/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-RepeatedSemanticLbeWithPredicates.epf -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 04:41:18,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:41:18,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:41:18,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:41:18,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:41:18,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:41:18,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:41:18,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:41:18,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:41:18,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:41:18,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:41:18,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:41:18,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:41:18,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:41:18,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:41:18,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:41:18,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:41:18,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:41:18,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:41:18,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:41:18,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:41:18,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:41:18,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:41:18,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:41:18,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:41:18,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:41:18,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:41:18,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:41:18,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:41:18,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:41:18,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:41:18,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:41:18,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:41:18,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:41:18,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:41:18,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:41:18,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:41:18,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:41:18,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:41:18,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:41:18,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:41:18,640 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:41:18,672 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:41:18,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:41:18,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:41:18,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:41:18,674 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:41:18,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:41:18,675 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:41:18,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:41:18,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:41:18,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:41:18,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:41:18,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:41:18,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:41:18,677 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:41:18,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:41:18,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:41:18,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:41:18,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:41:18,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:41:18,678 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:41:18,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:41:18,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:41:18,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:41:18,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:41:18,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:41:18,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:41:18,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:41:18,679 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:41:18,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:41:18,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:41:19,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:41:19,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:41:19,011 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:41:19,012 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:41:19,013 INFO L432 ainManager$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 04:41:20,184 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:41:20,712 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:41:20,713 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 04:41:20,757 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af96a490/fa408c509cae4fc3b2ca02376c5ef91f/FLAGc420e63a5 [2022-12-06 04:41:20,775 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4af96a490/fa408c509cae4fc3b2ca02376c5ef91f [2022-12-06 04:41:20,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:41:20,780 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:41:20,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:41:20,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:41:20,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:41:20,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:20" (1/1) ... [2022-12-06 04:41:20,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d252396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:20, skipping insertion in model container [2022-12-06 04:41:20,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:41:20" (1/1) ... [2022-12-06 04:41:20,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:41:20,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:41:21,309 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 04:41:21,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:21,880 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:21,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:21,892 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:21,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:21,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:22,061 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:22,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:22,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:22,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:22,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:22,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:22,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:22,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:22,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:22,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:22,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:22,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:22,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:22,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:22,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:22,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:22,608 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 04:41:22,610 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:41:22,612 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:41:22,617 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:41:22,690 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:41:22,699 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:41:22,786 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 04:41:22,909 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:41:22,914 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:41:22,951 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 04:41:22,955 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 04:41:23,128 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 04:41:23,130 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 04:41:23,132 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 04:41:23,185 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 04:41:23,185 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:41:23,187 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 04:41:23,187 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:41:23,280 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 04:41:23,302 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 04:41:23,471 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 04:41:23,474 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 04:41:23,571 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 04:41:23,696 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 04:41:23,696 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 04:41:23,696 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 04:41:24,537 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 04:41:24,538 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:41:24,541 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:41:24,545 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:41:24,549 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:41:24,880 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 04:41:24,884 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 04:41:24,887 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 04:41:24,897 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 04:41:24,897 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 04:41:24,900 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 04:41:24,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:41:24,939 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:41:24,963 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 04:41:24,972 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:24,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:41:24,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:41:25,001 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 04:41:25,002 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:41:25,002 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:41:25,003 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:41:25,006 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:41:25,010 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:41:25,013 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 04:41:25,024 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:41:25,025 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:41:25,028 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 04:41:25,028 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 04:41:25,035 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 04:41:25,036 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 04:41:25,036 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 04:41:25,039 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 04:41:25,039 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:41:25,040 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 04:41:25,040 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:41:25,049 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 04:41:25,052 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 04:41:25,058 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 04:41:25,059 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 04:41:25,063 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 04:41:25,067 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 04:41:25,068 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 04:41:25,068 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 04:41:25,134 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 04:41:25,135 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:41:25,137 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:41:25,145 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:41:25,149 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:41:25,240 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 04:41:25,241 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 04:41:25,242 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 04:41:25,244 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 04:41:25,244 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 04:41:25,244 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 04:41:25,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:41:25,794 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:41:25,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25 WrapperNode [2022-12-06 04:41:25,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:41:25,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:41:25,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:41:25,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:41:25,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:25,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:25,952 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-06 04:41:25,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:41:25,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:41:25,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:41:25,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:41:25,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:25,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:25,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:25,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:26,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:26,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:26,012 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:26,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:26,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:41:26,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:41:26,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:41:26,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:41:26,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (1/1) ... [2022-12-06 04:41:26,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:41:26,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:41:26,069 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 04:41:26,094 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 04:41:26,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:41:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 04:41:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 04:41:26,117 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 04:41:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:41:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:41:26,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:41:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 04:41:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:41:26,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:41:26,120 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-12-06 04:41:26,122 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-12-06 04:41:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:41:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:41:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:41:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 04:41:26,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:41:26,128 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 04:41:26,595 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:41:26,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:41:26,993 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:41:27,030 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:41:27,030 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-06 04:41:27,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:41:27 BoogieIcfgContainer [2022-12-06 04:41:27,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:41:27,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:41:27,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:41:27,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:41:27,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:41:20" (1/3) ... [2022-12-06 04:41:27,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3935867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:41:27, skipping insertion in model container [2022-12-06 04:41:27,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:41:25" (2/3) ... [2022-12-06 04:41:27,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3935867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:41:27, skipping insertion in model container [2022-12-06 04:41:27,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:41:27" (3/3) ... [2022-12-06 04:41:27,041 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-06 04:41:27,057 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:41:27,057 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:41:27,057 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:41:27,176 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 04:41:27,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 332 transitions, 680 flow [2022-12-06 04:41:27,361 INFO L130 PetriNetUnfolder]: 11/330 cut-off events. [2022-12-06 04:41:27,362 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:41:27,371 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 04:41:27,371 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 332 transitions, 680 flow [2022-12-06 04:41:27,382 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 322 transitions, 653 flow [2022-12-06 04:41:27,383 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:41:27,409 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-06 04:41:27,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 322 transitions, 653 flow [2022-12-06 04:41:27,503 INFO L130 PetriNetUnfolder]: 11/322 cut-off events. [2022-12-06 04:41:27,503 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:41:27,508 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 04:41:27,516 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-06 04:41:27,516 INFO L188 LiptonReduction]: Number of co-enabled transitions 9480 [2022-12-06 04:41:29,572 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:29,573 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:29,575 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:29,576 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:29,869 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:29,869 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:29,871 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:29,872 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:30,498 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:30,499 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:30,500 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:30,501 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:31,168 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:31,169 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:31,170 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:31,171 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:31,320 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:31,321 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:31,323 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:31,323 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:32,085 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:32,085 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:32,087 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:32,087 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:32,190 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:32,191 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:32,193 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:32,194 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:32,255 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:32,256 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:32,417 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:32,418 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:41:32,420 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:32,421 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:32,522 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:32,522 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:32,525 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:32,525 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:33,197 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:33,198 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:33,479 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:33,479 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:33,481 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:33,481 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:39,952 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:39,952 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-06 04:41:39,960 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:39,960 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 04:41:39,965 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:39,965 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-06 04:41:39,969 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:39,970 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 04:41:39,975 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:39,976 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 04:41:43,091 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:43,093 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:43,094 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:43,095 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:45,962 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:45,963 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:45,965 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:45,966 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:52,470 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:52,471 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:52,472 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:52,472 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:57,078 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:57,078 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-06 04:41:57,085 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:57,086 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-06 04:41:57,094 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:57,094 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 04:41:57,101 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:57,102 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-06 04:41:57,106 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:57,107 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 04:42:00,479 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:00,480 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 04:42:00,486 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:00,486 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-12-06 04:42:00,489 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:00,490 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 934 [2022-12-06 04:42:00,494 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:00,496 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1218 [2022-12-06 04:42:00,503 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:00,504 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2022-12-06 04:42:00,512 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:00,514 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2022-12-06 04:42:00,520 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:00,521 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-06 04:42:05,791 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:05,792 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:42:05,795 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:05,795 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:42:05,800 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:05,801 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:42:05,804 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:05,805 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:42:06,500 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:06,501 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:42:06,511 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:06,512 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 04:42:06,517 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:06,518 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:42:06,522 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:06,522 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 04:42:06,525 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:06,526 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2022-12-06 04:42:11,673 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:11,674 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 04:42:11,680 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:11,681 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-12-06 04:42:11,685 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:11,686 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2022-12-06 04:42:11,690 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:11,691 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 763 [2022-12-06 04:42:11,706 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:11,708 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 999 [2022-12-06 04:42:11,714 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:11,714 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2022-12-06 04:42:11,719 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:42:11,720 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-06 04:42:37,453 WARN L233 SmtUtils]: Spent 13.62s 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 04:42:52,829 WARN L233 SmtUtils]: Spent 15.36s 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 04:43:05,986 WARN L233 SmtUtils]: Spent 13.15s 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 04:43:16,433 WARN L233 SmtUtils]: Spent 10.44s 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 04:43:17,958 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:43:17,958 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:43:17,961 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:43:17,962 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:43:17,967 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:43:17,968 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:43:17,971 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:43:17,972 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:45:09,023 WARN L233 SmtUtils]: Spent 1.85m 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 04:45:56,154 WARN L233 SmtUtils]: Spent 47.12s 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 04:47:45,227 WARN L233 SmtUtils]: Spent 1.82m 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 04:48:41,883 WARN L233 SmtUtils]: Spent 56.65s 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 04:48:41,936 INFO L203 LiptonReduction]: Total number of compositions: 304 [2022-12-06 04:48:41,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:48:41,952 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;@1de52ab1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:48:41,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 04:48:41,960 INFO L130 PetriNetUnfolder]: 4/19 cut-off events. [2022-12-06 04:48:41,960 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:48:41,961 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:48:41,961 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 04:48:41,961 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 04:48:41,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:48:41,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1598865153, now seen corresponding path program 1 times [2022-12-06 04:48:41,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:48:41,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593214888] [2022-12-06 04:48:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:48:41,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:48:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:48:42,436 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 04:48:42,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:48:42,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593214888] [2022-12-06 04:48:42,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593214888] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:48:42,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:48:42,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:48:42,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754522998] [2022-12-06 04:48:42,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:48:42,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 04:48:42,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:48:42,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 04:48:42,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 04:48:42,467 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 22 [2022-12-06 04:48:42,468 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 04:48:42,468 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:48:42,469 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 22 [2022-12-06 04:48:42,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:48:42,644 INFO L130 PetriNetUnfolder]: 165/276 cut-off events. [2022-12-06 04:48:42,644 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-06 04:48:42,645 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 04:48:42,647 INFO L137 encePairwiseOnDemand]: 21/22 looper letters, 16 selfloop transitions, 0 changer transitions 5/21 dead transitions. [2022-12-06 04:48:42,647 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 21 transitions, 93 flow [2022-12-06 04:48:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 04:48:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 04:48:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-12-06 04:48:42,656 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 04:48:42,658 INFO L175 Difference]: Start difference. First operand has 25 places, 22 transitions, 53 flow. Second operand 2 states and 22 transitions. [2022-12-06 04:48:42,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 21 transitions, 93 flow [2022-12-06 04:48:42,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 21 transitions, 88 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 04:48:42,661 INFO L231 Difference]: Finished difference. Result has 23 places, 16 transitions, 35 flow [2022-12-06 04:48:42,662 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=35, PETRI_PLACES=23, PETRI_TRANSITIONS=16} [2022-12-06 04:48:42,665 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, -2 predicate places. [2022-12-06 04:48:42,665 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:48:42,666 INFO L89 Accepts]: Start accepts. Operand has 23 places, 16 transitions, 35 flow [2022-12-06 04:48:42,668 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:48:42,668 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:48:42,668 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 16 transitions, 35 flow [2022-12-06 04:48:42,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 19 places, 16 transitions, 35 flow [2022-12-06 04:48:42,677 INFO L130 PetriNetUnfolder]: 1/16 cut-off events. [2022-12-06 04:48:42,677 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:48:42,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20 conditions, 16 events. 1/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 29 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2022-12-06 04:48:42,678 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 16 transitions, 35 flow [2022-12-06 04:48:42,678 INFO L188 LiptonReduction]: Number of co-enabled transitions 106 [2022-12-06 04:48:44,952 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 04:48:44,953 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2288 [2022-12-06 04:48:44,953 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 15 transitions, 33 flow [2022-12-06 04:48:44,953 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 04:48:44,954 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:48:44,954 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 04:48:44,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:48:44,954 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 04:48:44,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:48:44,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1598872376, now seen corresponding path program 1 times [2022-12-06 04:48:44,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:48:44,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570929717] [2022-12-06 04:48:44,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:48:44,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:48:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:48:45,452 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 04:48:45,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:48:45,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570929717] [2022-12-06 04:48:45,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570929717] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:48:45,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:48:45,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:48:45,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778599433] [2022-12-06 04:48:45,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:48:45,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:48:45,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:48:45,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:48:45,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:48:45,454 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-06 04:48:45,454 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 15 transitions, 33 flow. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:48:45,454 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:48:45,455 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-06 04:48:45,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:48:45,752 INFO L130 PetriNetUnfolder]: 94/177 cut-off events. [2022-12-06 04:48:45,752 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:48:45,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 177 events. 94/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 624 event pairs, 55 based on Foata normal form. 14/141 useless extension candidates. Maximal degree in co-relation 160. Up to 155 conditions per place. [2022-12-06 04:48:45,753 INFO L137 encePairwiseOnDemand]: 8/15 looper letters, 16 selfloop transitions, 6 changer transitions 1/23 dead transitions. [2022-12-06 04:48:45,753 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 23 transitions, 97 flow [2022-12-06 04:48:45,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:48:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:48:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2022-12-06 04:48:45,755 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2022-12-06 04:48:45,755 INFO L175 Difference]: Start difference. First operand has 18 places, 15 transitions, 33 flow. Second operand 3 states and 24 transitions. [2022-12-06 04:48:45,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 23 transitions, 97 flow [2022-12-06 04:48:45,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 23 transitions, 97 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 04:48:45,757 INFO L231 Difference]: Finished difference. Result has 21 places, 20 transitions, 73 flow [2022-12-06 04:48:45,757 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=33, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=73, PETRI_PLACES=21, PETRI_TRANSITIONS=20} [2022-12-06 04:48:45,758 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, -4 predicate places. [2022-12-06 04:48:45,758 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:48:45,758 INFO L89 Accepts]: Start accepts. Operand has 21 places, 20 transitions, 73 flow [2022-12-06 04:48:45,759 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:48:45,759 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:48:45,759 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 20 transitions, 73 flow [2022-12-06 04:48:45,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 20 transitions, 73 flow [2022-12-06 04:48:45,770 INFO L130 PetriNetUnfolder]: 9/40 cut-off events. [2022-12-06 04:48:45,770 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 04:48:45,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 40 events. 9/40 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 144 event pairs, 4 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 35. Up to 24 conditions per place. [2022-12-06 04:48:45,771 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 20 transitions, 73 flow [2022-12-06 04:48:45,771 INFO L188 LiptonReduction]: Number of co-enabled transitions 78 [2022-12-06 04:48:45,782 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:48:45,785 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 27 [2022-12-06 04:48:45,785 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 20 transitions, 73 flow [2022-12-06 04:48:45,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:48:45,785 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:48:45,786 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:48:45,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:48:45,786 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 04:48:45,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:48:45,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1974564203, now seen corresponding path program 1 times [2022-12-06 04:48:45,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:48:45,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109452394] [2022-12-06 04:48:45,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:48:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:48:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:48:46,737 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 04:48:46,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:48:46,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109452394] [2022-12-06 04:48:46,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109452394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:48:46,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:48:46,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 04:48:46,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909321206] [2022-12-06 04:48:46,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:48:46,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 04:48:46,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:48:46,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 04:48:46,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 04:48:46,739 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-06 04:48:46,740 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 20 transitions, 73 flow. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:48:46,740 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:48:46,740 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-06 04:48:46,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:48:47,199 INFO L130 PetriNetUnfolder]: 85/163 cut-off events. [2022-12-06 04:48:47,199 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-06 04:48:47,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 163 events. 85/163 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 621 event pairs, 6 based on Foata normal form. 5/146 useless extension candidates. Maximal degree in co-relation 340. Up to 114 conditions per place. [2022-12-06 04:48:47,201 INFO L137 encePairwiseOnDemand]: 7/15 looper letters, 17 selfloop transitions, 9 changer transitions 7/33 dead transitions. [2022-12-06 04:48:47,202 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 33 transitions, 183 flow [2022-12-06 04:48:47,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:48:47,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:48:47,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-12-06 04:48:47,203 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4266666666666667 [2022-12-06 04:48:47,203 INFO L175 Difference]: Start difference. First operand has 21 places, 20 transitions, 73 flow. Second operand 5 states and 32 transitions. [2022-12-06 04:48:47,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 33 transitions, 183 flow [2022-12-06 04:48:47,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 33 transitions, 177 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:48:47,206 INFO L231 Difference]: Finished difference. Result has 25 places, 20 transitions, 98 flow [2022-12-06 04:48:47,206 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=98, PETRI_PLACES=25, PETRI_TRANSITIONS=20} [2022-12-06 04:48:47,207 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 0 predicate places. [2022-12-06 04:48:47,208 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:48:47,208 INFO L89 Accepts]: Start accepts. Operand has 25 places, 20 transitions, 98 flow [2022-12-06 04:48:47,208 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:48:47,208 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:48:47,208 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 20 transitions, 98 flow [2022-12-06 04:48:47,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 20 transitions, 98 flow [2022-12-06 04:48:47,219 INFO L130 PetriNetUnfolder]: 7/33 cut-off events. [2022-12-06 04:48:47,219 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-06 04:48:47,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 33 events. 7/33 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 82 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 60. Up to 20 conditions per place. [2022-12-06 04:48:47,220 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 20 transitions, 98 flow [2022-12-06 04:48:47,220 INFO L188 LiptonReduction]: Number of co-enabled transitions 60 [2022-12-06 04:48:47,248 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:48:47,251 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 43 [2022-12-06 04:48:47,251 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 20 transitions, 98 flow [2022-12-06 04:48:47,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:48:47,251 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:48:47,251 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:48:47,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 04:48:47,251 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 04:48:47,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:48:47,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1032351169, now seen corresponding path program 1 times [2022-12-06 04:48:47,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:48:47,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167176749] [2022-12-06 04:48:47,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:48:47,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:48:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:49:02,118 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 04:49:02,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:49:02,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167176749] [2022-12-06 04:49:02,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167176749] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:49:02,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:49:02,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 04:49:02,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994639255] [2022-12-06 04:49:02,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:49:02,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 04:49:02,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:49:02,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 04:49:02,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 04:49:02,122 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 14 [2022-12-06 04:49:02,122 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 98 flow. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:49:02,122 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:49:02,122 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 14 [2022-12-06 04:49:02,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:49:02,460 INFO L130 PetriNetUnfolder]: 62/130 cut-off events. [2022-12-06 04:49:02,461 INFO L131 PetriNetUnfolder]: For 70/70 co-relation queries the response was YES. [2022-12-06 04:49:02,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 130 events. 62/130 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 454 event pairs, 15 based on Foata normal form. 8/120 useless extension candidates. Maximal degree in co-relation 240. Up to 85 conditions per place. [2022-12-06 04:49:02,461 INFO L137 encePairwiseOnDemand]: 9/14 looper letters, 10 selfloop transitions, 4 changer transitions 16/30 dead transitions. [2022-12-06 04:49:02,462 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 30 transitions, 196 flow [2022-12-06 04:49:02,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:49:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:49:02,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2022-12-06 04:49:02,463 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4 [2022-12-06 04:49:02,463 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 98 flow. Second operand 5 states and 28 transitions. [2022-12-06 04:49:02,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 30 transitions, 196 flow [2022-12-06 04:49:02,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 30 transitions, 185 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 04:49:02,466 INFO L231 Difference]: Finished difference. Result has 26 places, 14 transitions, 65 flow [2022-12-06 04:49:02,466 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=65, PETRI_PLACES=26, PETRI_TRANSITIONS=14} [2022-12-06 04:49:02,468 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 1 predicate places. [2022-12-06 04:49:02,468 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:49:02,468 INFO L89 Accepts]: Start accepts. Operand has 26 places, 14 transitions, 65 flow [2022-12-06 04:49:02,468 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:49:02,469 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:49:02,469 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 14 transitions, 65 flow [2022-12-06 04:49:02,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 14 transitions, 65 flow [2022-12-06 04:49:02,477 INFO L130 PetriNetUnfolder]: 3/19 cut-off events. [2022-12-06 04:49:02,477 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-06 04:49:02,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 19 events. 3/19 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 22 event pairs, 2 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 34. Up to 12 conditions per place. [2022-12-06 04:49:02,477 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 14 transitions, 65 flow [2022-12-06 04:49:02,477 INFO L188 LiptonReduction]: Number of co-enabled transitions 10 [2022-12-06 04:49:02,480 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:02,481 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:02,482 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:49:02,483 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:49:02,483 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [953] L6717-14-->L6720: Formula: (let ((.cse0 (mod |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_33| 4294967296))) (and (= (store |v_#memory_$Pointer$.offset_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23| (store (select |v_#memory_$Pointer$.offset_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23| (select (select |v_#memory_$Pointer$.offset_45| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|))) |v_#memory_$Pointer$.offset_45|) (= |v_#memory_int_75| (store |v_#memory_int_76| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23| (store (select |v_#memory_int_76| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23| .cse0))) (= |v_#memory_$Pointer$.base_45| (store |v_#memory_$Pointer$.base_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23| (store (select |v_#memory_$Pointer$.base_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23| (select (select |v_#memory_$Pointer$.base_45| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|)))) (or (not (< 0 (mod |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_25| 4294967296))) (not (< .cse0 (mod v_~nvram_len~0_14 4294967296)))))) InVars {whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_46|, #memory_int=|v_#memory_int_76|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_25|, ~nvram_len~0=v_~nvram_len~0_14, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_33|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_46|} OutVars{whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_45|, #memory_int=|v_#memory_int_75|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_25|, ~nvram_len~0=v_~nvram_len~0_14, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_33|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_45|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #memory_int, #memory_$Pointer$.offset] and [1207] L6861-3-->L6862-3: Formula: (and (= (store |v_#memory_$Pointer$.base_248| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37| (store (select |v_#memory_$Pointer$.base_248| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37| (select (select |v_#memory_$Pointer$.base_247| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37|))) |v_#memory_$Pointer$.base_247|) (= |v_ULTIMATE.start_main_#t~pre1183#1_27| |v_#pthreadsForks_44|) (= |v_#memory_$Pointer$.offset_247| (store |v_#memory_$Pointer$.offset_248| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37| (store (select |v_#memory_$Pointer$.offset_248| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37| (select (select |v_#memory_$Pointer$.offset_247| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37|)))) (= (store |v_#memory_int_381| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37| (store (select |v_#memory_int_381| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre1183#1_27|)) |v_#memory_int_380|) (= |v_#pthreadsForks_43| (+ |v_#pthreadsForks_44| 1))) InVars {ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_248|, #pthreadsForks=|v_#pthreadsForks_44|, ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|, #memory_int=|v_#memory_int_381|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_248|} OutVars{ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_247|, #pthreadsForks=|v_#pthreadsForks_43|, ULTIMATE.start_main_#t~pre1181#1=|v_ULTIMATE.start_main_#t~pre1181#1_27|, ULTIMATE.start_main_#t~pre1183#1=|v_ULTIMATE.start_main_#t~pre1183#1_27|, ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|, #memory_int=|v_#memory_int_380|, ULTIMATE.start_main_#t~nondet1182#1=|v_ULTIMATE.start_main_#t~nondet1182#1_11|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_247|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #pthreadsForks, ULTIMATE.start_main_#t~pre1181#1, ULTIMATE.start_main_#t~pre1183#1, #memory_int, ULTIMATE.start_main_#t~nondet1182#1, #memory_$Pointer$.offset] [2022-12-06 04:49:02,843 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 04:49:02,844 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 376 [2022-12-06 04:49:02,844 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 12 transitions, 59 flow [2022-12-06 04:49:02,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:49:02,844 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:49:02,844 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:49:02,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 04:49:02,844 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 04:49:02,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:49:02,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1996620982, now seen corresponding path program 1 times [2022-12-06 04:49:02,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:49:02,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114624131] [2022-12-06 04:49:02,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:49:02,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:49:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:49:03,534 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 04:49:03,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:49:03,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114624131] [2022-12-06 04:49:03,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114624131] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:49:03,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:49:03,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 04:49:03,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438359922] [2022-12-06 04:49:03,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:49:03,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 04:49:03,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:49:03,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 04:49:03,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-06 04:49:03,536 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 12 [2022-12-06 04:49:03,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 12 transitions, 59 flow. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:49:03,536 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:49:03,536 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 12 [2022-12-06 04:49:03,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:49:03,906 INFO L130 PetriNetUnfolder]: 5/19 cut-off events. [2022-12-06 04:49:03,907 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-12-06 04:49:03,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 19 events. 5/19 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 28 event pairs, 4 based on Foata normal form. 8/23 useless extension candidates. Maximal degree in co-relation 42. Up to 15 conditions per place. [2022-12-06 04:49:03,907 INFO L137 encePairwiseOnDemand]: 8/12 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2022-12-06 04:49:03,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 11 transitions, 73 flow [2022-12-06 04:49:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:49:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:49:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-12-06 04:49:03,908 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2 [2022-12-06 04:49:03,908 INFO L175 Difference]: Start difference. First operand has 23 places, 12 transitions, 59 flow. Second operand 5 states and 12 transitions. [2022-12-06 04:49:03,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 11 transitions, 73 flow [2022-12-06 04:49:03,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 11 transitions, 47 flow, removed 7 selfloop flow, removed 8 redundant places. [2022-12-06 04:49:03,909 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2022-12-06 04:49:03,909 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=12, PETRI_DIFFERENCE_MINUEND_FLOW=25, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2022-12-06 04:49:03,910 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, -7 predicate places. [2022-12-06 04:49:03,910 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:49:03,910 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 0 transitions, 0 flow [2022-12-06 04:49:03,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:49:03,910 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:49:03,911 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:49:03,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:49:03,911 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:49:03,911 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:49:03,911 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:49:03,912 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-06 04:49:03,912 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:49:03,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:49:03,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 04:49:03,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 04:49:03,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 04:49:03,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 04:49:03,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 04:49:03,915 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-06 04:49:03,919 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:49:03,919 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:49:03,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:49:03 BasicIcfg [2022-12-06 04:49:03,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:49:03,922 INFO L158 Benchmark]: Toolchain (without parser) took 463142.40ms. Allocated memory was 202.4MB in the beginning and 738.2MB in the end (delta: 535.8MB). Free memory was 167.8MB in the beginning and 329.5MB in the end (delta: -161.7MB). Peak memory consumption was 374.9MB. Max. memory is 8.0GB. [2022-12-06 04:49:03,922 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory was 178.9MB in the beginning and 178.9MB in the end (delta: 63.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:49:03,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5012.77ms. Allocated memory was 202.4MB in the beginning and 354.4MB in the end (delta: 152.0MB). Free memory was 167.8MB in the beginning and 223.7MB in the end (delta: -55.8MB). Peak memory consumption was 108.0MB. Max. memory is 8.0GB. [2022-12-06 04:49:03,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.57ms. Allocated memory is still 354.4MB. Free memory was 223.7MB in the beginning and 214.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-06 04:49:03,923 INFO L158 Benchmark]: Boogie Preprocessor took 76.89ms. Allocated memory is still 354.4MB. Free memory was 214.2MB in the beginning and 210.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-06 04:49:03,923 INFO L158 Benchmark]: RCFGBuilder took 1003.09ms. Allocated memory is still 354.4MB. Free memory was 210.0MB in the beginning and 168.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2022-12-06 04:49:03,923 INFO L158 Benchmark]: TraceAbstraction took 456885.07ms. Allocated memory was 354.4MB in the beginning and 738.2MB in the end (delta: 383.8MB). Free memory was 167.6MB in the beginning and 329.5MB in the end (delta: -162.0MB). Peak memory consumption was 221.8MB. Max. memory is 8.0GB. [2022-12-06 04:49:03,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory was 178.9MB in the beginning and 178.9MB in the end (delta: 63.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5012.77ms. Allocated memory was 202.4MB in the beginning and 354.4MB in the end (delta: 152.0MB). Free memory was 167.8MB in the beginning and 223.7MB in the end (delta: -55.8MB). Peak memory consumption was 108.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 157.57ms. Allocated memory is still 354.4MB. Free memory was 223.7MB in the beginning and 214.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.89ms. Allocated memory is still 354.4MB. Free memory was 214.2MB in the beginning and 210.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1003.09ms. Allocated memory is still 354.4MB. Free memory was 210.0MB in the beginning and 168.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 456885.07ms. Allocated memory was 354.4MB in the beginning and 738.2MB in the end (delta: 383.8MB). Free memory was 167.6MB in the beginning and 329.5MB in the end (delta: -162.0MB). Peak memory consumption was 221.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 434.4s, 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: 97, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 88, dependent conditional: 0, dependent unconditional: 88, 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: 2.3s, 19 PlacesBefore, 18 PlacesAfterwards, 16 TransitionsBefore, 15 TransitionsAfterwards, 106 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2241, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 96, dependent conditional: 0, dependent unconditional: 96, unknown: 2135, unknown conditional: 0, unknown unconditional: 2135] ], Cache Queries: [ total: 27, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 21 PlacesBefore, 21 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 24 PlacesBefore, 24 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 17, dependent conditional: 17, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 35, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 14, dependent conditional: 13, dependent unconditional: 1, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 15, Positive conditional cache size: 4, Positive unconditional cache size: 11, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 26 PlacesBefore, 23 PlacesAfterwards, 14 TransitionsBefore, 12 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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): 31, Positive cache size: 15, Positive conditional cache size: 4, Positive unconditional cache size: 11, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 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): 31, Positive cache size: 15, Positive conditional cache size: 4, Positive unconditional cache size: 11, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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: 456.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 434.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 0 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=3, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.5s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 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 04:49:03,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...