2022-12-05 18:45:43,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-05 18:45:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2022-12-05 18:45:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 8944 transitions. [2022-12-05 18:45:43,865 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7110828430593099 [2022-12-05 18:45:43,866 INFO L175 Difference]: Start difference. First operand has 572 places, 399 transitions, 2312 flow. Second operand 38 states and 8944 transitions. [2022-12-05 18:45:43,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 557 places, 525 transitions, 3428 flow [2022-12-05 18:45:43,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 517 places, 525 transitions, 3190 flow, removed 37 selfloop flow, removed 40 redundant places. [2022-12-05 18:45:43,968 INFO L231 Difference]: Finished difference. Result has 536 places, 396 transitions, 2143 flow [2022-12-05 18:45:43,968 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=2096, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=2143, PETRI_PLACES=536, PETRI_TRANSITIONS=396} [2022-12-05 18:45:43,969 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 219 predicate places. [2022-12-05 18:45:43,969 INFO L495 AbstractCegarLoop]: Abstraction has has 536 places, 396 transitions, 2143 flow [2022-12-05 18:45:43,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:43,970 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:43,970 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, 1, 1, 1] [2022-12-05 18:45:43,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-05 18:45:43,970 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:43,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:43,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1522445635, now seen corresponding path program 14 times [2022-12-05 18:45:43,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:43,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589595117] [2022-12-05 18:45:43,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:43,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:45,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:45,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589595117] [2022-12-05 18:45:45,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589595117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:45,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:45,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-05 18:45:45,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103953681] [2022-12-05 18:45:45,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:45,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-05 18:45:45,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:45,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-05 18:45:45,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-12-05 18:45:45,191 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 331 [2022-12-05 18:45:45,192 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 396 transitions, 2143 flow. Second operand has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:45,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:45,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 331 [2022-12-05 18:45:45,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:47,056 INFO L130 PetriNetUnfolder]: 1626/7544 cut-off events. [2022-12-05 18:45:47,056 INFO L131 PetriNetUnfolder]: For 32863/32996 co-relation queries the response was YES. [2022-12-05 18:45:47,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17503 conditions, 7544 events. 1626/7544 cut-off events. For 32863/32996 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 74866 event pairs, 366 based on Foata normal form. 52/7268 useless extension candidates. Maximal degree in co-relation 17427. Up to 1564 conditions per place. [2022-12-05 18:45:47,112 INFO L137 encePairwiseOnDemand]: 311/331 looper letters, 120 selfloop transitions, 30 changer transitions 94/502 dead transitions. [2022-12-05 18:45:47,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 502 transitions, 3321 flow [2022-12-05 18:45:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-05 18:45:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2022-12-05 18:45:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 7042 transitions. [2022-12-05 18:45:47,115 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8182663258191959 [2022-12-05 18:45:47,115 INFO L175 Difference]: Start difference. First operand has 536 places, 396 transitions, 2143 flow. Second operand 26 states and 7042 transitions. [2022-12-05 18:45:47,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 502 transitions, 3321 flow [2022-12-05 18:45:47,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 502 transitions, 3105 flow, removed 77 selfloop flow, removed 31 redundant places. [2022-12-05 18:45:47,196 INFO L231 Difference]: Finished difference. Result has 522 places, 376 transitions, 1740 flow [2022-12-05 18:45:47,197 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=2019, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=1740, PETRI_PLACES=522, PETRI_TRANSITIONS=376} [2022-12-05 18:45:47,197 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 205 predicate places. [2022-12-05 18:45:47,197 INFO L495 AbstractCegarLoop]: Abstraction has has 522 places, 376 transitions, 1740 flow [2022-12-05 18:45:47,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:47,198 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:47,198 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, 1, 1, 1] [2022-12-05 18:45:47,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-05 18:45:47,198 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:47,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:47,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1383547871, now seen corresponding path program 1 times [2022-12-05 18:45:47,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:47,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822398319] [2022-12-05 18:45:47,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:47,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:47,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:47,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822398319] [2022-12-05 18:45:47,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822398319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:47,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:47,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-05 18:45:47,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021901829] [2022-12-05 18:45:47,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:47,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-05 18:45:47,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:47,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-05 18:45:47,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-12-05 18:45:47,907 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 331 [2022-12-05 18:45:47,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 376 transitions, 1740 flow. Second operand has 16 states, 16 states have (on average 267.3125) internal successors, (4277), 16 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:47,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:47,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 331 [2022-12-05 18:45:47,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:49,280 INFO L130 PetriNetUnfolder]: 1210/5782 cut-off events. [2022-12-05 18:45:49,280 INFO L131 PetriNetUnfolder]: For 29769/29849 co-relation queries the response was YES. [2022-12-05 18:45:49,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14240 conditions, 5782 events. 1210/5782 cut-off events. For 29769/29849 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 54502 event pairs, 178 based on Foata normal form. 30/5578 useless extension candidates. Maximal degree in co-relation 14171. Up to 672 conditions per place. [2022-12-05 18:45:49,336 INFO L137 encePairwiseOnDemand]: 312/331 looper letters, 134 selfloop transitions, 38 changer transitions 62/492 dead transitions. [2022-12-05 18:45:49,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 492 transitions, 3092 flow [2022-12-05 18:45:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-05 18:45:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-05 18:45:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 5442 transitions. [2022-12-05 18:45:49,339 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8220543806646525 [2022-12-05 18:45:49,339 INFO L175 Difference]: Start difference. First operand has 522 places, 376 transitions, 1740 flow. Second operand 20 states and 5442 transitions. [2022-12-05 18:45:49,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 492 transitions, 3092 flow [2022-12-05 18:45:49,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 492 transitions, 2766 flow, removed 45 selfloop flow, removed 34 redundant places. [2022-12-05 18:45:49,400 INFO L231 Difference]: Finished difference. Result has 489 places, 379 transitions, 1740 flow [2022-12-05 18:45:49,401 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1546, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=1740, PETRI_PLACES=489, PETRI_TRANSITIONS=379} [2022-12-05 18:45:49,401 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 172 predicate places. [2022-12-05 18:45:49,401 INFO L495 AbstractCegarLoop]: Abstraction has has 489 places, 379 transitions, 1740 flow [2022-12-05 18:45:49,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 267.3125) internal successors, (4277), 16 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:49,402 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:49,402 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, 1, 1, 1] [2022-12-05 18:45:49,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-05 18:45:49,402 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:49,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:49,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1394941003, now seen corresponding path program 2 times [2022-12-05 18:45:49,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:49,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841772846] [2022-12-05 18:45:49,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:49,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:50,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:50,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841772846] [2022-12-05 18:45:50,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841772846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:50,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:50,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-12-05 18:45:50,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589726195] [2022-12-05 18:45:50,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:50,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-05 18:45:50,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:50,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-05 18:45:50,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2022-12-05 18:45:50,883 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2022-12-05 18:45:50,885 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 379 transitions, 1740 flow. Second operand has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:50,886 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:50,886 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2022-12-05 18:45:50,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:53,547 INFO L130 PetriNetUnfolder]: 1374/5876 cut-off events. [2022-12-05 18:45:53,547 INFO L131 PetriNetUnfolder]: For 16584/16643 co-relation queries the response was YES. [2022-12-05 18:45:53,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13343 conditions, 5876 events. 1374/5876 cut-off events. For 16584/16643 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 53407 event pairs, 879 based on Foata normal form. 20/5615 useless extension candidates. Maximal degree in co-relation 13288. Up to 1780 conditions per place. [2022-12-05 18:45:53,589 INFO L137 encePairwiseOnDemand]: 301/331 looper letters, 174 selfloop transitions, 39 changer transitions 57/493 dead transitions. [2022-12-05 18:45:53,589 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 493 transitions, 2733 flow [2022-12-05 18:45:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-05 18:45:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2022-12-05 18:45:53,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 7326 transitions. [2022-12-05 18:45:53,593 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7139655004385538 [2022-12-05 18:45:53,595 INFO L175 Difference]: Start difference. First operand has 489 places, 379 transitions, 1740 flow. Second operand 31 states and 7326 transitions. [2022-12-05 18:45:53,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 493 transitions, 2733 flow [2022-12-05 18:45:53,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 493 transitions, 2641 flow, removed 19 selfloop flow, removed 13 redundant places. [2022-12-05 18:45:53,645 INFO L231 Difference]: Finished difference. Result has 511 places, 383 transitions, 1789 flow [2022-12-05 18:45:53,646 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1673, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=1789, PETRI_PLACES=511, PETRI_TRANSITIONS=383} [2022-12-05 18:45:53,647 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 194 predicate places. [2022-12-05 18:45:53,647 INFO L495 AbstractCegarLoop]: Abstraction has has 511 places, 383 transitions, 1789 flow [2022-12-05 18:45:53,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:53,648 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:53,648 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, 1, 1, 1] [2022-12-05 18:45:53,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-05 18:45:53,648 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:53,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:53,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1013821107, now seen corresponding path program 3 times [2022-12-05 18:45:53,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:53,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868590295] [2022-12-05 18:45:53,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:53,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:45:55,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:45:55,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:45:55,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868590295] [2022-12-05 18:45:55,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868590295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:45:55,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:45:55,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-12-05 18:45:55,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810378947] [2022-12-05 18:45:55,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:45:55,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-05 18:45:55,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:45:55,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-05 18:45:55,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2022-12-05 18:45:55,122 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2022-12-05 18:45:55,124 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 383 transitions, 1789 flow. Second operand has 26 states, 26 states have (on average 232.0) internal successors, (6032), 26 states have internal predecessors, (6032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:55,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:45:55,124 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2022-12-05 18:45:55,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:45:58,816 INFO L130 PetriNetUnfolder]: 1318/5719 cut-off events. [2022-12-05 18:45:58,816 INFO L131 PetriNetUnfolder]: For 16214/16265 co-relation queries the response was YES. [2022-12-05 18:45:58,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12863 conditions, 5719 events. 1318/5719 cut-off events. For 16214/16265 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 51402 event pairs, 861 based on Foata normal form. 24/5450 useless extension candidates. Maximal degree in co-relation 12802. Up to 1678 conditions per place. [2022-12-05 18:45:58,865 INFO L137 encePairwiseOnDemand]: 300/331 looper letters, 157 selfloop transitions, 37 changer transitions 69/486 dead transitions. [2022-12-05 18:45:58,865 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 486 transitions, 2746 flow [2022-12-05 18:45:58,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-12-05 18:45:58,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2022-12-05 18:45:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 9155 transitions. [2022-12-05 18:45:58,869 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7091951351770083 [2022-12-05 18:45:58,869 INFO L175 Difference]: Start difference. First operand has 511 places, 383 transitions, 1789 flow. Second operand 39 states and 9155 transitions. [2022-12-05 18:45:58,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 486 transitions, 2746 flow [2022-12-05 18:45:58,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 486 transitions, 2637 flow, removed 16 selfloop flow, removed 23 redundant places. [2022-12-05 18:45:58,918 INFO L231 Difference]: Finished difference. Result has 533 places, 372 transitions, 1640 flow [2022-12-05 18:45:58,918 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1702, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=39, PETRI_FLOW=1640, PETRI_PLACES=533, PETRI_TRANSITIONS=372} [2022-12-05 18:45:58,919 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 216 predicate places. [2022-12-05 18:45:58,919 INFO L495 AbstractCegarLoop]: Abstraction has has 533 places, 372 transitions, 1640 flow [2022-12-05 18:45:58,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 232.0) internal successors, (6032), 26 states have internal predecessors, (6032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:45:58,919 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:45:58,919 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, 1, 1, 1] [2022-12-05 18:45:58,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-05 18:45:58,920 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:45:58,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:45:58,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1215961883, now seen corresponding path program 4 times [2022-12-05 18:45:58,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:45:58,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385715714] [2022-12-05 18:45:58,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:45:58,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:45:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:46:00,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:00,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385715714] [2022-12-05 18:46:00,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385715714] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:00,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:00,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-12-05 18:46:00,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987748031] [2022-12-05 18:46:00,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:00,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-05 18:46:00,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:00,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-05 18:46:00,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-12-05 18:46:00,420 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 331 [2022-12-05 18:46:00,422 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 533 places, 372 transitions, 1640 flow. Second operand has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:46:00,422 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:00,422 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 331 [2022-12-05 18:46:00,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:46:02,700 INFO L130 PetriNetUnfolder]: 1239/5357 cut-off events. [2022-12-05 18:46:02,701 INFO L131 PetriNetUnfolder]: For 15728/15763 co-relation queries the response was YES. [2022-12-05 18:46:02,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12355 conditions, 5357 events. 1239/5357 cut-off events. For 15728/15763 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 47769 event pairs, 851 based on Foata normal form. 12/5112 useless extension candidates. Maximal degree in co-relation 12287. Up to 1743 conditions per place. [2022-12-05 18:46:02,736 INFO L137 encePairwiseOnDemand]: 301/331 looper letters, 147 selfloop transitions, 33 changer transitions 61/464 dead transitions. [2022-12-05 18:46:02,736 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 538 places, 464 transitions, 2488 flow [2022-12-05 18:46:02,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-05 18:46:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-12-05 18:46:02,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 6847 transitions. [2022-12-05 18:46:02,739 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7133034691113658 [2022-12-05 18:46:02,739 INFO L175 Difference]: Start difference. First operand has 533 places, 372 transitions, 1640 flow. Second operand 29 states and 6847 transitions. [2022-12-05 18:46:02,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 538 places, 464 transitions, 2488 flow [2022-12-05 18:46:02,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 464 transitions, 2283 flow, removed 26 selfloop flow, removed 44 redundant places. [2022-12-05 18:46:02,781 INFO L231 Difference]: Finished difference. Result has 502 places, 373 transitions, 1595 flow [2022-12-05 18:46:02,781 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1498, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=1595, PETRI_PLACES=502, PETRI_TRANSITIONS=373} [2022-12-05 18:46:02,781 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 185 predicate places. [2022-12-05 18:46:02,781 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 373 transitions, 1595 flow [2022-12-05 18:46:02,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 231.88888888888889) internal successors, (6261), 27 states have internal predecessors, (6261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:46:02,782 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:02,782 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, 1, 1, 1] [2022-12-05 18:46:02,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-05 18:46:02,783 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:46:02,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:02,783 INFO L85 PathProgramCache]: Analyzing trace with hash 630547525, now seen corresponding path program 5 times [2022-12-05 18:46:02,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:02,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565255792] [2022-12-05 18:46:02,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:02,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:03,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:46:03,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:03,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565255792] [2022-12-05 18:46:03,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565255792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:03,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:03,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-05 18:46:03,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038762833] [2022-12-05 18:46:03,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:03,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-05 18:46:03,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:03,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-05 18:46:03,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-12-05 18:46:03,385 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 331 [2022-12-05 18:46:03,386 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 373 transitions, 1595 flow. Second operand has 16 states, 16 states have (on average 267.3125) internal successors, (4277), 16 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:46:03,386 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:03,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 331 [2022-12-05 18:46:03,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:46:04,559 INFO L130 PetriNetUnfolder]: 998/4731 cut-off events. [2022-12-05 18:46:04,559 INFO L131 PetriNetUnfolder]: For 15006/15040 co-relation queries the response was YES. [2022-12-05 18:46:04,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10651 conditions, 4731 events. 998/4731 cut-off events. For 15006/15040 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 42170 event pairs, 128 based on Foata normal form. 12/4520 useless extension candidates. Maximal degree in co-relation 10596. Up to 699 conditions per place. [2022-12-05 18:46:04,591 INFO L137 encePairwiseOnDemand]: 312/331 looper letters, 110 selfloop transitions, 25 changer transitions 81/469 dead transitions. [2022-12-05 18:46:04,592 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 469 transitions, 2510 flow [2022-12-05 18:46:04,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-05 18:46:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2022-12-05 18:46:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 5177 transitions. [2022-12-05 18:46:04,594 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8231833359834632 [2022-12-05 18:46:04,594 INFO L175 Difference]: Start difference. First operand has 502 places, 373 transitions, 1595 flow. Second operand 19 states and 5177 transitions. [2022-12-05 18:46:04,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 469 transitions, 2510 flow [2022-12-05 18:46:04,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 469 transitions, 2414 flow, removed 17 selfloop flow, removed 22 redundant places. [2022-12-05 18:46:04,624 INFO L231 Difference]: Finished difference. Result has 496 places, 352 transitions, 1362 flow [2022-12-05 18:46:04,624 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1521, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1362, PETRI_PLACES=496, PETRI_TRANSITIONS=352} [2022-12-05 18:46:04,625 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 179 predicate places. [2022-12-05 18:46:04,625 INFO L495 AbstractCegarLoop]: Abstraction has has 496 places, 352 transitions, 1362 flow [2022-12-05 18:46:04,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 267.3125) internal successors, (4277), 16 states have internal predecessors, (4277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:46:04,625 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:04,625 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:46:04,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-05 18:46:04,626 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:46:04,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:04,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1025613847, now seen corresponding path program 1 times [2022-12-05 18:46:04,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:04,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551667003] [2022-12-05 18:46:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:04,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:46:05,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:05,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551667003] [2022-12-05 18:46:05,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551667003] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:05,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:05,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-12-05 18:46:05,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347207029] [2022-12-05 18:46:05,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:05,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-05 18:46:05,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:05,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-05 18:46:05,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2022-12-05 18:46:05,885 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 331 [2022-12-05 18:46:05,887 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 352 transitions, 1362 flow. Second operand has 19 states, 19 states have (on average 246.78947368421052) internal successors, (4689), 19 states have internal predecessors, (4689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:46:05,887 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:05,887 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 331 [2022-12-05 18:46:05,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:46:07,770 INFO L130 PetriNetUnfolder]: 799/3730 cut-off events. [2022-12-05 18:46:07,770 INFO L131 PetriNetUnfolder]: For 11784/11860 co-relation queries the response was YES. [2022-12-05 18:46:07,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8353 conditions, 3730 events. 799/3730 cut-off events. For 11784/11860 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 30867 event pairs, 230 based on Foata normal form. 20/3544 useless extension candidates. Maximal degree in co-relation 8297. Up to 1094 conditions per place. [2022-12-05 18:46:07,796 INFO L137 encePairwiseOnDemand]: 311/331 looper letters, 95 selfloop transitions, 19 changer transitions 60/408 dead transitions. [2022-12-05 18:46:07,796 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 408 transitions, 1983 flow [2022-12-05 18:46:07,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-05 18:46:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2022-12-05 18:46:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 6227 transitions. [2022-12-05 18:46:07,799 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7525075528700906 [2022-12-05 18:46:07,799 INFO L175 Difference]: Start difference. First operand has 496 places, 352 transitions, 1362 flow. Second operand 25 states and 6227 transitions. [2022-12-05 18:46:07,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 408 transitions, 1983 flow [2022-12-05 18:46:07,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 408 transitions, 1874 flow, removed 20 selfloop flow, removed 26 redundant places. [2022-12-05 18:46:07,820 INFO L231 Difference]: Finished difference. Result has 470 places, 337 transitions, 1159 flow [2022-12-05 18:46:07,821 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1268, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=1159, PETRI_PLACES=470, PETRI_TRANSITIONS=337} [2022-12-05 18:46:07,822 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 153 predicate places. [2022-12-05 18:46:07,822 INFO L495 AbstractCegarLoop]: Abstraction has has 470 places, 337 transitions, 1159 flow [2022-12-05 18:46:07,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 246.78947368421052) internal successors, (4689), 19 states have internal predecessors, (4689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:46:07,823 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:07,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:46:07,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-05 18:46:07,823 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:46:07,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:07,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1786862245, now seen corresponding path program 2 times [2022-12-05 18:46:07,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:07,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675888503] [2022-12-05 18:46:07,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:07,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:08,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:46:08,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:08,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675888503] [2022-12-05 18:46:08,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675888503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:08,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:08,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-05 18:46:08,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105606690] [2022-12-05 18:46:08,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:08,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-05 18:46:08,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:08,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-05 18:46:08,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-12-05 18:46:08,818 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 331 [2022-12-05 18:46:08,820 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 337 transitions, 1159 flow. Second operand has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:46:08,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:08,820 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 331 [2022-12-05 18:46:08,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:46:10,097 INFO L130 PetriNetUnfolder]: 682/3325 cut-off events. [2022-12-05 18:46:10,098 INFO L131 PetriNetUnfolder]: For 11226/11300 co-relation queries the response was YES. [2022-12-05 18:46:10,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7191 conditions, 3325 events. 682/3325 cut-off events. For 11226/11300 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 26906 event pairs, 222 based on Foata normal form. 14/3177 useless extension candidates. Maximal degree in co-relation 7144. Up to 663 conditions per place. [2022-12-05 18:46:10,120 INFO L137 encePairwiseOnDemand]: 312/331 looper letters, 69 selfloop transitions, 12 changer transitions 71/405 dead transitions. [2022-12-05 18:46:10,120 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 405 transitions, 1770 flow [2022-12-05 18:46:10,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-05 18:46:10,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2022-12-05 18:46:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 6477 transitions. [2022-12-05 18:46:10,123 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8153323262839879 [2022-12-05 18:46:10,123 INFO L175 Difference]: Start difference. First operand has 470 places, 337 transitions, 1159 flow. Second operand 24 states and 6477 transitions. [2022-12-05 18:46:10,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 405 transitions, 1770 flow [2022-12-05 18:46:10,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 405 transitions, 1597 flow, removed 36 selfloop flow, removed 27 redundant places. [2022-12-05 18:46:10,141 INFO L231 Difference]: Finished difference. Result has 444 places, 326 transitions, 942 flow [2022-12-05 18:46:10,142 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1018, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=942, PETRI_PLACES=444, PETRI_TRANSITIONS=326} [2022-12-05 18:46:10,142 INFO L294 CegarLoopForPetriNet]: 317 programPoint places, 127 predicate places. [2022-12-05 18:46:10,142 INFO L495 AbstractCegarLoop]: Abstraction has has 444 places, 326 transitions, 942 flow [2022-12-05 18:46:10,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:46:10,143 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:10,143 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:46:10,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-05 18:46:10,143 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:46:10,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:10,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1592709655, now seen corresponding path program 3 times [2022-12-05 18:46:10,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:10,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566696340] [2022-12-05 18:46:10,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:10,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:46:11,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:11,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566696340] [2022-12-05 18:46:11,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566696340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:11,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:11,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-05 18:46:11,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82104034] [2022-12-05 18:46:11,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:11,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-05 18:46:11,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:11,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-05 18:46:11,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-12-05 18:46:11,243 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 331 [2022-12-05 18:46:11,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 326 transitions, 942 flow. Second operand has 17 states, 17 states have (on average 267.11764705882354) internal successors, (4541), 17 states have internal predecessors, (4541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:46:11,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:11,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 331 [2022-12-05 18:46:11,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand