/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 04:39:09,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 04:39:09,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 04:39:09,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 04:39:09,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 04:39:09,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 04:39:09,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 04:39:09,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 04:39:09,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 04:39:09,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 04:39:09,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 04:39:09,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 04:39:09,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 04:39:09,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 04:39:09,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 04:39:09,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 04:39:09,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 04:39:09,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 04:39:09,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 04:39:09,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 04:39:09,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 04:39:09,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 04:39:09,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 04:39:09,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 04:39:09,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 04:39:09,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 04:39:09,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 04:39:09,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 04:39:09,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 04:39:09,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 04:39:09,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 04:39:09,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 04:39:09,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 04:39:09,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 04:39:09,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 04:39:09,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 04:39:09,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 04:39:09,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 04:39:09,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 04:39:09,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 04:39:09,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 04:39:09,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 04:39:09,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 04:39:09,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 04:39:09,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 04:39:09,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 04:39:09,224 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 04:39:09,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 04:39:09,224 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 04:39:09,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 04:39:09,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 04:39:09,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 04:39:09,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 04:39:09,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 04:39:09,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 04:39:09,226 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 04:39:09,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 04:39:09,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 04:39:09,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 04:39:09,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 04:39:09,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 04:39:09,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 04:39:09,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 04:39:09,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:39:09,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 04:39:09,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 04:39:09,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 04:39:09,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 04:39:09,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 04:39:09,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 04:39:09,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 04:39:09,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 04:39:09,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 04:39:09,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 04:39:09,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 04:39:09,542 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 04:39:09,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-06 04:39:10,720 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 04:39:11,086 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 04:39:11,087 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-06 04:39:11,125 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e05ebe7cf/347a8a50fdcc43eeb49c663a28915d10/FLAG93bbf12b1 [2022-12-06 04:39:11,145 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e05ebe7cf/347a8a50fdcc43eeb49c663a28915d10 [2022-12-06 04:39:11,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 04:39:11,148 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 04:39:11,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 04:39:11,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 04:39:11,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 04:39:11,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:39:11" (1/1) ... [2022-12-06 04:39:11,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebaab98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:11, skipping insertion in model container [2022-12-06 04:39:11,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:39:11" (1/1) ... [2022-12-06 04:39:11,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 04:39:11,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 04:39:11,712 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 04:39:12,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,158 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:12,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:12,455 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 04:39:12,460 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:39:12,465 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:39:12,474 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:39:12,570 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:39:12,577 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:39:12,665 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 04:39:12,857 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:39:12,869 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:39:12,927 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 04:39:12,932 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 04:39:13,227 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 04:39:13,230 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 04:39:13,233 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 04:39:13,305 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 04:39:13,305 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:39:13,307 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 04:39:13,308 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:39:13,434 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 04:39:13,466 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 04:39:13,664 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 04:39:13,673 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 04:39:13,844 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 04:39:13,976 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 04:39:13,977 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 04:39:13,977 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 04:39:14,878 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 04:39:14,879 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:39:14,882 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:39:14,887 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:39:14,898 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:39:15,786 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 04:39:15,794 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 04:39:15,801 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 04:39:15,815 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 04:39:15,816 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 04:39:15,822 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 04:39:15,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:39:15,869 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 04:39:15,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 04:39:15,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,921 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,921 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,921 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,921 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,921 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,921 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 04:39:15,922 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 04:39:15,937 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 04:39:15,938 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:39:15,938 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:39:15,939 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 04:39:15,942 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:39:15,943 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 04:39:15,948 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 04:39:15,958 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:39:15,959 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 04:39:15,961 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 04:39:15,962 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 04:39:15,969 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 04:39:15,969 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 04:39:15,969 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 04:39:15,972 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 04:39:15,973 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:39:15,973 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 04:39:15,973 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 04:39:16,052 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 04:39:16,054 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 04:39:16,071 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 04:39:16,071 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 04:39:16,075 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 04:39:16,078 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 04:39:16,078 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 04:39:16,078 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 04:39:16,129 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 04:39:16,130 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:39:16,192 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:39:16,196 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:39:16,198 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 04:39:16,248 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 04:39:16,250 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 04:39:16,250 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 04:39:16,252 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 04:39:16,253 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 04:39:16,253 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 04:39:16,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 04:39:16,717 INFO L208 MainTranslator]: Completed translation [2022-12-06 04:39:16,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16 WrapperNode [2022-12-06 04:39:16,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 04:39:16,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 04:39:16,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 04:39:16,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 04:39:16,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,883 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 16, statements flattened = 282 [2022-12-06 04:39:16,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 04:39:16,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 04:39:16,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 04:39:16,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 04:39:16,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 04:39:16,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 04:39:16,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 04:39:16,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 04:39:16,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (1/1) ... [2022-12-06 04:39:16,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 04:39:16,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 04:39:16,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 04:39:17,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 04:39:17,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 04:39:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 04:39:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 04:39:17,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 04:39:17,034 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-06 04:39:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-06 04:39:17,035 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 04:39:17,331 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 04:39:17,339 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 04:39:17,736 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 04:39:17,762 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 04:39:17,763 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 04:39:17,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:39:17 BoogieIcfgContainer [2022-12-06 04:39:17,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 04:39:17,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 04:39:17,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 04:39:17,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 04:39:17,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:39:11" (1/3) ... [2022-12-06 04:39:17,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b83a302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:39:17, skipping insertion in model container [2022-12-06 04:39:17,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:39:16" (2/3) ... [2022-12-06 04:39:17,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b83a302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:39:17, skipping insertion in model container [2022-12-06 04:39:17,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:39:17" (3/3) ... [2022-12-06 04:39:17,771 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-06 04:39:17,785 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 04:39:17,786 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 04:39:17,786 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 04:39:17,869 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 04:39:17,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 289 places, 293 transitions, 602 flow [2022-12-06 04:39:18,046 INFO L130 PetriNetUnfolder]: 11/291 cut-off events. [2022-12-06 04:39:18,046 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 04:39:18,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 291 events. 11/291 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 228 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 229. Up to 5 conditions per place. [2022-12-06 04:39:18,057 INFO L82 GeneralOperation]: Start removeDead. Operand has 289 places, 293 transitions, 602 flow [2022-12-06 04:39:18,066 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 283 transitions, 575 flow [2022-12-06 04:39:18,068 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:39:18,098 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 279 places, 283 transitions, 575 flow [2022-12-06 04:39:18,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 279 places, 283 transitions, 575 flow [2022-12-06 04:39:18,167 INFO L130 PetriNetUnfolder]: 11/283 cut-off events. [2022-12-06 04:39:18,168 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:39:18,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 283 events. 11/283 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 227 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 229. Up to 5 conditions per place. [2022-12-06 04:39:18,179 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 279 places, 283 transitions, 575 flow [2022-12-06 04:39:18,179 INFO L188 LiptonReduction]: Number of co-enabled transitions 5460 [2022-12-06 04:39:19,387 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:19,389 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:19,731 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:19,732 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:19,733 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:19,735 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:20,406 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:20,407 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:20,410 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:20,410 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:20,627 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:20,628 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:20,680 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:20,682 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:20,841 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:20,842 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:20,844 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:20,844 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:21,088 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:21,089 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:39:21,091 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:21,091 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:25,499 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:25,500 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:25,501 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:25,502 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:25,614 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:25,615 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:25,616 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:25,617 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:26,175 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:26,175 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:26,177 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:26,178 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:33,274 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:33,275 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:33,283 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:33,284 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:33,315 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:33,316 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-06 04:39:33,606 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:33,607 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:33,609 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:33,610 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:33,612 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:33,612 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:33,614 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:33,614 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:35,444 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:35,445 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:35,445 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:35,446 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:35,590 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:35,591 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:35,592 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:35,592 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:35,700 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:35,701 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:35,703 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:35,704 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:44,614 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:44,615 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:39:44,638 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:44,639 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 04:39:44,657 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:44,658 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 04:39:46,177 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:46,178 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 04:39:46,181 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:46,182 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 04:39:46,185 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:46,186 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 04:39:46,188 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:46,189 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 04:39:46,191 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:46,192 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2022-12-06 04:39:49,869 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:49,870 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:39:49,873 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:39:49,873 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:40:42,779 WARN L233 SmtUtils]: Spent 11.88s on a formula simplification that was a NOOP. DAG size: 419 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:40:53,787 WARN L233 SmtUtils]: Spent 11.00s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:41:10,369 WARN L233 SmtUtils]: Spent 16.58s on a formula simplification that was a NOOP. DAG size: 419 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:41:27,311 WARN L233 SmtUtils]: Spent 16.94s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:41:27,317 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:27,318 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:27,320 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:27,320 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:27,974 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:27,974 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:27,977 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:27,977 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:27,982 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:27,983 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:27,985 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:27,986 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:28,893 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:28,893 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:28,895 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:28,895 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:28,898 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:28,898 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:41:28,900 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 04:41:28,900 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 04:43:17,079 WARN L233 SmtUtils]: Spent 1.80m on a formula simplification. DAG size of input: 515 DAG size of output: 511 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:44:16,133 WARN L233 SmtUtils]: Spent 59.05s on a formula simplification that was a NOOP. DAG size: 501 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:45:47,115 WARN L233 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 527 DAG size of output: 521 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:46:23,680 WARN L233 SmtUtils]: Spent 36.56s on a formula simplification that was a NOOP. DAG size: 510 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 04:46:25,503 INFO L203 LiptonReduction]: Total number of compositions: 268 [2022-12-06 04:46:25,517 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 04:46:25,525 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;@34b77fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 04:46:25,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 04:46:25,531 INFO L130 PetriNetUnfolder]: 1/15 cut-off events. [2022-12-06 04:46:25,531 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 04:46:25,532 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:46:25,533 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:46:25,533 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 04:46:25,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:46:25,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1428021844, now seen corresponding path program 1 times [2022-12-06 04:46:25,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:46:25,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705196905] [2022-12-06 04:46:25,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:46:25,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:46:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:46:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:46:26,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:46:26,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705196905] [2022-12-06 04:46:26,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705196905] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:46:26,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:46:26,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 04:46:26,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47054155] [2022-12-06 04:46:26,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:46:26,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 04:46:26,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:46:26,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 04:46:26,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 04:46:26,528 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 18 [2022-12-06 04:46:26,529 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 45 flow. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:46:26,529 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:46:26,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 18 [2022-12-06 04:46:26,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:46:26,691 INFO L130 PetriNetUnfolder]: 135/262 cut-off events. [2022-12-06 04:46:26,691 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-06 04:46:26,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 262 events. 135/262 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 989 event pairs, 65 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 464. Up to 191 conditions per place. [2022-12-06 04:46:26,694 INFO L137 encePairwiseOnDemand]: 12/18 looper letters, 13 selfloop transitions, 5 changer transitions 10/28 dead transitions. [2022-12-06 04:46:26,694 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 28 transitions, 124 flow [2022-12-06 04:46:26,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 04:46:26,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 04:46:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2022-12-06 04:46:26,703 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5370370370370371 [2022-12-06 04:46:26,704 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 45 flow. Second operand 3 states and 29 transitions. [2022-12-06 04:46:26,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 28 transitions, 124 flow [2022-12-06 04:46:26,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 28 transitions, 117 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 04:46:26,707 INFO L231 Difference]: Finished difference. Result has 24 places, 17 transitions, 61 flow [2022-12-06 04:46:26,708 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=24, PETRI_TRANSITIONS=17} [2022-12-06 04:46:26,711 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places. [2022-12-06 04:46:26,711 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 04:46:26,712 INFO L89 Accepts]: Start accepts. Operand has 24 places, 17 transitions, 61 flow [2022-12-06 04:46:26,713 INFO L95 Accepts]: Finished accepts. [2022-12-06 04:46:26,713 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:46:26,713 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 17 transitions, 61 flow [2022-12-06 04:46:26,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 17 transitions, 61 flow [2022-12-06 04:46:26,723 INFO L130 PetriNetUnfolder]: 4/29 cut-off events. [2022-12-06 04:46:26,723 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 04:46:26,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 29 events. 4/29 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 71 event pairs, 2 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 48. Up to 16 conditions per place. [2022-12-06 04:46:26,723 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 17 transitions, 61 flow [2022-12-06 04:46:26,723 INFO L188 LiptonReduction]: Number of co-enabled transitions 50 [2022-12-06 04:46:26,735 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:46:26,736 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 25 [2022-12-06 04:46:26,736 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 17 transitions, 61 flow [2022-12-06 04:46:26,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:46:26,737 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 04:46:26,737 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 04:46:26,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 04:46:26,737 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 04:46:26,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 04:46:26,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1319006059, now seen corresponding path program 1 times [2022-12-06 04:46:26,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 04:46:26,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116222669] [2022-12-06 04:46:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 04:46:26,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 04:46:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 04:46:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 04:46:27,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 04:46:27,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116222669] [2022-12-06 04:46:27,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116222669] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 04:46:27,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 04:46:27,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 04:46:27,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510952377] [2022-12-06 04:46:27,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 04:46:27,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 04:46:27,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 04:46:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 04:46:27,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 04:46:27,679 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 14 [2022-12-06 04:46:27,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 17 transitions, 61 flow. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:46:27,679 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 04:46:27,680 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 14 [2022-12-06 04:46:27,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 04:46:27,921 INFO L130 PetriNetUnfolder]: 35/84 cut-off events. [2022-12-06 04:46:27,921 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 04:46:27,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 84 events. 35/84 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 240 event pairs, 9 based on Foata normal form. 10/82 useless extension candidates. Maximal degree in co-relation 127. Up to 34 conditions per place. [2022-12-06 04:46:27,922 INFO L137 encePairwiseOnDemand]: 10/14 looper letters, 0 selfloop transitions, 0 changer transitions 27/27 dead transitions. [2022-12-06 04:46:27,922 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 27 transitions, 145 flow [2022-12-06 04:46:27,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 04:46:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 04:46:27,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-12-06 04:46:27,923 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.37142857142857144 [2022-12-06 04:46:27,923 INFO L175 Difference]: Start difference. First operand has 21 places, 17 transitions, 61 flow. Second operand 5 states and 26 transitions. [2022-12-06 04:46:27,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 27 transitions, 145 flow [2022-12-06 04:46:27,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 27 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 04:46:27,924 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2022-12-06 04:46:27,924 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2022-12-06 04:46:27,925 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, -1 predicate places. [2022-12-06 04:46:27,925 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 04:46:27,925 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 0 transitions, 0 flow [2022-12-06 04:46:27,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 04:46:27,925 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 04:46:27,925 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 04:46:27,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 04:46:27,925 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 04:46:27,926 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 04:46:27,926 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 04:46:27,926 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-06 04:46:27,926 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 04:46:27,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 04:46:27,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2022-12-06 04:46:27,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 04:46:27,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-12-06 04:46:27,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 04:46:27,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 04:46:27,929 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-06 04:46:27,934 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 04:46:27,934 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 04:46:27,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:46:27 BasicIcfg [2022-12-06 04:46:27,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 04:46:27,937 INFO L158 Benchmark]: Toolchain (without parser) took 436789.49ms. Allocated memory was 240.1MB in the beginning and 525.3MB in the end (delta: 285.2MB). Free memory was 185.7MB in the beginning and 365.9MB in the end (delta: -180.2MB). Peak memory consumption was 105.5MB. Max. memory is 8.0GB. [2022-12-06 04:46:27,937 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 240.1MB. Free memory is still 216.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 04:46:27,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5569.14ms. Allocated memory was 240.1MB in the beginning and 384.8MB in the end (delta: 144.7MB). Free memory was 185.7MB in the beginning and 325.4MB in the end (delta: -139.7MB). Peak memory consumption was 154.4MB. Max. memory is 8.0GB. [2022-12-06 04:46:27,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.51ms. Allocated memory is still 384.8MB. Free memory was 324.8MB in the beginning and 315.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-12-06 04:46:27,938 INFO L158 Benchmark]: Boogie Preprocessor took 67.57ms. Allocated memory is still 384.8MB. Free memory was 315.9MB in the beginning and 312.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-06 04:46:27,938 INFO L158 Benchmark]: RCFGBuilder took 811.89ms. Allocated memory is still 384.8MB. Free memory was 311.7MB in the beginning and 272.4MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-12-06 04:46:27,938 INFO L158 Benchmark]: TraceAbstraction took 430170.63ms. Allocated memory was 384.8MB in the beginning and 525.3MB in the end (delta: 140.5MB). Free memory was 271.4MB in the beginning and 365.9MB in the end (delta: -94.6MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB. [2022-12-06 04:46:27,939 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 240.1MB. Free memory is still 216.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5569.14ms. Allocated memory was 240.1MB in the beginning and 384.8MB in the end (delta: 144.7MB). Free memory was 185.7MB in the beginning and 325.4MB in the end (delta: -139.7MB). Peak memory consumption was 154.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 165.51ms. Allocated memory is still 384.8MB. Free memory was 324.8MB in the beginning and 315.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.57ms. Allocated memory is still 384.8MB. Free memory was 315.9MB in the beginning and 312.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 811.89ms. Allocated memory is still 384.8MB. Free memory was 311.7MB in the beginning and 272.4MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * TraceAbstraction took 430170.63ms. Allocated memory was 384.8MB in the beginning and 525.3MB in the end (delta: 140.5MB). Free memory was 271.4MB in the beginning and 365.9MB in the end (delta: -94.6MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 427.3s, 279 PlacesBefore, 24 PlacesAfterwards, 283 TransitionsBefore, 18 TransitionsAfterwards, 5460 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 83 ConcurrentYvCompositions, 5 ChoiceCompositions, 268 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 3864, independent unconditional: 0, dependent: 49, dependent conditional: 49, dependent unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3088, independent: 3061, independent conditional: 0, independent unconditional: 3061, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3088, independent: 3046, independent conditional: 0, independent unconditional: 3046, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4554, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 174, dependent conditional: 0, dependent unconditional: 174, unknown: 4363, unknown conditional: 0, unknown unconditional: 4363] ], Cache Queries: [ total: 3924, independent: 803, independent conditional: 0, independent unconditional: 803, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 3095, unknown conditional: 0, unknown unconditional: 3095] , Statistics on independence cache: Total cache size (in pairs): 6861, Positive cache size: 6838, Positive conditional cache size: 0, Positive unconditional cache size: 6838, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 21 PlacesBefore, 21 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 370 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 430.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 427.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=1, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 04:46:28,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...