/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:22:07,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:22:07,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:22:07,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:22:07,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:22:07,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:22:07,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:22:07,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:22:07,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:22:07,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:22:07,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:22:07,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:22:07,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:22:07,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:22:07,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:22:07,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:22:07,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:22:07,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:22:07,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:22:07,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:22:07,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:22:07,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:22:07,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:22:07,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:22:07,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:22:07,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:22:07,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:22:07,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:22:07,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:22:07,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:22:07,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:22:07,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:22:07,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:22:07,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:22:07,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:22:07,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:22:07,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:22:07,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:22:07,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:22:07,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:22:07,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:22:07,564 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 01:22:07,589 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:22:07,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:22:07,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:22:07,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:22:07,591 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:22:07,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:22:07,591 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:22:07,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:22:07,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:22:07,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:22:07,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:22:07,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:22:07,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:22:07,592 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:22:07,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:22:07,593 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:22:07,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:22:07,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:22:07,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:22:07,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:22:07,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:22:07,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:22:07,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:22:07,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:22:07,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:22:07,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:22:07,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:22:07,594 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:22:07,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:22:07,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:22:07,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:22:07,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:22:07,900 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:22:07,904 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:22:07,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-06 01:22:09,071 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:22:09,619 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:22:09,621 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-06 01:22:09,696 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7101e3a2/b3371821629b4ce88edcaab6fa5d6242/FLAGc5678b445 [2022-12-06 01:22:09,712 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7101e3a2/b3371821629b4ce88edcaab6fa5d6242 [2022-12-06 01:22:09,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:22:09,715 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:22:09,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:22:09,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:22:09,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:22:09,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:09" (1/1) ... [2022-12-06 01:22:09,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4aa2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:09, skipping insertion in model container [2022-12-06 01:22:09,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:22:09" (1/1) ... [2022-12-06 01:22:09,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:22:09,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:22:10,132 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_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 01:22:10,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,522 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,707 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,718 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,719 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,724 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:10,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:10,729 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:11,198 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 01:22:11,204 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:11,210 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:11,232 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:11,391 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:22:11,399 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:22:11,628 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 01:22:12,009 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:22:12,021 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:22:12,132 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 01:22:12,139 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 01:22:12,618 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 01:22:12,622 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 01:22:12,627 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 01:22:12,796 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 01:22:12,796 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:22:12,802 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 01:22:12,802 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:22:13,101 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 01:22:13,168 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 01:22:13,525 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 01:22:13,532 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 01:22:13,884 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 01:22:14,270 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 01:22:14,270 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 01:22:14,270 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 01:22:16,084 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 01:22:16,085 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:16,088 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:16,092 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:16,095 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:17,370 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 01:22:17,379 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 01:22:17,387 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 01:22:17,402 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 01:22:17,403 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 01:22:17,409 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 01:22:17,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:22:17,466 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:22:17,480 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_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 01:22:17,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,491 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:22:17,497 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:22:17,505 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 01:22:17,505 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:17,506 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:17,506 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:22:17,509 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:22:17,509 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:22:17,511 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 01:22:17,519 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:22:17,519 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:22:17,522 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 01:22:17,522 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 01:22:17,565 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 01:22:17,565 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 01:22:17,565 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 01:22:17,570 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 01:22:17,571 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:22:17,571 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 01:22:17,571 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:22:17,578 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 01:22:17,580 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 01:22:17,583 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 01:22:17,584 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 01:22:17,587 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 01:22:17,601 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 01:22:17,601 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 01:22:17,601 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 01:22:17,699 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 01:22:17,699 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:17,701 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:17,707 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:17,710 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:22:17,744 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 01:22:17,747 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 01:22:17,748 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 01:22:17,749 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 01:22:17,750 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 01:22:17,750 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 01:22:17,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:22:18,126 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:22:18,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18 WrapperNode [2022-12-06 01:22:18,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:22:18,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:22:18,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:22:18,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:22:18,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,257 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 16, statements flattened = 282 [2022-12-06 01:22:18,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:22:18,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:22:18,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:22:18,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:22:18,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,281 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:22:18,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:22:18,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:22:18,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:22:18,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (1/1) ... [2022-12-06 01:22:18,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:22:18,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:22:18,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 01:22:18,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 01:22:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 01:22:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 01:22:18,402 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 01:22:18,402 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 01:22:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:22:18,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:22:18,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:22:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 01:22:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:22:18,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:22:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:22:18,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:22:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:22:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 01:22:18,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:22:18,411 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-06 01:22:18,411 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-06 01:22:18,412 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:22:18,882 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:22:18,884 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:22:19,204 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:22:19,237 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:22:19,238 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:22:19,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:19 BoogieIcfgContainer [2022-12-06 01:22:19,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:22:19,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:22:19,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:22:19,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:22:19,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:22:09" (1/3) ... [2022-12-06 01:22:19,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7fbde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:22:19, skipping insertion in model container [2022-12-06 01:22:19,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:22:18" (2/3) ... [2022-12-06 01:22:19,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7fbde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:22:19, skipping insertion in model container [2022-12-06 01:22:19,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:22:19" (3/3) ... [2022-12-06 01:22:19,249 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-06 01:22:19,266 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:22:19,266 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 01:22:19,266 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:22:19,357 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 01:22:19,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 289 places, 293 transitions, 602 flow [2022-12-06 01:22:19,552 INFO L130 PetriNetUnfolder]: 11/291 cut-off events. [2022-12-06 01:22:19,552 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 01:22:19,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 291 events. 11/291 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 228 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 229. Up to 5 conditions per place. [2022-12-06 01:22:19,562 INFO L82 GeneralOperation]: Start removeDead. Operand has 289 places, 293 transitions, 602 flow [2022-12-06 01:22:19,573 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 283 transitions, 575 flow [2022-12-06 01:22:19,575 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:22:19,603 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 279 places, 283 transitions, 575 flow [2022-12-06 01:22:19,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 279 places, 283 transitions, 575 flow [2022-12-06 01:22:19,674 INFO L130 PetriNetUnfolder]: 11/283 cut-off events. [2022-12-06 01:22:19,674 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 01:22:19,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 283 events. 11/283 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 227 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 229. Up to 5 conditions per place. [2022-12-06 01:22:19,684 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 279 places, 283 transitions, 575 flow [2022-12-06 01:22:19,684 INFO L188 LiptonReduction]: Number of co-enabled transitions 5460 [2022-12-06 01:22:20,753 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:20,754 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:21,061 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:21,062 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:21,064 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:21,064 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:21,661 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:21,665 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:21,670 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:21,671 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:21,958 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:21,959 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:22,024 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:22,025 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:22,225 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:22,226 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:22,228 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:22,228 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:22,422 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:22,423 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 01:22:22,426 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:22,427 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:26,854 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:26,855 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:26,857 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:26,857 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:26,969 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:26,969 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:26,971 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:26,971 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:27,573 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:27,574 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:27,576 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:27,577 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:34,222 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:34,223 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:34,224 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:34,224 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:34,257 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:34,258 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-06 01:22:34,497 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:34,498 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:34,499 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:34,500 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:34,501 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:34,502 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:34,503 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:34,504 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:36,631 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:36,631 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:36,632 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:36,633 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:36,744 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:36,745 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:36,746 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:36,746 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:36,819 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:36,820 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:36,821 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:36,821 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:44,978 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:44,980 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:22:44,990 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:44,992 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 01:22:44,996 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:44,997 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 01:22:46,354 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:46,354 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 01:22:46,359 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:46,359 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 01:22:46,361 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:46,362 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:22:46,364 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:46,364 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 01:22:46,366 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:46,366 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2022-12-06 01:22:49,604 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:49,605 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:22:49,607 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:22:49,608 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:23:43,213 WARN L233 SmtUtils]: Spent 11.49s on a formula simplification that was a NOOP. DAG size: 419 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:23:55,508 WARN L233 SmtUtils]: Spent 12.29s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:24:17,323 WARN L233 SmtUtils]: Spent 21.81s on a formula simplification that was a NOOP. DAG size: 419 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:24:36,416 WARN L233 SmtUtils]: Spent 19.09s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:24:36,424 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:36,425 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:36,428 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:36,428 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:37,182 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:37,183 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:37,188 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:37,188 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:37,192 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:37,192 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:37,194 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:37,194 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:38,102 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:38,103 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:38,105 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:38,105 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:38,108 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:38,109 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:24:38,111 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:24:38,116 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:26:29,035 WARN L233 SmtUtils]: Spent 1.85m on a formula simplification. DAG size of input: 515 DAG size of output: 511 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:27:31,114 WARN L233 SmtUtils]: Spent 1.03m on a formula simplification that was a NOOP. DAG size: 501 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:29:06,938 WARN L233 SmtUtils]: Spent 1.60m on a formula simplification. DAG size of input: 527 DAG size of output: 521 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:29:48,432 WARN L233 SmtUtils]: Spent 41.49s on a formula simplification that was a NOOP. DAG size: 510 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:29:50,241 INFO L203 LiptonReduction]: Total number of compositions: 268 [2022-12-06 01:29:50,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:29:50,253 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;@114d7360, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:29:50,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 01:29:50,261 INFO L130 PetriNetUnfolder]: 1/15 cut-off events. [2022-12-06 01:29:50,261 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 01:29:50,261 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:29:50,262 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:29:50,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:29:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:29:50,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1428021844, now seen corresponding path program 1 times [2022-12-06 01:29:50,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:29:50,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042794678] [2022-12-06 01:29:50,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:29:50,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:29:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:29:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:29:51,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:29:51,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042794678] [2022-12-06 01:29:51,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042794678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:29:51,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:29:51,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 01:29:51,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575454605] [2022-12-06 01:29:51,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:29:51,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:29:51,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:29:51,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:29:51,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:29:51,201 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 18 [2022-12-06 01:29:51,202 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 45 flow. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:29:51,202 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:29:51,202 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 18 [2022-12-06 01:29:51,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:29:51,505 INFO L130 PetriNetUnfolder]: 135/262 cut-off events. [2022-12-06 01:29:51,505 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-06 01:29:51,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 262 events. 135/262 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 989 event pairs, 65 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 464. Up to 191 conditions per place. [2022-12-06 01:29:51,511 INFO L137 encePairwiseOnDemand]: 12/18 looper letters, 13 selfloop transitions, 5 changer transitions 10/28 dead transitions. [2022-12-06 01:29:51,511 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 28 transitions, 124 flow [2022-12-06 01:29:51,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:29:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:29:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2022-12-06 01:29:51,523 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5370370370370371 [2022-12-06 01:29:51,528 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 2 predicate places. [2022-12-06 01:29:51,529 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:29:51,529 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 28 transitions, 124 flow [2022-12-06 01:29:51,542 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 28 transitions, 124 flow [2022-12-06 01:29:51,543 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:29:51,544 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:29:51,546 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 18 [2022-12-06 01:29:51,546 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 28 transitions, 124 flow [2022-12-06 01:29:51,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:29:51,546 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:29:51,546 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:29:51,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:29:51,547 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:29:51,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:29:51,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1319006059, now seen corresponding path program 1 times [2022-12-06 01:29:51,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:29:51,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366434353] [2022-12-06 01:29:51,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:29:51,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:29:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:29:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:29:52,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:29:52,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366434353] [2022-12-06 01:29:52,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366434353] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:29:52,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:29:52,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:29:52,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882317294] [2022-12-06 01:29:52,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:29:52,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:29:52,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:29:52,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:29:52,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:29:52,525 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 18 [2022-12-06 01:29:52,525 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 28 transitions, 124 flow. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:29:52,525 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:29:52,525 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 18 [2022-12-06 01:29:52,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:29:52,854 INFO L130 PetriNetUnfolder]: 125/252 cut-off events. [2022-12-06 01:29:52,854 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 01:29:52,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 784 conditions, 252 events. 125/252 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1011 event pairs, 15 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 666. Up to 181 conditions per place. [2022-12-06 01:29:52,855 INFO L137 encePairwiseOnDemand]: 13/18 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions. [2022-12-06 01:29:52,855 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 40 transitions, 258 flow [2022-12-06 01:29:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:29:52,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:29:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2022-12-06 01:29:52,857 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.37777777777777777 [2022-12-06 01:29:52,858 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 5 predicate places. [2022-12-06 01:29:52,858 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:29:52,858 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 40 transitions, 258 flow [2022-12-06 01:29:52,860 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 40 transitions, 258 flow [2022-12-06 01:29:52,860 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:29:52,862 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:29:52,863 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5 [2022-12-06 01:29:52,863 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 40 transitions, 258 flow [2022-12-06 01:29:52,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:29:52,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2022-12-06 01:29:52,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 01:29:52,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-12-06 01:29:52,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 01:29:52,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:29:52,866 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-06 01:29:52,871 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:29:52,871 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:29:52,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:29:52 BasicIcfg [2022-12-06 01:29:52,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:29:52,874 INFO L158 Benchmark]: Toolchain (without parser) took 463158.95ms. Allocated memory was 205.5MB in the beginning and 444.6MB in the end (delta: 239.1MB). Free memory was 170.7MB in the beginning and 238.9MB in the end (delta: -68.2MB). Peak memory consumption was 170.9MB. Max. memory is 8.0GB. [2022-12-06 01:29:52,874 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 205.5MB. Free memory is still 182.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:29:52,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8410.94ms. Allocated memory was 205.5MB in the beginning and 370.1MB in the end (delta: 164.6MB). Free memory was 170.1MB in the beginning and 309.0MB in the end (delta: -138.8MB). Peak memory consumption was 149.4MB. Max. memory is 8.0GB. [2022-12-06 01:29:52,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.33ms. Allocated memory is still 370.1MB. Free memory was 309.0MB in the beginning and 300.0MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-06 01:29:52,878 INFO L158 Benchmark]: Boogie Preprocessor took 28.49ms. Allocated memory is still 370.1MB. Free memory was 300.0MB in the beginning and 295.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-06 01:29:52,879 INFO L158 Benchmark]: RCFGBuilder took 954.04ms. Allocated memory is still 370.1MB. Free memory was 295.9MB in the beginning and 256.5MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-12-06 01:29:52,879 INFO L158 Benchmark]: TraceAbstraction took 453630.64ms. Allocated memory was 370.1MB in the beginning and 444.6MB in the end (delta: 74.4MB). Free memory was 256.0MB in the beginning and 238.9MB in the end (delta: 17.1MB). Peak memory consumption was 91.0MB. Max. memory is 8.0GB. [2022-12-06 01:29:52,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 205.5MB. Free memory is still 182.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 8410.94ms. Allocated memory was 205.5MB in the beginning and 370.1MB in the end (delta: 164.6MB). Free memory was 170.1MB in the beginning and 309.0MB in the end (delta: -138.8MB). Peak memory consumption was 149.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 129.33ms. Allocated memory is still 370.1MB. Free memory was 309.0MB in the beginning and 300.0MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.49ms. Allocated memory is still 370.1MB. Free memory was 300.0MB in the beginning and 295.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 954.04ms. Allocated memory is still 370.1MB. Free memory was 295.9MB in the beginning and 256.5MB in the end (delta: 39.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 453630.64ms. Allocated memory was 370.1MB in the beginning and 444.6MB in the end (delta: 74.4MB). Free memory was 256.0MB in the beginning and 238.9MB in the end (delta: 17.1MB). Peak memory consumption was 91.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 450.6s, 279 PlacesBefore, 24 PlacesAfterwards, 283 TransitionsBefore, 18 TransitionsAfterwards, 5460 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 83 ConcurrentYvCompositions, 5 ChoiceCompositions, 268 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 3864, independent unconditional: 0, dependent: 49, dependent conditional: 49, dependent unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3088, independent: 3061, independent conditional: 0, independent unconditional: 3061, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3088, independent: 3046, independent conditional: 0, independent unconditional: 3046, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4446, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 4282, unknown conditional: 0, unknown unconditional: 4282] ], Cache Queries: [ total: 3924, independent: 803, independent conditional: 0, independent unconditional: 803, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 3095, unknown conditional: 0, unknown unconditional: 3095] , Statistics on independence cache: Total cache size (in pairs): 6861, Positive cache size: 6838, Positive conditional cache size: 0, Positive unconditional cache size: 6838, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 26 PlacesBefore, 26 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 29 PlacesBefore, 29 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 370 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: 453.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 450.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 0 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=2, InterpolantAutomatonStates: 8, 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, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:29:52,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...