/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 03:22:03,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 03:22:03,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 03:22:03,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 03:22:03,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 03:22:03,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 03:22:03,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 03:22:03,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 03:22:03,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 03:22:03,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 03:22:03,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 03:22:03,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 03:22:03,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 03:22:03,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 03:22:03,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 03:22:03,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 03:22:03,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 03:22:03,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 03:22:03,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 03:22:03,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 03:22:03,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 03:22:03,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 03:22:03,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 03:22:03,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 03:22:03,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 03:22:03,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 03:22:03,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 03:22:03,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 03:22:03,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 03:22:03,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 03:22:03,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 03:22:03,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 03:22:03,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 03:22:03,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 03:22:03,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 03:22:03,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 03:22:03,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 03:22:03,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 03:22:03,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 03:22:03,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 03:22:03,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 03:22:03,639 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 [2022-12-13 03:22:03,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 03:22:03,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 03:22:03,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 03:22:03,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 03:22:03,674 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 03:22:03,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 03:22:03,675 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 03:22:03,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 03:22:03,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 03:22:03,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 03:22:03,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 03:22:03,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 03:22:03,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 03:22:03,677 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 03:22:03,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 03:22:03,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 03:22:03,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 03:22:03,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 03:22:03,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 03:22:03,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 03:22:03,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 03:22:03,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 03:22:03,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 03:22:03,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 03:22:03,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 03:22:03,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 03:22:03,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 03:22:03,679 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 03:22:03,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-13 03:22:04,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 03:22:04,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 03:22:04,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 03:22:04,049 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 03:22:04,049 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 03:22:04,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-13 03:22:05,254 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 03:22:05,775 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 03:22:05,776 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-13 03:22:05,829 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc29b617/7a0843f6e3004cfd81f00c81eb16d9c0/FLAGa98a04dab [2022-12-13 03:22:05,848 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cc29b617/7a0843f6e3004cfd81f00c81eb16d9c0 [2022-12-13 03:22:05,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 03:22:05,852 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 03:22:05,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 03:22:05,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 03:22:05,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 03:22:05,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:05" (1/1) ... [2022-12-13 03:22:05,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6fc2ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:05, skipping insertion in model container [2022-12-13 03:22:05,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:22:05" (1/1) ... [2022-12-13 03:22:05,864 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 03:22:06,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 03:22:06,402 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-12-13 03:22:06,811 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:06,812 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:06,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:06,821 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:06,828 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:06,829 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:07,000 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:07,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:07,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:07,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:07,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:07,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:07,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:07,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:07,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:07,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:07,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:07,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:07,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:07,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:07,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:07,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:07,699 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 03:22:07,706 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:22:07,711 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:22:07,722 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:22:07,888 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:22:07,894 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:22:08,094 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 03:22:08,464 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:22:08,476 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:22:08,605 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 03:22:08,613 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 03:22:09,085 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 03:22:09,091 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 03:22:09,097 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 03:22:09,258 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 03:22:09,259 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:22:09,265 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 03:22:09,265 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:22:09,594 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 03:22:09,663 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 03:22:09,947 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 03:22:09,954 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 03:22:10,243 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 03:22:10,604 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 03:22:10,604 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 03:22:10,604 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 03:22:12,085 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 03:22:12,086 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:22:12,089 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:22:12,094 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:22:12,106 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:22:12,572 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 03:22:12,577 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 03:22:12,583 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 03:22:12,592 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 03:22:12,592 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 03:22:12,596 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 03:22:12,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 03:22:12,632 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 03:22:12,646 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-12-13 03:22:12,656 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 03:22:12,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 03:22:12,675 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-13 03:22:12,676 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:22:12,676 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:22:12,677 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-13 03:22:12,680 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:22:12,681 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 03:22:12,683 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-13 03:22:12,698 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:22:12,699 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-13 03:22:12,703 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-13 03:22:12,704 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-13 03:22:12,711 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-13 03:22:12,712 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-13 03:22:12,712 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-13 03:22:12,715 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-13 03:22:12,715 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:22:12,715 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-13 03:22:12,715 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-13 03:22:12,726 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-13 03:22:12,728 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-13 03:22:12,732 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-13 03:22:12,733 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 03:22:12,737 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-13 03:22:12,740 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-13 03:22:12,741 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-13 03:22:12,741 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-13 03:22:12,806 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-13 03:22:12,807 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:22:12,811 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:22:12,817 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:22:12,820 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-13 03:22:12,889 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-13 03:22:12,891 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-13 03:22:12,891 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-13 03:22:12,893 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 03:22:12,893 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-13 03:22:12,894 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 03:22:12,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 03:22:13,292 INFO L208 MainTranslator]: Completed translation [2022-12-13 03:22:13,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13 WrapperNode [2022-12-13 03:22:13,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 03:22:13,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 03:22:13,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 03:22:13,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 03:22:13,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,461 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-13 03:22:13,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 03:22:13,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 03:22:13,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 03:22:13,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 03:22:13,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,536 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 03:22:13,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 03:22:13,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 03:22:13,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 03:22:13,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (1/1) ... [2022-12-13 03:22:13,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 03:22:13,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 03:22:13,585 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) [2022-12-13 03:22:13,600 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 [2022-12-13 03:22:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 03:22:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 03:22:13,626 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 03:22:13,626 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-13 03:22:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 03:22:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 03:22:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 03:22:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 03:22:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 03:22:13,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 03:22:13,631 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-12-13 03:22:13,632 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-12-13 03:22:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 03:22:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 03:22:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 03:22:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 03:22:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 03:22:13,638 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 03:22:14,087 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 03:22:14,088 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 03:22:14,538 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 03:22:14,575 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 03:22:14,575 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 03:22:14,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:14 BoogieIcfgContainer [2022-12-13 03:22:14,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 03:22:14,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 03:22:14,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 03:22:14,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 03:22:14,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:22:05" (1/3) ... [2022-12-13 03:22:14,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f50b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:22:14, skipping insertion in model container [2022-12-13 03:22:14,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:22:13" (2/3) ... [2022-12-13 03:22:14,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f50b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:22:14, skipping insertion in model container [2022-12-13 03:22:14,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:22:14" (3/3) ... [2022-12-13 03:22:14,585 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-13 03:22:14,602 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 03:22:14,602 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 03:22:14,602 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 03:22:14,722 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 03:22:14,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 332 transitions, 680 flow [2022-12-13 03:22:14,945 INFO L130 PetriNetUnfolder]: 11/330 cut-off events. [2022-12-13 03:22:14,945 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 03:22:14,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 330 events. 11/330 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 307 event pairs, 0 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 275. Up to 4 conditions per place. [2022-12-13 03:22:14,956 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 332 transitions, 680 flow [2022-12-13 03:22:14,964 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 322 transitions, 653 flow [2022-12-13 03:22:14,966 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:22:14,987 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-13 03:22:14,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 322 transitions, 653 flow [2022-12-13 03:22:15,056 INFO L130 PetriNetUnfolder]: 11/322 cut-off events. [2022-12-13 03:22:15,056 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 03:22:15,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 322 events. 11/322 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 288 event pairs, 0 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 275. Up to 4 conditions per place. [2022-12-13 03:22:15,071 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-13 03:22:15,071 INFO L226 LiptonReduction]: Number of co-enabled transitions 9480 [2022-12-13 03:23:29,495 WARN L233 SmtUtils]: Spent 12.86s on a formula simplification that was a NOOP. DAG size: 490 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:23:39,761 WARN L233 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 426 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:23:56,479 WARN L233 SmtUtils]: Spent 16.72s on a formula simplification that was a NOOP. DAG size: 490 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:24:09,570 WARN L233 SmtUtils]: Spent 13.08s on a formula simplification that was a NOOP. DAG size: 426 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-13 03:25:54,072 WARN L233 SmtUtils]: Spent 1.67m 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) [2022-12-13 03:26:33,431 WARN L233 SmtUtils]: Spent 39.35s 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) [2022-12-13 03:28:04,139 WARN L233 SmtUtils]: Spent 1.51m 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) [2022-12-13 03:28:53,382 WARN L233 SmtUtils]: Spent 49.24s 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) [2022-12-13 03:28:57,701 INFO L241 LiptonReduction]: Total number of compositions: 307 [2022-12-13 03:28:57,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 03:28:57,720 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;@3147481c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 03:28:57,720 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 03:28:57,735 INFO L130 PetriNetUnfolder]: 4/60 cut-off events. [2022-12-13 03:28:57,735 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 03:28:57,736 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:28:57,736 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 03:28:57,737 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 03:28:57,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:28:57,741 INFO L85 PathProgramCache]: Analyzing trace with hash 5947335, now seen corresponding path program 1 times [2022-12-13 03:28:57,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:28:57,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513002508] [2022-12-13 03:28:57,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:28:57,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:28:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:28:58,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 03:28:58,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:28:58,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513002508] [2022-12-13 03:28:58,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513002508] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:28:58,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:28:58,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 03:28:58,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442552932] [2022-12-13 03:28:58,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:28:58,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 03:28:58,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:28:58,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 03:28:58,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 03:28:58,271 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 63 [2022-12-13 03:28:58,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 135 flow. Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-12-13 03:28:58,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:28:58,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 63 [2022-12-13 03:28:58,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:28:58,872 INFO L130 PetriNetUnfolder]: 1743/2708 cut-off events. [2022-12-13 03:28:58,872 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2022-12-13 03:28:58,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5467 conditions, 2708 events. 1743/2708 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 14596 event pairs, 1368 based on Foata normal form. 0/1056 useless extension candidates. Maximal degree in co-relation 5101. Up to 2700 conditions per place. [2022-12-13 03:28:58,883 INFO L137 encePairwiseOnDemand]: 62/63 looper letters, 54 selfloop transitions, 0 changer transitions 5/62 dead transitions. [2022-12-13 03:28:58,883 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 62 transitions, 251 flow [2022-12-13 03:28:58,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 03:28:58,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 03:28:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 66 transitions. [2022-12-13 03:28:58,894 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5238095238095238 [2022-12-13 03:28:58,897 INFO L295 CegarLoopForPetriNet]: 66 programPoint places, 1 predicate places. [2022-12-13 03:28:58,897 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 62 transitions, 251 flow [2022-12-13 03:28:58,905 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 57 transitions, 228 flow [2022-12-13 03:28:58,913 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:28:58,914 INFO L89 Accepts]: Start accepts. Operand has 64 places, 57 transitions, 228 flow [2022-12-13 03:28:58,917 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:28:58,917 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:28:58,917 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 57 transitions, 228 flow [2022-12-13 03:28:58,920 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 57 transitions, 228 flow [2022-12-13 03:28:58,920 INFO L226 LiptonReduction]: Number of co-enabled transitions 120 [2022-12-13 03:28:58,923 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 03:28:58,924 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11 [2022-12-13 03:28:58,925 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 57 transitions, 228 flow [2022-12-13 03:28:58,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-12-13 03:28:58,925 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:28:58,925 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 03:28:58,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 03:28:58,925 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 03:28:58,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:28:58,926 INFO L85 PathProgramCache]: Analyzing trace with hash 184109951, now seen corresponding path program 1 times [2022-12-13 03:28:58,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:28:58,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253892716] [2022-12-13 03:28:58,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:28:58,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:28:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:28:59,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 03:28:59,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:28:59,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253892716] [2022-12-13 03:28:59,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253892716] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:28:59,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:28:59,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 03:28:59,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345481910] [2022-12-13 03:28:59,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:28:59,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 03:28:59,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:28:59,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 03:28:59,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 03:28:59,377 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 57 [2022-12-13 03:28:59,377 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 228 flow. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-12-13 03:28:59,377 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:28:59,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 57 [2022-12-13 03:28:59,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:29:00,400 INFO L130 PetriNetUnfolder]: 1561/2682 cut-off events. [2022-12-13 03:29:00,401 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 03:29:00,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8049 conditions, 2682 events. 1561/2682 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 17342 event pairs, 802 based on Foata normal form. 246/1429 useless extension candidates. Maximal degree in co-relation 8036. Up to 2672 conditions per place. [2022-12-13 03:29:00,411 INFO L137 encePairwiseOnDemand]: 24/57 looper letters, 53 selfloop transitions, 31 changer transitions 105/192 dead transitions. [2022-12-13 03:29:00,411 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 192 transitions, 1155 flow [2022-12-13 03:29:00,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 03:29:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 03:29:00,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 206 transitions. [2022-12-13 03:29:00,417 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7228070175438597 [2022-12-13 03:29:00,418 INFO L295 CegarLoopForPetriNet]: 66 programPoint places, 2 predicate places. [2022-12-13 03:29:00,418 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 192 transitions, 1155 flow [2022-12-13 03:29:00,425 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 63 places, 87 transitions, 519 flow [2022-12-13 03:29:00,439 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:29:00,439 INFO L89 Accepts]: Start accepts. Operand has 63 places, 87 transitions, 519 flow [2022-12-13 03:29:00,439 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:29:00,439 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:29:00,440 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 87 transitions, 519 flow [2022-12-13 03:29:00,443 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 87 transitions, 519 flow [2022-12-13 03:29:00,443 INFO L226 LiptonReduction]: Number of co-enabled transitions 178 [2022-12-13 03:29:00,446 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 03:29:00,450 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11 [2022-12-13 03:29:00,451 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 87 transitions, 519 flow [2022-12-13 03:29:00,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-12-13 03:29:00,451 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:29:00,451 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 03:29:00,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 03:29:00,451 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 03:29:00,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:29:00,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1412495115, now seen corresponding path program 1 times [2022-12-13 03:29:00,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:29:00,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111245434] [2022-12-13 03:29:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:29:00,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:29:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:29:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 03:29:01,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:29:01,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111245434] [2022-12-13 03:29:01,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111245434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:29:01,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:29:01,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 03:29:01,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545790871] [2022-12-13 03:29:01,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:29:01,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 03:29:01,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:29:01,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 03:29:01,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 03:29:01,608 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 54 [2022-12-13 03:29:01,608 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 87 transitions, 519 flow. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 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) [2022-12-13 03:29:01,608 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:29:01,608 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 54 [2022-12-13 03:29:01,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:29:02,891 INFO L130 PetriNetUnfolder]: 1113/2023 cut-off events. [2022-12-13 03:29:02,891 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 03:29:02,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8097 conditions, 2023 events. 1113/2023 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 14031 event pairs, 98 based on Foata normal form. 121/1052 useless extension candidates. Maximal degree in co-relation 8081. Up to 2019 conditions per place. [2022-12-13 03:29:02,898 INFO L137 encePairwiseOnDemand]: 20/54 looper letters, 29 selfloop transitions, 54 changer transitions 124/210 dead transitions. [2022-12-13 03:29:02,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 210 transitions, 1680 flow [2022-12-13 03:29:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 03:29:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 03:29:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 205 transitions. [2022-12-13 03:29:02,900 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5423280423280423 [2022-12-13 03:29:02,901 INFO L295 CegarLoopForPetriNet]: 66 programPoint places, 3 predicate places. [2022-12-13 03:29:02,901 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 210 transitions, 1680 flow [2022-12-13 03:29:02,906 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 86 transitions, 685 flow [2022-12-13 03:29:02,918 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:29:02,919 INFO L89 Accepts]: Start accepts. Operand has 57 places, 86 transitions, 685 flow [2022-12-13 03:29:02,920 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:29:02,920 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:29:02,920 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 86 transitions, 685 flow [2022-12-13 03:29:02,924 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 86 transitions, 685 flow [2022-12-13 03:29:02,924 INFO L226 LiptonReduction]: Number of co-enabled transitions 166 [2022-12-13 03:29:02,927 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 03:29:02,930 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 12 [2022-12-13 03:29:02,931 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 86 transitions, 685 flow [2022-12-13 03:29:02,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 7 states have internal predecessors, (29), 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) [2022-12-13 03:29:02,956 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:29:02,956 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 03:29:02,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 03:29:02,956 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 03:29:02,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:29:02,957 INFO L85 PathProgramCache]: Analyzing trace with hash -909105092, now seen corresponding path program 1 times [2022-12-13 03:29:02,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:29:02,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412075934] [2022-12-13 03:29:02,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:29:02,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:29:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:29:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 03:29:11,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:29:11,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412075934] [2022-12-13 03:29:11,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412075934] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:29:11,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:29:11,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 03:29:11,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477398687] [2022-12-13 03:29:11,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:29:11,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 03:29:11,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:29:11,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 03:29:11,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 03:29:11,065 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 44 [2022-12-13 03:29:11,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 86 transitions, 685 flow. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2022-12-13 03:29:11,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:29:11,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 44 [2022-12-13 03:29:11,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:29:11,686 INFO L130 PetriNetUnfolder]: 491/1031 cut-off events. [2022-12-13 03:29:11,686 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 03:29:11,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5154 conditions, 1031 events. 491/1031 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 7097 event pairs, 195 based on Foata normal form. 87/644 useless extension candidates. Maximal degree in co-relation 5135. Up to 1027 conditions per place. [2022-12-13 03:29:11,691 INFO L137 encePairwiseOnDemand]: 38/44 looper letters, 39 selfloop transitions, 4 changer transitions 60/105 dead transitions. [2022-12-13 03:29:11,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 105 transitions, 1041 flow [2022-12-13 03:29:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 03:29:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 03:29:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 108 transitions. [2022-12-13 03:29:11,692 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4090909090909091 [2022-12-13 03:29:11,693 INFO L295 CegarLoopForPetriNet]: 66 programPoint places, -4 predicate places. [2022-12-13 03:29:11,693 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 105 transitions, 1041 flow [2022-12-13 03:29:11,696 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 45 transitions, 440 flow [2022-12-13 03:29:11,702 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 03:29:11,702 INFO L89 Accepts]: Start accepts. Operand has 60 places, 45 transitions, 440 flow [2022-12-13 03:29:11,703 INFO L95 Accepts]: Finished accepts. [2022-12-13 03:29:11,703 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:29:11,703 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 45 transitions, 440 flow [2022-12-13 03:29:11,705 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 45 transitions, 440 flow [2022-12-13 03:29:11,705 INFO L226 LiptonReduction]: Number of co-enabled transitions 78 [2022-12-13 03:29:11,739 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:29:11,740 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:29:11,745 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 03:29:11,746 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-13 03:29:11,747 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [954] L6717-14-->L6720: Formula: (let ((.cse0 (mod |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_33| 4294967296))) (and (= (store |v_#memory_$Pointer$.offset_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23| (store (select |v_#memory_$Pointer$.offset_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23| (select (select |v_#memory_$Pointer$.offset_45| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|))) |v_#memory_$Pointer$.offset_45|) (= |v_#memory_int_75| (store |v_#memory_int_76| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23| (store (select |v_#memory_int_76| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23| .cse0))) (= |v_#memory_$Pointer$.base_45| (store |v_#memory_$Pointer$.base_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23| (store (select |v_#memory_$Pointer$.base_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23| (select (select |v_#memory_$Pointer$.base_45| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|)))) (or (not (< 0 (mod |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_25| 4294967296))) (not (< .cse0 (mod v_~nvram_len~0_14 4294967296)))))) InVars {whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_46|, #memory_int=|v_#memory_int_76|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_25|, ~nvram_len~0=v_~nvram_len~0_14, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_33|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_46|} OutVars{whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_45|, #memory_int=|v_#memory_int_75|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_25|, ~nvram_len~0=v_~nvram_len~0_14, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_33|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_45|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #memory_int, #memory_$Pointer$.offset] and [1250] L6861-3-->L6862-3: Formula: (and (= (store |v_#memory_int_487| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35| (store (select |v_#memory_int_487| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_35| |v_ULTIMATE.start_main_#t~pre1183#1_29|)) |v_#memory_int_486|) (= |v_ULTIMATE.start_main_#t~pre1183#1_29| |v_#pthreadsForks_48|) (= (store |v_#memory_$Pointer$.base_360| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35| (store (select |v_#memory_$Pointer$.base_360| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_35| (select (select |v_#memory_$Pointer$.base_359| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_35|))) |v_#memory_$Pointer$.base_359|) (= (store |v_#memory_$Pointer$.offset_360| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35| (store (select |v_#memory_$Pointer$.offset_360| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_35| (select (select |v_#memory_$Pointer$.offset_359| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_35|))) |v_#memory_$Pointer$.offset_359|) (= (+ |v_#pthreadsForks_48| 1) |v_#pthreadsForks_47|)) InVars {ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_35|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_360|, #pthreadsForks=|v_#pthreadsForks_48|, ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35|, #memory_int=|v_#memory_int_487|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_360|} OutVars{ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_35|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_359|, #pthreadsForks=|v_#pthreadsForks_47|, ULTIMATE.start_main_#t~pre1181#1=|v_ULTIMATE.start_main_#t~pre1181#1_27|, ULTIMATE.start_main_#t~pre1183#1=|v_ULTIMATE.start_main_#t~pre1183#1_29|, ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_35|, #memory_int=|v_#memory_int_486|, ULTIMATE.start_main_#t~nondet1182#1=|v_ULTIMATE.start_main_#t~nondet1182#1_11|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_359|} 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] [2022-12-13 03:29:11,892 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 03:29:11,893 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 191 [2022-12-13 03:29:11,893 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 44 transitions, 432 flow [2022-12-13 03:29:11,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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) [2022-12-13 03:29:11,893 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 03:29:11,893 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 03:29:11,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 03:29:11,894 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-13 03:29:11,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 03:29:11,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1145060218, now seen corresponding path program 1 times [2022-12-13 03:29:11,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 03:29:11,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023668621] [2022-12-13 03:29:11,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 03:29:11,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 03:29:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 03:29:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 03:29:12,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 03:29:12,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023668621] [2022-12-13 03:29:12,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023668621] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 03:29:12,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 03:29:12,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 03:29:12,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025608383] [2022-12-13 03:29:12,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 03:29:12,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 03:29:12,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 03:29:12,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 03:29:12,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 03:29:12,681 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 42 [2022-12-13 03:29:12,681 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 44 transitions, 432 flow. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2022-12-13 03:29:12,681 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 03:29:12,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 42 [2022-12-13 03:29:12,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 03:29:13,137 INFO L130 PetriNetUnfolder]: 138/322 cut-off events. [2022-12-13 03:29:13,137 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 03:29:13,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1935 conditions, 322 events. 138/322 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 2092 event pairs, 0 based on Foata normal form. 87/251 useless extension candidates. Maximal degree in co-relation 1913. Up to 321 conditions per place. [2022-12-13 03:29:13,138 INFO L137 encePairwiseOnDemand]: 37/42 looper letters, 0 selfloop transitions, 0 changer transitions 52/52 dead transitions. [2022-12-13 03:29:13,138 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 52 transitions, 612 flow [2022-12-13 03:29:13,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 03:29:13,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 03:29:13,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 61 transitions. [2022-12-13 03:29:13,139 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.24206349206349206 [2022-12-13 03:29:13,141 INFO L295 CegarLoopForPetriNet]: 66 programPoint places, -4 predicate places. [2022-12-13 03:29:13,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 52 transitions, 612 flow [2022-12-13 03:29:13,142 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-13 03:29:13,144 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 03:29:13,144 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 03:29:13,144 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 03:29:13,144 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 03:29:13,145 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 03:29:13,145 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-13 03:29:13,145 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 03:29:13,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2022-12-13 03:29:13,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-13 03:29:13,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-13 03:29:13,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-13 03:29:13,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-13 03:29:13,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 03:29:13,148 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 03:29:13,152 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 03:29:13,152 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 03:29:13,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:29:13 BasicIcfg [2022-12-13 03:29:13,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 03:29:13,156 INFO L158 Benchmark]: Toolchain (without parser) took 427303.87ms. Allocated memory was 175.1MB in the beginning and 919.6MB in the end (delta: 744.5MB). Free memory was 121.6MB in the beginning and 496.0MB in the end (delta: -374.4MB). Peak memory consumption was 371.1MB. Max. memory is 8.0GB. [2022-12-13 03:29:13,156 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 175.1MB. Free memory was 151.6MB in the beginning and 151.6MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 03:29:13,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7438.41ms. Allocated memory was 175.1MB in the beginning and 235.9MB in the end (delta: 60.8MB). Free memory was 121.6MB in the beginning and 173.0MB in the end (delta: -51.4MB). Peak memory consumption was 111.8MB. Max. memory is 8.0GB. [2022-12-13 03:29:13,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.09ms. Allocated memory is still 235.9MB. Free memory was 173.0MB in the beginning and 164.1MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-13 03:29:13,156 INFO L158 Benchmark]: Boogie Preprocessor took 82.94ms. Allocated memory is still 235.9MB. Free memory was 164.1MB in the beginning and 159.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-13 03:29:13,157 INFO L158 Benchmark]: RCFGBuilder took 1031.70ms. Allocated memory is still 235.9MB. Free memory was 159.9MB in the beginning and 118.5MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-12-13 03:29:13,157 INFO L158 Benchmark]: TraceAbstraction took 418575.61ms. Allocated memory was 235.9MB in the beginning and 919.6MB in the end (delta: 683.7MB). Free memory was 116.9MB in the beginning and 496.0MB in the end (delta: -379.1MB). Peak memory consumption was 304.6MB. Max. memory is 8.0GB. [2022-12-13 03:29:13,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 175.1MB. Free memory was 151.6MB in the beginning and 151.6MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 7438.41ms. Allocated memory was 175.1MB in the beginning and 235.9MB in the end (delta: 60.8MB). Free memory was 121.6MB in the beginning and 173.0MB in the end (delta: -51.4MB). Peak memory consumption was 111.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 168.09ms. Allocated memory is still 235.9MB. Free memory was 173.0MB in the beginning and 164.1MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.94ms. Allocated memory is still 235.9MB. Free memory was 164.1MB in the beginning and 159.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1031.70ms. Allocated memory is still 235.9MB. Free memory was 159.9MB in the beginning and 118.5MB in the end (delta: 41.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * TraceAbstraction took 418575.61ms. Allocated memory was 235.9MB in the beginning and 919.6MB in the end (delta: 683.7MB). Free memory was 116.9MB in the beginning and 496.0MB in the end (delta: -379.1MB). Peak memory consumption was 304.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 402.6s, 318 PlacesBefore, 66 PlacesAfterwards, 322 TransitionsBefore, 63 TransitionsAfterwards, 9480 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 121 ConcurrentYvCompositions, 9 ChoiceCompositions, 307 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10836, independent: 10754, independent conditional: 10754, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10836, independent: 10754, independent conditional: 0, independent unconditional: 10754, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10836, independent: 10754, independent conditional: 0, independent unconditional: 10754, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10836, independent: 10754, independent conditional: 0, independent unconditional: 10754, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8031, independent: 8004, independent conditional: 0, independent unconditional: 8004, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8031, independent: 7984, independent conditional: 0, independent unconditional: 7984, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4542, independent: 41, independent conditional: 0, independent unconditional: 41, dependent: 193, dependent conditional: 0, dependent unconditional: 193, unknown: 4309, unknown conditional: 0, unknown unconditional: 4309] ], Cache Queries: [ total: 10836, independent: 2750, independent conditional: 0, independent unconditional: 2750, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 8033, unknown conditional: 0, unknown unconditional: 8033] , Statistics on independence cache: Total cache size (in pairs): 22247, Positive cache size: 22222, Positive conditional cache size: 0, Positive unconditional cache size: 22222, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, 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, 64 PlacesBefore, 64 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 120 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, 63 PlacesBefore, 63 PlacesAfterwards, 87 TransitionsBefore, 87 TransitionsAfterwards, 178 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, 57 PlacesBefore, 57 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 166 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: 0.2s, 60 PlacesBefore, 58 PlacesAfterwards, 45 TransitionsBefore, 44 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 2, 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: 2, independent: 2, independent conditional: 2, 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: 2, independent: 2, independent conditional: 2, 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: 2, independent: 2, independent conditional: 2, 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: 2, independent: 2, independent conditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 2, 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: 0 - 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): 2, Positive cache size: 2, Positive conditional cache size: 2, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 448 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 418.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 403.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 461 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 461 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1369 IncrementalHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 0 mSDtfsCounter, 1369 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=685occurred in iteration=3, InterpolantAutomatonStates: 26, 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, 10.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 357 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 03:29:13,236 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...