/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:26:37,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:26:37,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:26:37,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:26:37,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:26:37,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:26:37,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:26:37,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:26:37,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:26:37,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:26:37,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:26:37,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:26:37,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:26:37,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:26:37,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:26:37,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:26:37,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:26:37,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:26:37,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:26:37,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:26:37,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:26:37,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:26:37,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:26:37,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:26:37,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:26:37,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:26:37,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:26:37,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:26:37,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:26:37,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:26:37,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:26:37,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:26:37,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:26:37,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:26:37,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:26:37,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:26:37,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:26:37,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:26:37,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:26:37,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:26:37,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:26:37,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-05 23:26:37,718 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:26:37,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:26:37,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:26:37,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:26:37,733 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:26:37,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:26:37,734 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:26:37,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:26:37,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:26:37,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:26:37,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:26:37,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:26:37,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:26:37,735 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:26:37,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:26:37,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:26:37,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:26:37,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:26:37,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:26:37,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:26:37,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:26:37,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:26:37,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:26:37,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:26:37,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:26:37,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:26:37,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:26:37,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:26:37,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:26:38,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:26:38,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:26:38,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:26:38,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:26:38,035 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:26:38,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-05 23:26:39,207 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:26:39,697 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:26:39,698 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-05 23:26:39,745 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a39adc0ff/152c7e5090884c23bc0f333b570159d1/FLAG5f49b66b9 [2022-12-05 23:26:39,765 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a39adc0ff/152c7e5090884c23bc0f333b570159d1 [2022-12-05 23:26:39,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:26:39,769 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:26:39,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:26:39,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:26:39,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:26:39,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:39" (1/1) ... [2022-12-05 23:26:39,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cdaeefc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:39, skipping insertion in model container [2022-12-05 23:26:39,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:39" (1/1) ... [2022-12-05 23:26:39,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:26:39,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:26:40,227 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-12-05 23:26:40,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,523 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,617 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,621 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,625 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,635 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,635 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,638 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,639 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,642 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,642 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,645 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:40,645 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:40,968 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 23:26:40,972 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:40,974 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:40,979 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:41,044 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:26:41,048 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:26:41,123 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 23:26:41,278 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:26:41,286 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:26:41,326 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 23:26:41,329 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 23:26:41,559 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 23:26:41,561 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 23:26:41,563 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 23:26:41,622 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 23:26:41,622 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:26:41,624 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 23:26:41,625 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:26:41,731 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 23:26:41,752 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 23:26:41,860 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 23:26:41,864 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 23:26:42,020 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 23:26:42,199 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 23:26:42,199 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 23:26:42,199 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 23:26:42,991 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 23:26:42,992 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:42,996 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:43,000 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:43,005 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:43,532 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 23:26:43,539 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 23:26:43,545 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 23:26:43,559 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 23:26:43,560 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 23:26:43,567 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 23:26:43,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:26:43,652 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:26:43,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-12-05 23:26:43,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,681 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:43,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:43,692 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 23:26:43,692 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:43,693 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:43,693 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:43,696 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:26:43,697 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:26:43,699 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 23:26:43,708 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:26:43,709 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:26:43,711 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 23:26:43,711 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 23:26:43,719 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 23:26:43,720 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 23:26:43,720 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 23:26:43,723 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 23:26:43,723 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:26:43,723 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 23:26:43,723 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:26:43,730 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 23:26:43,731 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 23:26:43,735 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 23:26:43,736 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 23:26:43,739 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 23:26:43,742 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 23:26:43,742 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 23:26:43,742 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 23:26:43,794 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 23:26:43,794 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:43,802 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:43,810 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:43,813 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:43,851 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 23:26:43,852 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 23:26:43,853 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 23:26:43,855 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 23:26:43,856 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 23:26:43,856 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 23:26:43,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:26:44,215 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:26:44,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44 WrapperNode [2022-12-05 23:26:44,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:26:44,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:26:44,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:26:44,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:26:44,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,368 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-05 23:26:44,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:26:44,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:26:44,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:26:44,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:26:44,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,422 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:26:44,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:26:44,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:26:44,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:26:44,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (1/1) ... [2022-12-05 23:26:44,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:26:44,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:26:44,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 23:26:44,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 23:26:44,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 23:26:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 23:26:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-05 23:26:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-05 23:26:44,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:26:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:26:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:26:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 23:26:44,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:26:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:26:44,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 23:26:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:26:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 23:26:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 23:26:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2022-12-05 23:26:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2022-12-05 23:26:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:26:44,516 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:26:45,000 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:26:45,001 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:26:45,348 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:26:45,371 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:26:45,371 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-05 23:26:45,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:45 BoogieIcfgContainer [2022-12-05 23:26:45,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:26:45,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:26:45,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:26:45,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:26:45,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:26:39" (1/3) ... [2022-12-05 23:26:45,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a19b7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:26:45, skipping insertion in model container [2022-12-05 23:26:45,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:44" (2/3) ... [2022-12-05 23:26:45,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a19b7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:26:45, skipping insertion in model container [2022-12-05 23:26:45,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:45" (3/3) ... [2022-12-05 23:26:45,380 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-12-05 23:26:45,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:26:45,394 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 23:26:45,394 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:26:45,475 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 23:26:45,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 331 transitions, 678 flow [2022-12-05 23:26:45,681 INFO L130 PetriNetUnfolder]: 11/329 cut-off events. [2022-12-05 23:26:45,682 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 23:26:45,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 329 events. 11/329 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 310 event pairs, 0 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 274. Up to 4 conditions per place. [2022-12-05 23:26:45,691 INFO L82 GeneralOperation]: Start removeDead. Operand has 327 places, 331 transitions, 678 flow [2022-12-05 23:26:45,700 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 317 places, 321 transitions, 651 flow [2022-12-05 23:26:45,701 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:26:45,724 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 317 places, 321 transitions, 651 flow [2022-12-05 23:26:45,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 317 places, 321 transitions, 651 flow [2022-12-05 23:26:45,802 INFO L130 PetriNetUnfolder]: 11/321 cut-off events. [2022-12-05 23:26:45,802 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:26:45,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 321 events. 11/321 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 291 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 274. Up to 4 conditions per place. [2022-12-05 23:26:45,815 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 317 places, 321 transitions, 651 flow [2022-12-05 23:26:45,815 INFO L188 LiptonReduction]: Number of co-enabled transitions 9378 [2022-12-05 23:26:46,055 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:46,056 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:48,038 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:48,039 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:48,041 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:48,041 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:49,078 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:49,079 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 23:26:49,080 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:49,081 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:51,237 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:51,238 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:51,464 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:51,466 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-05 23:26:52,796 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:52,797 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:52,798 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:52,799 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:53,086 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:53,087 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:53,089 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:53,089 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:53,841 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:53,842 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:53,845 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:53,845 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:54,844 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:54,845 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:54,846 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:54,846 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:54,903 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:54,904 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-05 23:26:54,911 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:54,912 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-05 23:26:54,918 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:54,919 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 23:26:54,922 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:54,923 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-05 23:26:57,673 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:57,673 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 23:26:57,688 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:57,688 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-05 23:26:57,693 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:57,693 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2022-12-05 23:26:57,698 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:57,699 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 23:26:57,704 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:57,705 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-05 23:27:03,588 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:03,589 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:03,590 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:03,591 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:03,670 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:03,670 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:03,672 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:03,672 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:09,609 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:09,610 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:09,611 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:09,612 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:16,262 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:16,263 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:16,264 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:16,265 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:24,852 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:24,853 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:24,854 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:24,855 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:41,985 WARN L233 SmtUtils]: Spent 12.56s on a formula simplification that was a NOOP. DAG size: 401 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:27:49,322 WARN L233 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 337 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:27:59,869 WARN L233 SmtUtils]: Spent 10.55s on a formula simplification that was a NOOP. DAG size: 401 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:28:09,960 WARN L233 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 337 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:28:10,066 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:10,070 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2022-12-05 23:28:10,074 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:10,074 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2022-12-05 23:28:10,078 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:10,078 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2022-12-05 23:28:10,081 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:10,082 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2022-12-05 23:28:10,086 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:10,091 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2022-12-05 23:28:10,095 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:10,096 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2022-12-05 23:28:18,749 WARN L233 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:28:27,219 WARN L233 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:28:43,188 WARN L233 SmtUtils]: Spent 15.96s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:28:59,963 WARN L233 SmtUtils]: Spent 16.77s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:29:01,085 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:29:01,085 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:29:01,088 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:29:01,088 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:29:01,093 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:29:01,094 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:29:01,096 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:29:01,097 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:30:31,927 WARN L233 SmtUtils]: Spent 1.51m 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) [2022-12-05 23:31:18,161 WARN L233 SmtUtils]: Spent 46.23s 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) [2022-12-05 23:32:57,809 WARN L233 SmtUtils]: Spent 1.66m 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) [2022-12-05 23:33:51,601 WARN L233 SmtUtils]: Spent 53.79s 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) [2022-12-05 23:33:51,642 INFO L203 LiptonReduction]: Total number of compositions: 303 [2022-12-05 23:33:51,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:33:51,657 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;@505cd3a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:33:51,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 23:33:51,666 INFO L130 PetriNetUnfolder]: 3/17 cut-off events. [2022-12-05 23:33:51,666 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:33:51,666 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:51,666 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 23:33:51,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:33:51,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:51,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1429647907, now seen corresponding path program 1 times [2022-12-05 23:33:51,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:51,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374730820] [2022-12-05 23:33:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:51,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:52,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:52,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374730820] [2022-12-05 23:33:52,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374730820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:52,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:52,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:33:52,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933844862] [2022-12-05 23:33:52,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:52,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:33:52,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:52,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:33:52,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:33:52,663 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 20 [2022-12-05 23:33:52,664 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 49 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) [2022-12-05 23:33:52,664 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:52,664 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 20 [2022-12-05 23:33:52,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:52,987 INFO L130 PetriNetUnfolder]: 177/312 cut-off events. [2022-12-05 23:33:52,988 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-05 23:33:52,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 658 conditions, 312 events. 177/312 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1141 event pairs, 83 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 548. Up to 240 conditions per place. [2022-12-05 23:33:52,990 INFO L137 encePairwiseOnDemand]: 12/20 looper letters, 16 selfloop transitions, 6 changer transitions 9/31 dead transitions. [2022-12-05 23:33:52,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 31 transitions, 139 flow [2022-12-05 23:33:52,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:33:52,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:33:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2022-12-05 23:33:53,000 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2022-12-05 23:33:53,001 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 49 flow. Second operand 3 states and 32 transitions. [2022-12-05 23:33:53,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 31 transitions, 139 flow [2022-12-05 23:33:53,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 31 transitions, 131 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 23:33:53,006 INFO L231 Difference]: Finished difference. Result has 24 places, 20 transitions, 73 flow [2022-12-05 23:33:53,007 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=20, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=73, PETRI_PLACES=24, PETRI_TRANSITIONS=20} [2022-12-05 23:33:53,010 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places. [2022-12-05 23:33:53,010 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:53,011 INFO L89 Accepts]: Start accepts. Operand has 24 places, 20 transitions, 73 flow [2022-12-05 23:33:53,012 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:53,013 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:53,013 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 20 transitions, 73 flow [2022-12-05 23:33:53,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 20 transitions, 73 flow [2022-12-05 23:33:53,026 INFO L130 PetriNetUnfolder]: 9/40 cut-off events. [2022-12-05 23:33:53,026 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-05 23:33:53,026 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 10. Compared 136 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. [2022-12-05 23:33:53,027 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 20 transitions, 73 flow [2022-12-05 23:33:53,027 INFO L188 LiptonReduction]: Number of co-enabled transitions 78 [2022-12-05 23:33:53,040 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:33:53,041 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 31 [2022-12-05 23:33:53,041 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 20 transitions, 73 flow [2022-12-05 23:33:53,041 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) [2022-12-05 23:33:53,041 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:53,041 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:53,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:33:53,042 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:33:53,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:53,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1369411762, now seen corresponding path program 1 times [2022-12-05 23:33:53,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:53,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000593160] [2022-12-05 23:33:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:53,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:55,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:55,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000593160] [2022-12-05 23:33:55,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000593160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:55,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:55,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:33:55,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162419981] [2022-12-05 23:33:55,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:55,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:33:55,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:55,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:33:55,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:33:55,631 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-05 23:33:55,631 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) [2022-12-05 23:33:55,631 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:55,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-05 23:33:55,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:56,021 INFO L130 PetriNetUnfolder]: 85/163 cut-off events. [2022-12-05 23:33:56,022 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-05 23:33:56,022 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 20. Compared 620 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. [2022-12-05 23:33:56,023 INFO L137 encePairwiseOnDemand]: 7/15 looper letters, 17 selfloop transitions, 9 changer transitions 7/33 dead transitions. [2022-12-05 23:33:56,023 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 33 transitions, 183 flow [2022-12-05 23:33:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:33:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:33:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-12-05 23:33:56,024 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4266666666666667 [2022-12-05 23:33:56,024 INFO L175 Difference]: Start difference. First operand has 21 places, 20 transitions, 73 flow. Second operand 5 states and 32 transitions. [2022-12-05 23:33:56,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 33 transitions, 183 flow [2022-12-05 23:33:56,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 33 transitions, 177 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:33:56,026 INFO L231 Difference]: Finished difference. Result has 25 places, 20 transitions, 98 flow [2022-12-05 23:33:56,026 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} [2022-12-05 23:33:56,027 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 1 predicate places. [2022-12-05 23:33:56,027 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:56,027 INFO L89 Accepts]: Start accepts. Operand has 25 places, 20 transitions, 98 flow [2022-12-05 23:33:56,028 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:56,028 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:56,028 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 20 transitions, 98 flow [2022-12-05 23:33:56,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 20 transitions, 98 flow [2022-12-05 23:33:56,038 INFO L130 PetriNetUnfolder]: 7/33 cut-off events. [2022-12-05 23:33:56,038 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-05 23:33:56,039 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. [2022-12-05 23:33:56,039 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 20 transitions, 98 flow [2022-12-05 23:33:56,039 INFO L188 LiptonReduction]: Number of co-enabled transitions 60 [2022-12-05 23:33:56,065 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:33:56,066 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 39 [2022-12-05 23:33:56,066 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 20 transitions, 98 flow [2022-12-05 23:33:56,067 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) [2022-12-05 23:33:56,067 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:56,067 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:56,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:33:56,067 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:33:56,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:56,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1659951107, now seen corresponding path program 1 times [2022-12-05 23:33:56,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:56,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394085635] [2022-12-05 23:33:56,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:56,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:56,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:56,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394085635] [2022-12-05 23:33:56,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394085635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:56,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:56,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:33:56,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561705518] [2022-12-05 23:33:56,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:56,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:33:56,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:56,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:33:56,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:33:56,742 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 14 [2022-12-05 23:33:56,742 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) [2022-12-05 23:33:56,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:56,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 14 [2022-12-05 23:33:56,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:57,081 INFO L130 PetriNetUnfolder]: 62/130 cut-off events. [2022-12-05 23:33:57,081 INFO L131 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2022-12-05 23:33:57,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 130 events. 62/130 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 450 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. [2022-12-05 23:33:57,082 INFO L137 encePairwiseOnDemand]: 9/14 looper letters, 10 selfloop transitions, 4 changer transitions 16/30 dead transitions. [2022-12-05 23:33:57,082 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 30 transitions, 196 flow [2022-12-05 23:33:57,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:33:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:33:57,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2022-12-05 23:33:57,086 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4 [2022-12-05 23:33:57,086 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 98 flow. Second operand 5 states and 28 transitions. [2022-12-05 23:33:57,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 30 transitions, 196 flow [2022-12-05 23:33:57,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 30 transitions, 185 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 23:33:57,088 INFO L231 Difference]: Finished difference. Result has 26 places, 14 transitions, 65 flow [2022-12-05 23:33:57,088 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} [2022-12-05 23:33:57,089 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 2 predicate places. [2022-12-05 23:33:57,089 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:33:57,090 INFO L89 Accepts]: Start accepts. Operand has 26 places, 14 transitions, 65 flow [2022-12-05 23:33:57,091 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:33:57,091 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:57,091 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 14 transitions, 65 flow [2022-12-05 23:33:57,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 14 transitions, 65 flow [2022-12-05 23:33:57,099 INFO L130 PetriNetUnfolder]: 3/19 cut-off events. [2022-12-05 23:33:57,099 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-05 23:33:57,100 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. [2022-12-05 23:33:57,100 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 14 transitions, 65 flow [2022-12-05 23:33:57,100 INFO L188 LiptonReduction]: Number of co-enabled transitions 10 [2022-12-05 23:33:57,401 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:33:57,401 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:33:57,403 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:33:57,403 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:33:57,404 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [1235] L6734-14-->L6739: Formula: (let ((.cse0 (mod |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~i~2#1_In_9| 4294967296))) (and (= (store |v_#memory_$Pointer$.offset_In_27| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6| (store (select |v_#memory_$Pointer$.offset_In_27| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6|) |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_In_6| (select (select |v_#memory_$Pointer$.offset_Out_48| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6|) |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_In_6|))) |v_#memory_$Pointer$.offset_Out_48|) (= (store |v_#memory_int_In_48| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6| (store (select |v_#memory_int_In_48| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6|) |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_In_6| .cse0)) |v_#memory_int_Out_48|) (= (store |v_#memory_$Pointer$.base_In_27| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6| (store (select |v_#memory_$Pointer$.base_In_27| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6|) |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_In_6| (select (select |v_#memory_$Pointer$.base_Out_48| |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6|) |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_In_6|))) |v_#memory_$Pointer$.base_Out_48|) (or (not (< 0 (mod |v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1_In_7| 4294967296))) (not (< .cse0 (mod v_~nvram_len~0_In_10 4294967296)))))) InVars {whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~i~2#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~i~2#1_In_9|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_In_6|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_In_27|, #memory_int=|v_#memory_int_In_48|, ~nvram_len~0=v_~nvram_len~0_In_10, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1_In_7|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_In_27|} OutVars{whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~i~2#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~i~2#1_In_9|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.offset_In_6|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_Out_48|, #memory_int=|v_#memory_int_Out_48|, ~nvram_len~0=v_~nvram_len~0_In_10, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~count#1_In_7|, whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base=|v_whoop_wrapper_write_nvramThread1of1ForFork0_write_nvram_~ppos#1.base_In_6|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_Out_48|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #memory_int, #memory_$Pointer$.offset] and [1175] L6861-3-->L6862-3: Formula: (and (= |v_#pthreadsForks_41| (+ |v_#pthreadsForks_42| 1)) (= (store |v_#memory_$Pointer$.base_200| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39| (store (select |v_#memory_$Pointer$.base_200| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_39| (select (select |v_#memory_$Pointer$.base_199| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_39|))) |v_#memory_$Pointer$.base_199|) (= |v_#memory_$Pointer$.offset_199| (store |v_#memory_$Pointer$.offset_200| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39| (store (select |v_#memory_$Pointer$.offset_200| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_39| (select (select |v_#memory_$Pointer$.offset_199| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_39|)))) (= |v_ULTIMATE.start_main_#t~pre1183#1_39| |v_#pthreadsForks_42|) (= (store |v_#memory_int_330| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39| (store (select |v_#memory_int_330| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_39| |v_ULTIMATE.start_main_#t~pre1183#1_39|)) |v_#memory_int_329|)) InVars {ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_39|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_200|, #pthreadsForks=|v_#pthreadsForks_42|, ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39|, #memory_int=|v_#memory_int_330|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_200|} OutVars{ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_39|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_199|, #pthreadsForks=|v_#pthreadsForks_41|, ULTIMATE.start_main_#t~pre1181#1=|v_ULTIMATE.start_main_#t~pre1181#1_19|, ULTIMATE.start_main_#t~pre1183#1=|v_ULTIMATE.start_main_#t~pre1183#1_39|, ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_39|, #memory_int=|v_#memory_int_329|, ULTIMATE.start_main_#t~nondet1182#1=|v_ULTIMATE.start_main_#t~nondet1182#1_25|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_199|} 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] [2022-12-05 23:33:57,615 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 23:33:57,616 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 527 [2022-12-05 23:33:57,616 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 12 transitions, 59 flow [2022-12-05 23:33:57,617 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) [2022-12-05 23:33:57,617 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:33:57,617 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:33:57,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 23:33:57,617 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 23:33:57,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:33:57,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1352215628, now seen corresponding path program 1 times [2022-12-05 23:33:57,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:33:57,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852042160] [2022-12-05 23:33:57,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:33:57,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:33:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:33:58,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:33:58,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:33:58,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852042160] [2022-12-05 23:33:58,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852042160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:33:58,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:33:58,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:33:58,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444831883] [2022-12-05 23:33:58,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:33:58,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:33:58,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:33:58,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:33:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:33:58,636 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 12 [2022-12-05 23:33:58,636 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) [2022-12-05 23:33:58,636 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:33:58,636 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 12 [2022-12-05 23:33:58,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:33:59,005 INFO L130 PetriNetUnfolder]: 5/19 cut-off events. [2022-12-05 23:33:59,005 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-05 23:33:59,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 19 events. 5/19 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 26 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. [2022-12-05 23:33:59,005 INFO L137 encePairwiseOnDemand]: 8/12 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2022-12-05 23:33:59,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 11 transitions, 73 flow [2022-12-05 23:33:59,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:33:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:33:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-12-05 23:33:59,006 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2 [2022-12-05 23:33:59,006 INFO L175 Difference]: Start difference. First operand has 23 places, 12 transitions, 59 flow. Second operand 5 states and 12 transitions. [2022-12-05 23:33:59,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 11 transitions, 73 flow [2022-12-05 23:33:59,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 11 transitions, 47 flow, removed 7 selfloop flow, removed 8 redundant places. [2022-12-05 23:33:59,007 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2022-12-05 23:33:59,007 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} [2022-12-05 23:33:59,008 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, -6 predicate places. [2022-12-05 23:33:59,008 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:33:59,008 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 0 transitions, 0 flow [2022-12-05 23:33:59,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-05 23:33:59,008 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-05 23:33:59,009 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:33:59,009 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. [2022-12-05 23:33:59,009 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-05 23:33:59,009 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-05 23:33:59,009 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:33:59,009 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-05 23:33:59,010 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-05 23:33:59,010 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) [2022-12-05 23:33:59,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-05 23:33:59,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-05 23:33:59,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-05 23:33:59,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_write_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-05 23:33:59,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 23:33:59,012 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-05 23:33:59,015 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 23:33:59,015 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 23:33:59,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 11:33:59 BasicIcfg [2022-12-05 23:33:59,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 23:33:59,018 INFO L158 Benchmark]: Toolchain (without parser) took 439249.15ms. Allocated memory was 221.2MB in the beginning and 358.6MB in the end (delta: 137.4MB). Free memory was 185.5MB in the beginning and 88.4MB in the end (delta: 97.0MB). Peak memory consumption was 235.8MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,018 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 221.2MB. Free memory is still 198.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:33:59,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4444.87ms. Allocated memory was 221.2MB in the beginning and 266.3MB in the end (delta: 45.1MB). Free memory was 185.5MB in the beginning and 204.3MB in the end (delta: -18.8MB). Peak memory consumption was 137.8MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.60ms. Allocated memory is still 266.3MB. Free memory was 204.3MB in the beginning and 195.4MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,019 INFO L158 Benchmark]: Boogie Preprocessor took 60.42ms. Allocated memory is still 266.3MB. Free memory was 195.4MB in the beginning and 191.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,019 INFO L158 Benchmark]: RCFGBuilder took 943.42ms. Allocated memory is still 266.3MB. Free memory was 191.2MB in the beginning and 149.8MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,020 INFO L158 Benchmark]: TraceAbstraction took 433642.34ms. Allocated memory was 266.3MB in the beginning and 358.6MB in the end (delta: 92.3MB). Free memory was 149.2MB in the beginning and 88.4MB in the end (delta: 60.8MB). Peak memory consumption was 153.1MB. Max. memory is 8.0GB. [2022-12-05 23:33:59,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 221.2MB. Free memory is still 198.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4444.87ms. Allocated memory was 221.2MB in the beginning and 266.3MB in the end (delta: 45.1MB). Free memory was 185.5MB in the beginning and 204.3MB in the end (delta: -18.8MB). Peak memory consumption was 137.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 151.60ms. Allocated memory is still 266.3MB. Free memory was 204.3MB in the beginning and 195.4MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.42ms. Allocated memory is still 266.3MB. Free memory was 195.4MB in the beginning and 191.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 943.42ms. Allocated memory is still 266.3MB. Free memory was 191.2MB in the beginning and 149.8MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * TraceAbstraction took 433642.34ms. Allocated memory was 266.3MB in the beginning and 358.6MB in the end (delta: 92.3MB). Free memory was 149.2MB in the beginning and 88.4MB in the end (delta: 60.8MB). Peak memory consumption was 153.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 425.8s, 317 PlacesBefore, 24 PlacesAfterwards, 321 TransitionsBefore, 20 TransitionsAfterwards, 9378 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 121 ConcurrentYvCompositions, 6 ChoiceCompositions, 303 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5943, independent: 5898, independent conditional: 5898, independent unconditional: 0, dependent: 40, dependent conditional: 40, dependent unconditional: 0, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5943, independent: 5898, independent conditional: 0, independent unconditional: 5898, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5943, independent: 5898, independent conditional: 0, independent unconditional: 5898, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5943, independent: 5898, independent conditional: 0, independent unconditional: 5898, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5195, independent: 5169, independent conditional: 0, independent unconditional: 5169, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5195, independent: 5167, independent conditional: 0, independent unconditional: 5167, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2270, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 2182, unknown conditional: 0, unknown unconditional: 2182] ], Cache Queries: [ total: 5943, independent: 729, independent conditional: 0, independent unconditional: 729, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 5198, unknown conditional: 0, unknown unconditional: 5198] , Statistics on independence cache: Total cache size (in pairs): 11325, Positive cache size: 11301, Positive conditional cache size: 0, Positive unconditional cache size: 11301, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2, 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: 12, independent: 5, independent conditional: 5, 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: 12, independent: 5, independent conditional: 0, independent unconditional: 5, 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: 12, independent: 5, independent conditional: 0, independent unconditional: 5, 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: 12, independent: 5, independent conditional: 0, independent unconditional: 5, 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: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 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: 8, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, 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: 18, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 8, unknown conditional: 7, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 12, Positive cache size: 5, Positive conditional cache size: 4, Positive unconditional cache size: 1, Negative cache size: 7, Negative conditional cache size: 3, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5s, 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): 12, Positive cache size: 5, Positive conditional cache size: 4, Positive unconditional cache size: 1, Negative cache size: 7, Negative conditional cache size: 3, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 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): 12, Positive cache size: 5, Positive conditional cache size: 4, Positive unconditional cache size: 1, Negative cache size: 7, Negative conditional cache size: 3, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 446 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: 433.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 426.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 0 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=2, InterpolantAutomatonStates: 18, 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, 0.6s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2022-12-05 23:33:59,073 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...