/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:24:12,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:24:12,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:24:12,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:24:12,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:24:12,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:24:12,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:24:12,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:24:12,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:24:12,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:24:12,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:24:12,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:24:12,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:24:12,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:24:12,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:24:12,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:24:12,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:24:12,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:24:12,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:24:12,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:24:12,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:24:12,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:24:12,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:24:12,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:24:12,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:24:12,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:24:12,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:24:12,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:24:12,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:24:12,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:24:12,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:24:12,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:24:12,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:24:12,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:24:12,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:24:12,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:24:12,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:24:12,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:24:12,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:24:12,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:24:12,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:24:12,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 01:24:12,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:24:12,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:24:12,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:24:12,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:24:12,181 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:24:12,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:24:12,182 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:24:12,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:24:12,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:24:12,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:24:12,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:24:12,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:24:12,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:24:12,183 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:24:12,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:24:12,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:24:12,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:24:12,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:24:12,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:24:12,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:24:12,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:24:12,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:24:12,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:24:12,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:24:12,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:24:12,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:24:12,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:24:12,185 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:24:12,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:24:12,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:24:12,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:24:12,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:24:12,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:24:12,524 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:24:12,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-06 01:24:13,456 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:24:13,857 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:24:13,857 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-06 01:24:13,892 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d3acca38/0bae111047a24691a07c1ceda7ee8ad3/FLAG9db503a5e [2022-12-06 01:24:13,910 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d3acca38/0bae111047a24691a07c1ceda7ee8ad3 [2022-12-06 01:24:13,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:24:13,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:24:13,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:24:13,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:24:13,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:24:13,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:24:13" (1/1) ... [2022-12-06 01:24:13,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ce14b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:13, skipping insertion in model container [2022-12-06 01:24:13,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:24:13" (1/1) ... [2022-12-06 01:24:13,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:24:14,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:24:14,256 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 01:24:14,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,575 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,723 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,734 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:14,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:14,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:15,224 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 01:24:15,231 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:24:15,238 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:24:15,250 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:24:15,396 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:24:15,404 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:24:15,536 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 01:24:15,771 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:24:15,780 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:24:15,849 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 01:24:15,854 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 01:24:16,124 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 01:24:16,127 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 01:24:16,131 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 01:24:16,208 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 01:24:16,209 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:24:16,211 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 01:24:16,211 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:24:16,340 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 01:24:16,365 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 01:24:16,503 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 01:24:16,506 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 01:24:16,635 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 01:24:16,785 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 01:24:16,785 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 01:24:16,786 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 01:24:18,167 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 01:24:18,167 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:24:18,170 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:24:18,174 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:24:18,177 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:24:18,581 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 01:24:18,587 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 01:24:18,595 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 01:24:18,607 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 01:24:18,607 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 01:24:18,612 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 01:24:18,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:24:18,654 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:24:18,687 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 01:24:18,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:24:18,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:24:18,734 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 01:24:18,734 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:24:18,734 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:24:18,735 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:24:18,737 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:24:18,738 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:24:18,740 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 01:24:18,746 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:24:18,748 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:24:18,804 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 01:24:18,805 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 01:24:18,810 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 01:24:18,810 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 01:24:18,810 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 01:24:18,812 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 01:24:18,813 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:24:18,813 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 01:24:18,813 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:24:18,819 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 01:24:18,820 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 01:24:18,823 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 01:24:18,824 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 01:24:18,826 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 01:24:18,828 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 01:24:18,828 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 01:24:18,829 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 01:24:18,863 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 01:24:18,864 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:24:18,865 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:24:18,868 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:24:18,869 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:24:18,925 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 01:24:18,926 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 01:24:18,927 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 01:24:18,928 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 01:24:18,929 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 01:24:18,929 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 01:24:18,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:24:19,255 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:24:19,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19 WrapperNode [2022-12-06 01:24:19,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:24:19,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:24:19,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:24:19,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:24:19,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,412 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-06 01:24:19,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:24:19,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:24:19,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:24:19,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:24:19,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,465 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:24:19,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:24:19,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:24:19,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:24:19,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (1/1) ... [2022-12-06 01:24:19,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:24:19,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:24:19,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 01:24:19,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 01:24:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 01:24:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 01:24:19,535 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 01:24:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:24:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-12-06 01:24:19,536 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 01:24:19,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:24:19,537 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:24:19,868 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:24:19,869 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:24:20,108 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:24:20,126 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:24:20,126 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-06 01:24:20,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:24:20 BoogieIcfgContainer [2022-12-06 01:24:20,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:24:20,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:24:20,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:24:20,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:24:20,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:24:13" (1/3) ... [2022-12-06 01:24:20,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e68be29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:24:20, skipping insertion in model container [2022-12-06 01:24:20,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:24:19" (2/3) ... [2022-12-06 01:24:20,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e68be29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:24:20, skipping insertion in model container [2022-12-06 01:24:20,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:24:20" (3/3) ... [2022-12-06 01:24:20,133 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-06 01:24:20,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:24:20,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 01:24:20,145 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:24:20,211 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 01:24:20,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 332 transitions, 680 flow [2022-12-06 01:24:20,335 INFO L130 PetriNetUnfolder]: 11/330 cut-off events. [2022-12-06 01:24:20,335 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 01:24:20,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 330 events. 11/330 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 307 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 275. Up to 4 conditions per place. [2022-12-06 01:24:20,347 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 332 transitions, 680 flow [2022-12-06 01:24:20,357 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 322 transitions, 653 flow [2022-12-06 01:24:20,359 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:24:20,373 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-06 01:24:20,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 322 transitions, 653 flow [2022-12-06 01:24:20,475 INFO L130 PetriNetUnfolder]: 11/322 cut-off events. [2022-12-06 01:24:20,476 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 01:24:20,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 322 events. 11/322 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 288 event pairs, 0 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 275. Up to 4 conditions per place. [2022-12-06 01:24:20,487 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-06 01:24:20,487 INFO L188 LiptonReduction]: Number of co-enabled transitions 9480 [2022-12-06 01:24:22,244 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:22,245 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:22,246 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:22,247 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:22,473 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:22,474 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:22,476 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:22,476 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:22,987 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:22,987 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:22,988 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:22,989 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:23,565 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:23,576 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:23,578 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:23,579 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:23,707 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:23,707 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:23,710 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:23,710 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:24,402 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:24,403 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:24,404 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:24,405 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:24,487 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:24,488 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:24,490 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:24,492 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:24,554 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:24,555 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:24,720 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:24,721 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:24:24,723 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:24,723 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:24,824 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:24,824 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:24,825 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:24,826 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:25,450 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:25,451 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:25,721 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:25,721 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:25,723 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:25,723 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:32,061 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:32,062 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-06 01:24:32,068 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:32,069 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 01:24:32,073 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:32,074 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-06 01:24:32,079 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:32,080 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 01:24:32,084 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:32,085 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 01:24:35,242 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:35,243 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:35,244 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:35,244 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:38,221 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:38,222 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:38,237 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:38,238 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:44,813 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:44,814 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:44,815 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:44,815 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:49,429 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:49,429 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-06 01:24:49,434 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:49,435 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-06 01:24:49,441 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:49,441 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 01:24:49,446 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:49,463 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-06 01:24:49,467 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:49,470 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 01:24:52,927 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:52,928 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 01:24:52,932 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:52,932 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-12-06 01:24:52,935 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:52,936 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 934 [2022-12-06 01:24:52,939 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:52,940 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1218 [2022-12-06 01:24:52,947 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:52,947 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2022-12-06 01:24:52,954 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:52,955 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2022-12-06 01:24:52,964 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:52,964 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-06 01:24:58,553 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:58,554 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:58,556 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:58,557 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:58,561 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:58,561 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:58,563 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:58,564 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:59,195 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:59,196 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 01:24:59,198 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:59,198 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 01:24:59,202 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:59,203 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:24:59,205 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:59,206 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 01:24:59,208 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:59,208 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2022-12-06 01:25:04,931 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:25:04,932 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 01:25:04,937 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:25:04,938 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-12-06 01:25:04,943 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:25:04,943 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2022-12-06 01:25:04,946 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:25:04,947 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 763 [2022-12-06 01:25:04,951 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:25:04,952 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 999 [2022-12-06 01:25:04,957 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:25:04,957 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2022-12-06 01:25:04,962 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:25:04,962 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-06 01:25:32,275 WARN L233 SmtUtils]: Spent 14.14s on a formula simplification that was a NOOP. DAG size: 490 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:25:48,870 WARN L233 SmtUtils]: Spent 16.59s on a formula simplification that was a NOOP. DAG size: 426 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:26:02,626 WARN L233 SmtUtils]: Spent 13.75s on a formula simplification that was a NOOP. DAG size: 490 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:26:13,514 WARN L233 SmtUtils]: Spent 10.87s on a formula simplification that was a NOOP. DAG size: 426 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:26:14,932 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:26:14,933 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:26:14,936 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:26:14,937 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:26:14,940 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:26:14,941 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:26:14,943 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:26:14,943 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:28:12,679 WARN L233 SmtUtils]: Spent 1.96m on a formula simplification. DAG size of input: 517 DAG size of output: 513 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:29:02,835 WARN L233 SmtUtils]: Spent 50.15s on a formula simplification that was a NOOP. DAG size: 501 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:30:57,567 WARN L233 SmtUtils]: Spent 1.91m on a formula simplification. DAG size of input: 529 DAG size of output: 523 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:32:04,888 WARN L233 SmtUtils]: Spent 1.12m on a formula simplification that was a NOOP. DAG size: 510 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:32:04,954 INFO L203 LiptonReduction]: Total number of compositions: 304 [2022-12-06 01:32:04,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:32:04,967 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@75a71b9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:32:04,967 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 01:32:04,973 INFO L130 PetriNetUnfolder]: 4/19 cut-off events. [2022-12-06 01:32:04,974 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 01:32:04,974 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:32:04,974 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 01:32:04,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:32:04,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:32:04,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1598865153, now seen corresponding path program 1 times [2022-12-06 01:32:04,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:32:04,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54833658] [2022-12-06 01:32:04,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:32:04,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:32:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:32:05,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:32:05,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:32:05,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54833658] [2022-12-06 01:32:05,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54833658] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:32:05,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:32:05,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:32:05,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041246554] [2022-12-06 01:32:05,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:32:05,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 01:32:05,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:32:05,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 01:32:05,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 01:32:05,440 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 22 [2022-12-06 01:32:05,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 22 transitions, 53 flow. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:05,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:32:05,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 22 [2022-12-06 01:32:05,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:32:05,655 INFO L130 PetriNetUnfolder]: 165/276 cut-off events. [2022-12-06 01:32:05,656 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-06 01:32:05,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 578 conditions, 276 events. 165/276 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 904 event pairs, 123 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 518. Up to 277 conditions per place. [2022-12-06 01:32:05,658 INFO L137 encePairwiseOnDemand]: 21/22 looper letters, 16 selfloop transitions, 0 changer transitions 5/21 dead transitions. [2022-12-06 01:32:05,658 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 21 transitions, 93 flow [2022-12-06 01:32:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 01:32:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 01:32:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-12-06 01:32:05,668 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 01:32:05,672 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 1 predicate places. [2022-12-06 01:32:05,673 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:32:05,673 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 21 transitions, 93 flow [2022-12-06 01:32:05,676 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 21 transitions, 93 flow [2022-12-06 01:32:05,677 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:32:05,677 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:32:05,678 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6 [2022-12-06 01:32:05,678 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 21 transitions, 93 flow [2022-12-06 01:32:05,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:05,678 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:32:05,678 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:32:05,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:32:05,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:32:05,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:32:05,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1974562932, now seen corresponding path program 1 times [2022-12-06 01:32:05,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:32:05,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197353548] [2022-12-06 01:32:05,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:32:05,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:32:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:32:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:32:06,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:32:06,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197353548] [2022-12-06 01:32:06,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197353548] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:32:06,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:32:06,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:32:06,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634095387] [2022-12-06 01:32:06,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:32:06,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:32:06,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:32:06,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:32:06,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:32:06,191 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 21 [2022-12-06 01:32:06,192 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 21 transitions, 93 flow. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:06,192 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:32:06,192 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 21 [2022-12-06 01:32:06,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:32:06,579 INFO L130 PetriNetUnfolder]: 243/443 cut-off events. [2022-12-06 01:32:06,579 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-12-06 01:32:06,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1378 conditions, 443 events. 243/443 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1837 event pairs, 93 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 1149. Up to 444 conditions per place. [2022-12-06 01:32:06,581 INFO L137 encePairwiseOnDemand]: 12/21 looper letters, 17 selfloop transitions, 6 changer transitions 28/51 dead transitions. [2022-12-06 01:32:06,581 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 51 transitions, 330 flow [2022-12-06 01:32:06,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:32:06,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:32:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 53 transitions. [2022-12-06 01:32:06,584 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5047619047619047 [2022-12-06 01:32:06,584 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 5 predicate places. [2022-12-06 01:32:06,585 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:32:06,585 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 51 transitions, 330 flow [2022-12-06 01:32:06,587 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 51 transitions, 330 flow [2022-12-06 01:32:06,587 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:32:06,588 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:32:06,590 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6 [2022-12-06 01:32:06,590 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 51 transitions, 330 flow [2022-12-06 01:32:06,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:06,590 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:32:06,590 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:32:06,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:32:06,590 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:32:06,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:32:06,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1081947185, now seen corresponding path program 1 times [2022-12-06 01:32:06,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:32:06,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700986298] [2022-12-06 01:32:06,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:32:06,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:32:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:32:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:32:07,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:32:07,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700986298] [2022-12-06 01:32:07,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700986298] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:32:07,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:32:07,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:32:07,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502004393] [2022-12-06 01:32:07,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:32:07,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 01:32:07,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:32:07,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 01:32:07,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-06 01:32:07,402 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 21 [2022-12-06 01:32:07,403 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 51 transitions, 330 flow. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:07,403 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:32:07,403 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 21 [2022-12-06 01:32:07,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:32:07,912 INFO L130 PetriNetUnfolder]: 242/445 cut-off events. [2022-12-06 01:32:07,912 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2022-12-06 01:32:07,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1828 conditions, 445 events. 242/445 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2012 event pairs, 10 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 1530. Up to 446 conditions per place. [2022-12-06 01:32:07,921 INFO L137 encePairwiseOnDemand]: 10/21 looper letters, 20 selfloop transitions, 9 changer transitions 50/79 dead transitions. [2022-12-06 01:32:07,921 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 79 transitions, 668 flow [2022-12-06 01:32:07,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:32:07,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:32:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 57 transitions. [2022-12-06 01:32:07,924 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3877551020408163 [2022-12-06 01:32:07,926 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 11 predicate places. [2022-12-06 01:32:07,927 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:32:07,927 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 79 transitions, 668 flow [2022-12-06 01:32:07,945 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 79 transitions, 668 flow [2022-12-06 01:32:07,945 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:32:07,945 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:32:07,946 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 20 [2022-12-06 01:32:07,946 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 79 transitions, 668 flow [2022-12-06 01:32:07,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:07,946 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:32:07,947 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:32:07,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:32:07,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:32:07,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:32:07,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1938116131, now seen corresponding path program 1 times [2022-12-06 01:32:07,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:32:07,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768527329] [2022-12-06 01:32:07,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:32:07,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:32:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:32:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:32:08,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:32:08,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768527329] [2022-12-06 01:32:08,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768527329] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:32:08,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:32:08,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:32:08,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970105489] [2022-12-06 01:32:08,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:32:08,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 01:32:08,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:32:08,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 01:32:08,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-06 01:32:08,643 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 21 [2022-12-06 01:32:08,643 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 79 transitions, 668 flow. Second operand has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:08,643 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:32:08,643 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 21 [2022-12-06 01:32:08,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:32:09,198 INFO L130 PetriNetUnfolder]: 270/513 cut-off events. [2022-12-06 01:32:09,199 INFO L131 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2022-12-06 01:32:09,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2618 conditions, 513 events. 270/513 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2446 event pairs, 28 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 2187. Up to 514 conditions per place. [2022-12-06 01:32:09,200 INFO L137 encePairwiseOnDemand]: 13/21 looper letters, 12 selfloop transitions, 4 changer transitions 77/93 dead transitions. [2022-12-06 01:32:09,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 93 transitions, 969 flow [2022-12-06 01:32:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:32:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:32:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 60 transitions. [2022-12-06 01:32:09,202 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.40816326530612246 [2022-12-06 01:32:09,203 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 17 predicate places. [2022-12-06 01:32:09,203 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:32:09,203 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 93 transitions, 969 flow [2022-12-06 01:32:09,206 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 93 transitions, 969 flow [2022-12-06 01:32:09,206 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:32:09,207 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:32:09,208 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5 [2022-12-06 01:32:09,208 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 93 transitions, 969 flow [2022-12-06 01:32:09,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:09,208 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:32:09,208 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:32:09,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 01:32:09,208 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:32:09,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:32:09,209 INFO L85 PathProgramCache]: Analyzing trace with hash 360406269, now seen corresponding path program 2 times [2022-12-06 01:32:09,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:32:09,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680748562] [2022-12-06 01:32:09,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:32:09,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:32:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:32:10,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:32:10,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:32:10,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680748562] [2022-12-06 01:32:10,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680748562] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:32:10,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:32:10,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 01:32:10,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685562839] [2022-12-06 01:32:10,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:32:10,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 01:32:10,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:32:10,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 01:32:10,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-06 01:32:10,671 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 21 [2022-12-06 01:32:10,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 93 transitions, 969 flow. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:10,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:32:10,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 21 [2022-12-06 01:32:10,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:32:11,082 INFO L130 PetriNetUnfolder]: 262/497 cut-off events. [2022-12-06 01:32:11,082 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2022-12-06 01:32:11,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3036 conditions, 497 events. 262/497 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2367 event pairs, 10 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 2524. Up to 498 conditions per place. [2022-12-06 01:32:11,106 INFO L137 encePairwiseOnDemand]: 15/21 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2022-12-06 01:32:11,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 98 transitions, 1215 flow [2022-12-06 01:32:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 01:32:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 01:32:11,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 47 transitions. [2022-12-06 01:32:11,108 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.373015873015873 [2022-12-06 01:32:11,109 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 21 predicate places. [2022-12-06 01:32:11,109 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:32:11,109 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 98 transitions, 1215 flow [2022-12-06 01:32:11,112 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 98 transitions, 1215 flow [2022-12-06 01:32:11,112 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:32:11,113 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:32:11,114 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5 [2022-12-06 01:32:11,114 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 98 transitions, 1215 flow [2022-12-06 01:32:11,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:32:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 01:32:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 01:32:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 01:32:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 01:32:11,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 01:32:11,117 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-12-06 01:32:11,120 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:32:11,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:32:11,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:32:11 BasicIcfg [2022-12-06 01:32:11,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:32:11,123 INFO L158 Benchmark]: Toolchain (without parser) took 477210.43ms. Allocated memory was 200.3MB in the beginning and 388.0MB in the end (delta: 187.7MB). Free memory was 166.1MB in the beginning and 303.4MB in the end (delta: -137.3MB). Peak memory consumption was 52.1MB. Max. memory is 8.0GB. [2022-12-06 01:32:11,123 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:32:11,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5341.01ms. Allocated memory was 200.3MB in the beginning and 246.4MB in the end (delta: 46.1MB). Free memory was 166.1MB in the beginning and 114.2MB in the end (delta: 51.9MB). Peak memory consumption was 146.6MB. Max. memory is 8.0GB. [2022-12-06 01:32:11,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.51ms. Allocated memory is still 246.4MB. Free memory was 114.2MB in the beginning and 105.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-12-06 01:32:11,124 INFO L158 Benchmark]: Boogie Preprocessor took 68.96ms. Allocated memory is still 246.4MB. Free memory was 105.3MB in the beginning and 191.3MB in the end (delta: -86.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-06 01:32:11,124 INFO L158 Benchmark]: RCFGBuilder took 645.21ms. Allocated memory is still 246.4MB. Free memory was 191.3MB in the beginning and 148.9MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2022-12-06 01:32:11,125 INFO L158 Benchmark]: TraceAbstraction took 470993.60ms. Allocated memory was 246.4MB in the beginning and 388.0MB in the end (delta: 141.6MB). Free memory was 148.4MB in the beginning and 303.4MB in the end (delta: -155.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:32:11,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory is still 176.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5341.01ms. Allocated memory was 200.3MB in the beginning and 246.4MB in the end (delta: 46.1MB). Free memory was 166.1MB in the beginning and 114.2MB in the end (delta: 51.9MB). Peak memory consumption was 146.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 156.51ms. Allocated memory is still 246.4MB. Free memory was 114.2MB in the beginning and 105.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 68.96ms. Allocated memory is still 246.4MB. Free memory was 105.3MB in the beginning and 191.3MB in the end (delta: -86.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 645.21ms. Allocated memory is still 246.4MB. Free memory was 191.3MB in the beginning and 148.9MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 470993.60ms. Allocated memory was 246.4MB in the beginning and 388.0MB in the end (delta: 141.6MB). Free memory was 148.4MB in the beginning and 303.4MB in the end (delta: -155.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 464.5s, 318 PlacesBefore, 25 PlacesAfterwards, 322 TransitionsBefore, 22 TransitionsAfterwards, 9480 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 121 ConcurrentYvCompositions, 7 ChoiceCompositions, 304 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6236, independent: 6203, independent conditional: 6203, independent unconditional: 0, dependent: 33, dependent conditional: 33, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6236, independent: 6203, independent conditional: 0, independent unconditional: 6203, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6236, independent: 6203, independent conditional: 0, independent unconditional: 6203, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6236, independent: 6203, independent conditional: 0, independent unconditional: 6203, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5632, independent: 5609, independent conditional: 0, independent unconditional: 5609, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5632, independent: 5598, independent conditional: 0, independent unconditional: 5598, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6236, independent: 594, independent conditional: 0, independent unconditional: 594, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 5632, unknown conditional: 0, unknown unconditional: 5632] , Statistics on independence cache: Total cache size (in pairs): 11952, Positive cache size: 11929, Positive conditional cache size: 0, Positive unconditional cache size: 11929, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 26 PlacesBefore, 26 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 30 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 36 PlacesBefore, 36 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 42 PlacesBefore, 42 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 46 PlacesBefore, 46 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 448 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 470.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 464.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 212 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 580 IncrementalHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 0 mSDtfsCounter, 580 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1215occurred in iteration=5, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 369 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:32:11,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...