/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:26:44,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:26:44,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:26:44,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:26:44,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:26:44,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:26:44,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:26:44,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:26:44,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:26:44,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:26:44,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:26:44,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:26:44,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:26:44,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:26:44,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:26:44,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:26:44,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:26:44,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:26:44,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:26:44,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:26:44,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:26:44,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:26:44,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:26:44,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:26:44,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:26:44,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:26:44,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:26:44,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:26:44,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:26:44,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:26:44,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:26:44,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:26:44,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:26:44,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:26:44,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:26:44,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:26:44,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:26:44,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:26:44,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:26:44,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:26:44,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:26:44,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-05 23:26:45,011 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:26:45,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:26:45,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:26:45,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:26:45,014 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:26:45,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:26:45,015 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:26:45,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:26:45,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:26:45,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:26:45,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:26:45,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:26:45,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:26:45,017 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:26:45,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:26:45,017 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:26:45,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:26:45,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:26:45,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:26:45,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:26:45,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:26:45,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:26:45,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:26:45,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:26:45,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:26:45,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:26:45,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:26:45,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:26:45,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:26:45,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:26:45,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:26:45,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:26:45,375 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:26:45,376 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:26:45,377 INFO L432 ainManager$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 [2022-12-05 23:26:46,533 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:26:47,073 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:26:47,074 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-05 23:26:47,125 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24c946a1/0b5a9e3b32cd4322ae2cc45ca990f6d1/FLAGba5d1e34f [2022-12-05 23:26:47,147 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d24c946a1/0b5a9e3b32cd4322ae2cc45ca990f6d1 [2022-12-05 23:26:47,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:26:47,150 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:26:47,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:26:47,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:26:47,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:26:47,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:47" (1/1) ... [2022-12-05 23:26:47,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cfc0239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:47, skipping insertion in model container [2022-12-05 23:26:47,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:26:47" (1/1) ... [2022-12-05 23:26:47,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:26:47,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:26:47,663 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] [2022-12-05 23:26:48,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,304 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:48,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:48,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:49,002 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 23:26:49,008 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:49,014 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:49,024 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:49,174 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:26:49,181 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:26:49,384 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 23:26:49,734 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:26:49,745 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:26:49,849 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 23:26:49,857 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 23:26:50,094 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 23:26:50,096 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 23:26:50,099 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 23:26:50,165 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 23:26:50,166 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:26:50,168 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 23:26:50,168 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:26:50,281 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 23:26:50,303 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 23:26:50,427 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 23:26:50,432 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 23:26:50,629 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 23:26:50,863 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 23:26:50,891 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 23:26:50,892 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 23:26:51,601 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 23:26:51,602 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:51,617 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:51,623 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:51,629 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:52,069 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 23:26:52,073 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 23:26:52,077 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 23:26:52,085 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 23:26:52,085 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 23:26:52,088 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 23:26:52,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:26:52,119 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:26:52,131 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] [2022-12-05 23:26:52,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 23:26:52,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 23:26:52,172 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 23:26:52,173 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:52,173 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:52,174 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 23:26:52,179 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:26:52,183 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 23:26:52,186 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 23:26:52,197 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:26:52,198 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 23:26:52,200 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 23:26:52,201 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 23:26:52,208 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 23:26:52,209 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 23:26:52,209 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 23:26:52,212 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 23:26:52,212 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:26:52,213 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 23:26:52,213 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 23:26:52,221 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 23:26:52,223 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 23:26:52,228 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 23:26:52,228 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 23:26:52,232 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 23:26:52,235 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 23:26:52,235 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 23:26:52,235 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 23:26:52,301 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 23:26:52,302 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:52,304 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:52,309 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:52,313 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 23:26:52,398 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-05 23:26:52,400 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-05 23:26:52,401 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-05 23:26:52,403 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-05 23:26:52,403 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-05 23:26:52,403 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-05 23:26:52,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:26:52,814 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:26:52,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52 WrapperNode [2022-12-05 23:26:52,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:26:52,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:26:52,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:26:52,816 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:26:52,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:52,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,008 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-05 23:26:53,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:26:53,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:26:53,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:26:53,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:26:53,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,072 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:26:53,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:26:53,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:26:53,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:26:53,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (1/1) ... [2022-12-05 23:26:53,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:26:53,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:26:53,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 23:26:53,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 23:26:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 23:26:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 23:26:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-05 23:26:53,190 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-05 23:26:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:26:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:26:53,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:26:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 23:26:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:26:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:26:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-12-05 23:26:53,194 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-12-05 23:26:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 23:26:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:26:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 23:26:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 23:26:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:26:53,201 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:26:53,690 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:26:53,694 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:26:54,172 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:26:54,209 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:26:54,209 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-05 23:26:54,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:54 BoogieIcfgContainer [2022-12-05 23:26:54,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:26:54,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:26:54,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:26:54,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:26:54,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:26:47" (1/3) ... [2022-12-05 23:26:54,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645c9334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:26:54, skipping insertion in model container [2022-12-05 23:26:54,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:26:52" (2/3) ... [2022-12-05 23:26:54,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645c9334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:26:54, skipping insertion in model container [2022-12-05 23:26:54,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:26:54" (3/3) ... [2022-12-05 23:26:54,220 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-05 23:26:54,236 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:26:54,236 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 23:26:54,236 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:26:54,357 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 23:26:54,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 332 transitions, 680 flow [2022-12-05 23:26:54,559 INFO L130 PetriNetUnfolder]: 11/330 cut-off events. [2022-12-05 23:26:54,560 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 23:26:54,571 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. [2022-12-05 23:26:54,571 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 332 transitions, 680 flow [2022-12-05 23:26:54,581 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 322 transitions, 653 flow [2022-12-05 23:26:54,583 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:26:54,603 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-05 23:26:54,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 322 transitions, 653 flow [2022-12-05 23:26:54,665 INFO L130 PetriNetUnfolder]: 11/322 cut-off events. [2022-12-05 23:26:54,665 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:26:54,670 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. [2022-12-05 23:26:54,681 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-05 23:26:54,681 INFO L188 LiptonReduction]: Number of co-enabled transitions 9480 [2022-12-05 23:26:56,692 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:56,694 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:56,695 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:56,696 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:56,993 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:56,994 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:56,995 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:56,996 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:57,565 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:57,566 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:57,568 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:57,569 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:58,251 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:58,252 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:58,254 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:58,255 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:58,401 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:58,402 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:58,404 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:58,405 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:59,156 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:59,163 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:59,166 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:59,168 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:59,274 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:59,275 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:59,278 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:59,279 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:59,331 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:59,332 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:59,479 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:59,482 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 23:26:59,488 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:59,490 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:59,589 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:59,590 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:26:59,591 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:26:59,591 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:00,217 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:00,218 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:00,501 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:00,502 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:00,507 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:00,508 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:07,028 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:07,029 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-05 23:27:07,037 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:07,037 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 23:27:07,043 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:07,043 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-05 23:27:07,050 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:07,050 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 23:27:07,057 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:07,057 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-05 23:27:10,140 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:10,141 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:10,142 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:10,143 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:13,065 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:13,065 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:13,068 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:13,069 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:19,548 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:19,549 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:19,550 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:19,550 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:24,264 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:24,265 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-05 23:27:24,272 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:24,273 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-05 23:27:24,281 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:24,282 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 23:27:24,288 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:24,289 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-05 23:27:24,293 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:24,297 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-05 23:27:27,738 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:27,740 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-05 23:27:27,745 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:27,745 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-12-05 23:27:27,749 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:27,749 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 934 [2022-12-05 23:27:27,753 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:27,756 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1218 [2022-12-05 23:27:27,764 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:27,765 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2022-12-05 23:27:27,775 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:27,776 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2022-12-05 23:27:27,783 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:27,784 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-05 23:27:33,108 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:33,109 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:33,111 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:33,112 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:33,117 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:33,117 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:33,120 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:33,120 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:27:33,787 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:33,791 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 23:27:33,794 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:33,794 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 23:27:33,797 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:33,799 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 23:27:33,802 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:33,802 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 23:27:33,804 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:33,805 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2022-12-05 23:27:39,095 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:39,096 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-05 23:27:39,102 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:39,102 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-12-05 23:27:39,107 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:39,107 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2022-12-05 23:27:39,111 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:39,112 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 763 [2022-12-05 23:27:39,116 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:39,116 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 999 [2022-12-05 23:27:39,122 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:39,123 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2022-12-05 23:27:39,127 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:27:39,128 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-05 23:28:05,905 WARN L233 SmtUtils]: Spent 14.17s 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) [2022-12-05 23:28:21,859 WARN L233 SmtUtils]: Spent 15.94s 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) [2022-12-05 23:28:35,596 WARN L233 SmtUtils]: Spent 13.73s 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) [2022-12-05 23:28:46,404 WARN L233 SmtUtils]: Spent 10.80s 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) [2022-12-05 23:28:47,848 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:47,850 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:28:47,853 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:47,853 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:28:47,858 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:47,858 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:28:47,860 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:28:47,861 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:30:44,911 WARN L233 SmtUtils]: Spent 1.95m on a formula simplification. DAG size of input: 517 DAG size of output: 513 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:31:35,674 WARN L233 SmtUtils]: Spent 50.75s on a formula simplification that was a NOOP. DAG size: 501 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:33:28,377 WARN L233 SmtUtils]: Spent 1.88m on a formula simplification. DAG size of input: 529 DAG size of output: 523 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:34:28,835 WARN L233 SmtUtils]: Spent 1.01m on a formula simplification that was a NOOP. DAG size: 510 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 23:34:28,885 INFO L203 LiptonReduction]: Total number of compositions: 304 [2022-12-05 23:34:28,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:34:28,900 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;@6accb868, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:34:28,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 23:34:28,907 INFO L130 PetriNetUnfolder]: 4/19 cut-off events. [2022-12-05 23:34:28,908 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 23:34:28,908 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:34:28,908 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 23:34:28,909 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)] === [2022-12-05 23:34:28,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:34:28,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1598865153, now seen corresponding path program 1 times [2022-12-05 23:34:28,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:34:28,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410808832] [2022-12-05 23:34:28,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:34:28,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:34:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:34:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:34:29,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:34:29,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410808832] [2022-12-05 23:34:29,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410808832] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:34:29,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:34:29,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:34:29,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154700767] [2022-12-05 23:34:29,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:34:29,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 23:34:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:34:29,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 23:34:29,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 23:34:29,407 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 22 [2022-12-05 23:34:29,408 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 22 transitions, 53 flow. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:29,408 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:34:29,408 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 22 [2022-12-05 23:34:29,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:34:29,621 INFO L130 PetriNetUnfolder]: 165/276 cut-off events. [2022-12-05 23:34:29,622 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-05 23:34:29,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 578 conditions, 276 events. 165/276 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 904 event pairs, 123 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 518. Up to 277 conditions per place. [2022-12-05 23:34:29,624 INFO L137 encePairwiseOnDemand]: 21/22 looper letters, 16 selfloop transitions, 0 changer transitions 5/21 dead transitions. [2022-12-05 23:34:29,624 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 21 transitions, 93 flow [2022-12-05 23:34:29,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 23:34:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 23:34:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-12-05 23:34:29,634 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-05 23:34:29,636 INFO L175 Difference]: Start difference. First operand has 25 places, 22 transitions, 53 flow. Second operand 2 states and 22 transitions. [2022-12-05 23:34:29,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 21 transitions, 93 flow [2022-12-05 23:34:29,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 21 transitions, 88 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 23:34:29,640 INFO L231 Difference]: Finished difference. Result has 23 places, 16 transitions, 35 flow [2022-12-05 23:34:29,641 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=22, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=35, PETRI_PLACES=23, PETRI_TRANSITIONS=16} [2022-12-05 23:34:29,645 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, -2 predicate places. [2022-12-05 23:34:29,645 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:34:29,645 INFO L89 Accepts]: Start accepts. Operand has 23 places, 16 transitions, 35 flow [2022-12-05 23:34:29,647 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:34:29,648 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:34:29,648 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 16 transitions, 35 flow [2022-12-05 23:34:29,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 19 places, 16 transitions, 35 flow [2022-12-05 23:34:29,665 INFO L130 PetriNetUnfolder]: 1/16 cut-off events. [2022-12-05 23:34:29,665 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:34:29,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20 conditions, 16 events. 1/16 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 29 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 12. Up to 2 conditions per place. [2022-12-05 23:34:29,666 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 16 transitions, 35 flow [2022-12-05 23:34:29,666 INFO L188 LiptonReduction]: Number of co-enabled transitions 106 [2022-12-05 23:34:31,953 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:34:31,955 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2310 [2022-12-05 23:34:31,955 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 15 transitions, 33 flow [2022-12-05 23:34:31,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:31,955 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:34:31,955 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 23:34:31,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:34:31,955 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)] === [2022-12-05 23:34:31,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:34:31,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1598872376, now seen corresponding path program 1 times [2022-12-05 23:34:31,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:34:31,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826092453] [2022-12-05 23:34:31,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:34:31,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:34:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:34:32,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:34:32,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:34:32,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826092453] [2022-12-05 23:34:32,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826092453] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:34:32,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:34:32,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 23:34:32,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991770686] [2022-12-05 23:34:32,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:34:32,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 23:34:32,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:34:32,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 23:34:32,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 23:34:32,458 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-05 23:34:32,458 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 15 transitions, 33 flow. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:32,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:34:32,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-05 23:34:32,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:34:32,770 INFO L130 PetriNetUnfolder]: 94/177 cut-off events. [2022-12-05 23:34:32,770 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:34:32,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 177 events. 94/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 624 event pairs, 55 based on Foata normal form. 14/141 useless extension candidates. Maximal degree in co-relation 160. Up to 155 conditions per place. [2022-12-05 23:34:32,771 INFO L137 encePairwiseOnDemand]: 8/15 looper letters, 16 selfloop transitions, 6 changer transitions 1/23 dead transitions. [2022-12-05 23:34:32,771 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 23 transitions, 97 flow [2022-12-05 23:34:32,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 23:34:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 23:34:32,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2022-12-05 23:34:32,772 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2022-12-05 23:34:32,772 INFO L175 Difference]: Start difference. First operand has 18 places, 15 transitions, 33 flow. Second operand 3 states and 24 transitions. [2022-12-05 23:34:32,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 23 transitions, 97 flow [2022-12-05 23:34:32,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 23 transitions, 97 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 23:34:32,774 INFO L231 Difference]: Finished difference. Result has 21 places, 20 transitions, 73 flow [2022-12-05 23:34:32,774 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=33, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=73, PETRI_PLACES=21, PETRI_TRANSITIONS=20} [2022-12-05 23:34:32,775 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, -4 predicate places. [2022-12-05 23:34:32,775 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:34:32,775 INFO L89 Accepts]: Start accepts. Operand has 21 places, 20 transitions, 73 flow [2022-12-05 23:34:32,775 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:34:32,775 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:34:32,775 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 20 transitions, 73 flow [2022-12-05 23:34:32,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 20 transitions, 73 flow [2022-12-05 23:34:32,786 INFO L130 PetriNetUnfolder]: 9/40 cut-off events. [2022-12-05 23:34:32,786 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-05 23:34:32,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 40 events. 9/40 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 144 event pairs, 4 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 35. Up to 24 conditions per place. [2022-12-05 23:34:32,787 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 20 transitions, 73 flow [2022-12-05 23:34:32,787 INFO L188 LiptonReduction]: Number of co-enabled transitions 78 [2022-12-05 23:34:32,793 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:34:32,794 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 19 [2022-12-05 23:34:32,794 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 20 transitions, 73 flow [2022-12-05 23:34:32,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:32,794 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:34:32,794 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:34:32,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 23:34:32,795 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)] === [2022-12-05 23:34:32,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:34:32,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1974564203, now seen corresponding path program 1 times [2022-12-05 23:34:32,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:34:32,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452754166] [2022-12-05 23:34:32,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:34:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:34:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:34:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:34:33,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:34:33,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452754166] [2022-12-05 23:34:33,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452754166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:34:33,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:34:33,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:34:33,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940521701] [2022-12-05 23:34:33,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:34:33,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:34:33,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:34:33,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:34:33,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:34:33,704 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-05 23:34:33,704 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 20 transitions, 73 flow. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:33,705 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:34:33,705 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-05 23:34:33,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:34:34,144 INFO L130 PetriNetUnfolder]: 85/163 cut-off events. [2022-12-05 23:34:34,144 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-05 23:34:34,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 163 events. 85/163 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 621 event pairs, 6 based on Foata normal form. 5/146 useless extension candidates. Maximal degree in co-relation 340. Up to 114 conditions per place. [2022-12-05 23:34:34,145 INFO L137 encePairwiseOnDemand]: 7/15 looper letters, 17 selfloop transitions, 9 changer transitions 7/33 dead transitions. [2022-12-05 23:34:34,145 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 33 transitions, 183 flow [2022-12-05 23:34:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:34:34,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:34:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-12-05 23:34:34,147 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4266666666666667 [2022-12-05 23:34:34,147 INFO L175 Difference]: Start difference. First operand has 21 places, 20 transitions, 73 flow. Second operand 5 states and 32 transitions. [2022-12-05 23:34:34,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 33 transitions, 183 flow [2022-12-05 23:34:34,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 33 transitions, 177 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 23:34:34,148 INFO L231 Difference]: Finished difference. Result has 25 places, 20 transitions, 98 flow [2022-12-05 23:34:34,148 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=98, PETRI_PLACES=25, PETRI_TRANSITIONS=20} [2022-12-05 23:34:34,149 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 0 predicate places. [2022-12-05 23:34:34,149 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:34:34,149 INFO L89 Accepts]: Start accepts. Operand has 25 places, 20 transitions, 98 flow [2022-12-05 23:34:34,150 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:34:34,150 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:34:34,150 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 20 transitions, 98 flow [2022-12-05 23:34:34,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 20 transitions, 98 flow [2022-12-05 23:34:34,160 INFO L130 PetriNetUnfolder]: 7/33 cut-off events. [2022-12-05 23:34:34,160 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-05 23:34:34,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 33 events. 7/33 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 82 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 60. Up to 20 conditions per place. [2022-12-05 23:34:34,161 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 20 transitions, 98 flow [2022-12-05 23:34:34,161 INFO L188 LiptonReduction]: Number of co-enabled transitions 60 [2022-12-05 23:34:34,191 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:34:34,192 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 43 [2022-12-05 23:34:34,192 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 20 transitions, 98 flow [2022-12-05 23:34:34,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:34,193 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:34:34,193 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:34:34,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 23:34:34,193 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)] === [2022-12-05 23:34:34,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:34:34,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1032351169, now seen corresponding path program 1 times [2022-12-05 23:34:34,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:34:34,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719424418] [2022-12-05 23:34:34,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:34:34,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:34:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:34:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:34:48,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:34:48,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719424418] [2022-12-05 23:34:48,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719424418] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:34:48,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:34:48,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:34:48,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491956733] [2022-12-05 23:34:48,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:34:48,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:34:48,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:34:48,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:34:48,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:34:48,906 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 14 [2022-12-05 23:34:48,906 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 98 flow. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:48,906 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:34:48,906 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 14 [2022-12-05 23:34:48,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:34:49,298 INFO L130 PetriNetUnfolder]: 62/130 cut-off events. [2022-12-05 23:34:49,298 INFO L131 PetriNetUnfolder]: For 70/70 co-relation queries the response was YES. [2022-12-05 23:34:49,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399 conditions, 130 events. 62/130 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 454 event pairs, 15 based on Foata normal form. 8/120 useless extension candidates. Maximal degree in co-relation 240. Up to 85 conditions per place. [2022-12-05 23:34:49,299 INFO L137 encePairwiseOnDemand]: 9/14 looper letters, 10 selfloop transitions, 4 changer transitions 16/30 dead transitions. [2022-12-05 23:34:49,299 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 30 transitions, 196 flow [2022-12-05 23:34:49,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:34:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:34:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2022-12-05 23:34:49,300 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4 [2022-12-05 23:34:49,300 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 98 flow. Second operand 5 states and 28 transitions. [2022-12-05 23:34:49,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 30 transitions, 196 flow [2022-12-05 23:34:49,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 30 transitions, 185 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 23:34:49,304 INFO L231 Difference]: Finished difference. Result has 26 places, 14 transitions, 65 flow [2022-12-05 23:34:49,304 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=65, PETRI_PLACES=26, PETRI_TRANSITIONS=14} [2022-12-05 23:34:49,305 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 1 predicate places. [2022-12-05 23:34:49,305 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:34:49,305 INFO L89 Accepts]: Start accepts. Operand has 26 places, 14 transitions, 65 flow [2022-12-05 23:34:49,306 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:34:49,306 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:34:49,306 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 14 transitions, 65 flow [2022-12-05 23:34:49,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 14 transitions, 65 flow [2022-12-05 23:34:49,315 INFO L130 PetriNetUnfolder]: 3/19 cut-off events. [2022-12-05 23:34:49,315 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-05 23:34:49,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 19 events. 3/19 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 22 event pairs, 2 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 34. Up to 12 conditions per place. [2022-12-05 23:34:49,316 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 14 transitions, 65 flow [2022-12-05 23:34:49,316 INFO L188 LiptonReduction]: Number of co-enabled transitions 10 [2022-12-05 23:34:49,319 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:34:49,319 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:34:49,320 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 23:34:49,321 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 23:34:49,322 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [953] L6717-14-->L6720: Formula: (let ((.cse0 (mod |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_33| 4294967296))) (and (= (store |v_#memory_$Pointer$.offset_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23| (store (select |v_#memory_$Pointer$.offset_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23| (select (select |v_#memory_$Pointer$.offset_45| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|))) |v_#memory_$Pointer$.offset_45|) (= |v_#memory_int_75| (store |v_#memory_int_76| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23| (store (select |v_#memory_int_76| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23| .cse0))) (= |v_#memory_$Pointer$.base_45| (store |v_#memory_$Pointer$.base_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23| (store (select |v_#memory_$Pointer$.base_46| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23| (select (select |v_#memory_$Pointer$.base_45| |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|) |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|)))) (or (not (< 0 (mod |v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_25| 4294967296))) (not (< .cse0 (mod v_~nvram_len~0_14 4294967296)))))) InVars {whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_46|, #memory_int=|v_#memory_int_76|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_25|, ~nvram_len~0=v_~nvram_len~0_14, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_33|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_46|} OutVars{whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.base_23|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_45|, #memory_int=|v_#memory_int_75|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~count#1_25|, ~nvram_len~0=v_~nvram_len~0_14, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~ppos#1.offset_23|, whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1=|v_whoop_wrapper_read_nvramThread1of1ForFork0_read_nvram_~i~1#1_33|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_45|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #memory_int, #memory_$Pointer$.offset] and [1207] L6861-3-->L6862-3: Formula: (and (= (store |v_#memory_$Pointer$.base_248| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37| (store (select |v_#memory_$Pointer$.base_248| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37| (select (select |v_#memory_$Pointer$.base_247| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37|))) |v_#memory_$Pointer$.base_247|) (= |v_ULTIMATE.start_main_#t~pre1183#1_27| |v_#pthreadsForks_44|) (= |v_#memory_$Pointer$.offset_247| (store |v_#memory_$Pointer$.offset_248| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37| (store (select |v_#memory_$Pointer$.offset_248| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37| (select (select |v_#memory_$Pointer$.offset_247| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37|)))) (= (store |v_#memory_int_381| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37| (store (select |v_#memory_int_381| |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|) |v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre1183#1_27|)) |v_#memory_int_380|) (= |v_#pthreadsForks_43| (+ |v_#pthreadsForks_44| 1))) InVars {ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_248|, #pthreadsForks=|v_#pthreadsForks_44|, ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|, #memory_int=|v_#memory_int_381|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_248|} OutVars{ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.offset_37|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_247|, #pthreadsForks=|v_#pthreadsForks_43|, ULTIMATE.start_main_#t~pre1181#1=|v_ULTIMATE.start_main_#t~pre1181#1_27|, ULTIMATE.start_main_#t~pre1183#1=|v_ULTIMATE.start_main_#t~pre1183#1_27|, ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base=|v_ULTIMATE.start_main_~#pthread_t_nvram_unlocked_ioctl~0#1.base_37|, #memory_int=|v_#memory_int_380|, ULTIMATE.start_main_#t~nondet1182#1=|v_ULTIMATE.start_main_#t~nondet1182#1_11|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_247|} AuxVars[] AssignedVars[#memory_$Pointer$.base, #pthreadsForks, ULTIMATE.start_main_#t~pre1181#1, ULTIMATE.start_main_#t~pre1183#1, #memory_int, ULTIMATE.start_main_#t~nondet1182#1, #memory_$Pointer$.offset] [2022-12-05 23:34:49,741 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-05 23:34:49,742 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 437 [2022-12-05 23:34:49,742 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 12 transitions, 59 flow [2022-12-05 23:34:49,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:49,742 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:34:49,743 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:34:49,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 23:34:49,743 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)] === [2022-12-05 23:34:49,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:34:49,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1996620982, now seen corresponding path program 1 times [2022-12-05 23:34:49,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:34:49,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352269893] [2022-12-05 23:34:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:34:49,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:34:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:34:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:34:50,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:34:50,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352269893] [2022-12-05 23:34:50,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352269893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:34:50,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:34:50,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:34:50,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815871812] [2022-12-05 23:34:50,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:34:50,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 23:34:50,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:34:50,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 23:34:50,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-05 23:34:50,592 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 12 [2022-12-05 23:34:50,592 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 12 transitions, 59 flow. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:50,593 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:34:50,593 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 12 [2022-12-05 23:34:50,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:34:50,917 INFO L130 PetriNetUnfolder]: 5/19 cut-off events. [2022-12-05 23:34:50,917 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-12-05 23:34:50,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 19 events. 5/19 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 28 event pairs, 4 based on Foata normal form. 8/23 useless extension candidates. Maximal degree in co-relation 42. Up to 15 conditions per place. [2022-12-05 23:34:50,918 INFO L137 encePairwiseOnDemand]: 8/12 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2022-12-05 23:34:50,918 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 11 transitions, 73 flow [2022-12-05 23:34:50,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 23:34:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 23:34:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-12-05 23:34:50,920 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2 [2022-12-05 23:34:50,920 INFO L175 Difference]: Start difference. First operand has 23 places, 12 transitions, 59 flow. Second operand 5 states and 12 transitions. [2022-12-05 23:34:50,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 11 transitions, 73 flow [2022-12-05 23:34:50,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 11 transitions, 47 flow, removed 7 selfloop flow, removed 8 redundant places. [2022-12-05 23:34:50,921 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2022-12-05 23:34:50,921 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=12, PETRI_DIFFERENCE_MINUEND_FLOW=25, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2022-12-05 23:34:50,922 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, -7 predicate places. [2022-12-05 23:34:50,922 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:34:50,922 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 0 transitions, 0 flow [2022-12-05 23:34:50,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-05 23:34:50,922 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-05 23:34:50,922 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 23:34:50,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-05 23:34:50,923 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-05 23:34:50,923 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-05 23:34:50,923 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-05 23:34:50,923 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-05 23:34:50,923 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-05 23:34:50,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 23:34:50,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-05 23:34:50,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-05 23:34:50,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-05 23:34:50,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-05 23:34:50,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 23:34:50,926 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-05 23:34:50,930 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 23:34:50,930 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 23:34:50,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 11:34:50 BasicIcfg [2022-12-05 23:34:50,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 23:34:50,934 INFO L158 Benchmark]: Toolchain (without parser) took 483783.30ms. Allocated memory was 176.2MB in the beginning and 677.4MB in the end (delta: 501.2MB). Free memory was 142.9MB in the beginning and 260.3MB in the end (delta: -117.3MB). Peak memory consumption was 384.6MB. Max. memory is 8.0GB. [2022-12-05 23:34:50,934 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:34:50,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5662.43ms. Allocated memory was 176.2MB in the beginning and 271.6MB in the end (delta: 95.4MB). Free memory was 142.4MB in the beginning and 148.7MB in the end (delta: -6.3MB). Peak memory consumption was 99.3MB. Max. memory is 8.0GB. [2022-12-05 23:34:50,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 192.87ms. Allocated memory is still 271.6MB. Free memory was 148.7MB in the beginning and 139.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-05 23:34:50,935 INFO L158 Benchmark]: Boogie Preprocessor took 88.49ms. Allocated memory is still 271.6MB. Free memory was 139.3MB in the beginning and 135.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-05 23:34:50,935 INFO L158 Benchmark]: RCFGBuilder took 1113.66ms. Allocated memory is still 271.6MB. Free memory was 135.1MB in the beginning and 187.9MB in the end (delta: -52.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-05 23:34:50,935 INFO L158 Benchmark]: TraceAbstraction took 476718.69ms. Allocated memory was 271.6MB in the beginning and 677.4MB in the end (delta: 405.8MB). Free memory was 187.4MB in the beginning and 260.3MB in the end (delta: -72.9MB). Peak memory consumption was 332.9MB. Max. memory is 8.0GB. [2022-12-05 23:34:50,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5662.43ms. Allocated memory was 176.2MB in the beginning and 271.6MB in the end (delta: 95.4MB). Free memory was 142.4MB in the beginning and 148.7MB in the end (delta: -6.3MB). Peak memory consumption was 99.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 192.87ms. Allocated memory is still 271.6MB. Free memory was 148.7MB in the beginning and 139.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 88.49ms. Allocated memory is still 271.6MB. Free memory was 139.3MB in the beginning and 135.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1113.66ms. Allocated memory is still 271.6MB. Free memory was 135.1MB in the beginning and 187.9MB in the end (delta: -52.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 476718.69ms. Allocated memory was 271.6MB in the beginning and 677.4MB in the end (delta: 405.8MB). Free memory was 187.4MB in the beginning and 260.3MB in the end (delta: -72.9MB). Peak memory consumption was 332.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 454.2s, 318 PlacesBefore, 25 PlacesAfterwards, 322 TransitionsBefore, 22 TransitionsAfterwards, 9480 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 121 ConcurrentYvCompositions, 7 ChoiceCompositions, 304 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6236, independent: 6203, independent conditional: 6203, independent unconditional: 0, dependent: 33, dependent conditional: 33, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6236, independent: 6203, independent conditional: 0, independent unconditional: 6203, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6236, independent: 6203, independent conditional: 0, independent unconditional: 6203, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6236, independent: 6203, independent conditional: 0, independent unconditional: 6203, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5632, independent: 5609, independent conditional: 0, independent unconditional: 5609, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5632, independent: 5598, independent conditional: 0, independent unconditional: 5598, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 112, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6236, independent: 594, independent conditional: 0, independent unconditional: 594, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 5632, unknown conditional: 0, unknown unconditional: 5632] , Statistics on independence cache: Total cache size (in pairs): 11952, Positive cache size: 11929, Positive conditional cache size: 0, Positive unconditional cache size: 11929, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 19 PlacesBefore, 18 PlacesAfterwards, 16 TransitionsBefore, 15 TransitionsAfterwards, 106 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2226, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 2129, unknown conditional: 0, unknown unconditional: 2129] ], Cache Queries: [ total: 27, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 21 PlacesBefore, 21 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, independent: 10, independent conditional: 10, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17, independent: 10, independent conditional: 0, independent unconditional: 10, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 24, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 24 PlacesBefore, 24 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 17, dependent conditional: 17, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 35, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35, independent: 18, independent conditional: 18, independent unconditional: 0, dependent: 17, dependent conditional: 16, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 23, dependent conditional: 23, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 14, dependent conditional: 13, dependent unconditional: 1, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 15, Positive conditional cache size: 4, Positive unconditional cache size: 11, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4s, 26 PlacesBefore, 23 PlacesAfterwards, 14 TransitionsBefore, 12 TransitionsAfterwards, 10 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 15, Positive conditional cache size: 4, Positive unconditional cache size: 11, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 15, Positive conditional cache size: 4, Positive unconditional cache size: 11, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 448 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 476.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 454.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 0 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=3, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 23:34:51,008 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...