/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-RepeatedSemanticLbeWithDisjunctivePredicates.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 [2022-12-06 06:51:29,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:51:29,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:51:29,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:51:29,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:51:29,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:51:29,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:51:29,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:51:29,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:51:29,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:51:29,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:51:29,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:51:29,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:51:29,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:51:29,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:51:29,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:51:29,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:51:29,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:51:29,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:51:29,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:51:29,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:51:29,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:51:29,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:51:29,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:51:29,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:51:29,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:51:29,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:51:29,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:51:29,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:51:29,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:51:29,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:51:29,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:51:29,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:51:29,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:51:29,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:51:29,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:51:29,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:51:29,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:51:29,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:51:29,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:51:29,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:51:29,170 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:51:29,197 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:51:29,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:51:29,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:51:29,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:51:29,199 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:51:29,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:51:29,200 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:51:29,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:51:29,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:51:29,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:51:29,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:51:29,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:51:29,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:51:29,201 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:51:29,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:51:29,201 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:51:29,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:51:29,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:51:29,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:51:29,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:51:29,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:51:29,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:51:29,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:51:29,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:51:29,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:51:29,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:51:29,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:51:29,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:51:29,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:51:29,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:51:29,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:51:29,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:51:29,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:51:29,546 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:51:29,547 INFO L432 ainManager$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 [2022-12-06 06:51:30,664 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:51:31,099 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:51:31,100 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-06 06:51:31,149 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ad0588f/f0a66e78fa6b4b41946e2f4ce9d66656/FLAG2782f6cb3 [2022-12-06 06:51:31,166 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03ad0588f/f0a66e78fa6b4b41946e2f4ce9d66656 [2022-12-06 06:51:31,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:51:31,169 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:51:31,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:51:31,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:51:31,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:51:31,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:51:31" (1/1) ... [2022-12-06 06:51:31,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754784b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:31, skipping insertion in model container [2022-12-06 06:51:31,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:51:31" (1/1) ... [2022-12-06 06:51:31,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:51:31,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:51:31,604 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] [2022-12-06 06:51:31,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:31,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:31,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:31,974 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:31,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:31,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:32,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:32,089 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:32,093 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:32,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:32,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:32,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:32,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:32,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:32,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:32,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:32,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:32,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:32,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:32,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:32,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:32,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:32,373 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 06:51:32,377 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:51:32,380 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:51:32,387 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:51:32,450 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 06:51:32,455 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 06:51:32,523 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 06:51:32,688 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 06:51:32,697 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 06:51:32,736 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 06:51:32,741 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 06:51:32,954 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 06:51:32,957 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 06:51:32,959 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 06:51:33,026 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 06:51:33,026 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 06:51:33,028 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 06:51:33,029 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 06:51:33,136 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 06:51:33,160 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 06:51:33,271 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 06:51:33,275 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 06:51:33,464 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 06:51:33,651 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 06:51:33,651 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 06:51:33,651 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 06:51:34,592 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 06:51:34,593 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:51:34,595 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:51:34,598 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:51:34,602 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:51:35,038 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 06:51:35,046 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 06:51:35,055 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 06:51:35,067 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 06:51:35,067 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 06:51:35,072 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 06:51:35,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:51:35,158 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:51:35,171 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] [2022-12-06 06:51:35,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,187 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,190 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,191 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,192 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:51:35,193 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:51:35,221 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 06:51:35,221 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:51:35,221 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:51:35,221 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:51:35,225 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 06:51:35,225 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 06:51:35,227 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 06:51:35,233 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 06:51:35,234 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 06:51:35,235 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 06:51:35,236 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 06:51:35,241 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 06:51:35,241 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 06:51:35,241 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 06:51:35,243 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 06:51:35,243 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 06:51:35,243 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 06:51:35,244 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 06:51:35,248 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 06:51:35,250 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 06:51:35,253 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 06:51:35,254 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 06:51:35,256 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 06:51:35,260 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 06:51:35,260 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 06:51:35,260 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 06:51:35,313 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 06:51:35,313 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:51:35,316 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:51:35,321 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:51:35,323 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:51:35,354 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 06:51:35,355 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 06:51:35,356 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 06:51:35,357 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 06:51:35,357 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 06:51:35,358 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 06:51:35,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:51:35,739 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:51:35,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35 WrapperNode [2022-12-06 06:51:35,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:51:35,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:51:35,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:51:35,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:51:35,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,874 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 316 [2022-12-06 06:51:35,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:51:35,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:51:35,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:51:35,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:51:35,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:51:35,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:51:35,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:51:35,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:51:35,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (1/1) ... [2022-12-06 06:51:35,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:51:35,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:51:35,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 06:51:35,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 06:51:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 06:51:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 06:51:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 06:51:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 06:51:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:51:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:51:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:51:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 06:51:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:51:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:51:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2022-12-06 06:51:36,012 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2022-12-06 06:51:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:51:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:51:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:51:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 06:51:36,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:51:36,018 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 06:51:36,448 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:51:36,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:51:36,720 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:51:36,738 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:51:36,738 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-06 06:51:36,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:51:36 BoogieIcfgContainer [2022-12-06 06:51:36,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:51:36,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:51:36,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:51:36,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:51:36,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:51:31" (1/3) ... [2022-12-06 06:51:36,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7935cc4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:51:36, skipping insertion in model container [2022-12-06 06:51:36,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:51:35" (2/3) ... [2022-12-06 06:51:36,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7935cc4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:51:36, skipping insertion in model container [2022-12-06 06:51:36,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:51:36" (3/3) ... [2022-12-06 06:51:36,745 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-12-06 06:51:36,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:51:36,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 06:51:36,756 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:51:36,820 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 06:51:36,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 332 transitions, 680 flow [2022-12-06 06:51:36,960 INFO L130 PetriNetUnfolder]: 11/330 cut-off events. [2022-12-06 06:51:36,960 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:51:36,970 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. [2022-12-06 06:51:36,970 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 332 transitions, 680 flow [2022-12-06 06:51:36,977 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 322 transitions, 653 flow [2022-12-06 06:51:36,979 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:51:36,993 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-06 06:51:37,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 322 transitions, 653 flow [2022-12-06 06:51:37,044 INFO L130 PetriNetUnfolder]: 11/322 cut-off events. [2022-12-06 06:51:37,045 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:51:37,048 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. [2022-12-06 06:51:37,055 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 322 transitions, 653 flow [2022-12-06 06:51:37,056 INFO L188 LiptonReduction]: Number of co-enabled transitions 9480 [2022-12-06 06:51:38,812 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:38,814 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:38,817 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:38,818 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:39,082 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:39,083 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:39,085 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:39,086 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:39,545 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:39,545 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:39,546 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:39,547 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:40,091 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:40,092 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:40,094 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:40,095 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:40,219 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:40,220 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:40,222 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:40,223 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:40,828 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:40,839 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:40,842 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:40,844 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:40,933 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:40,934 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:40,936 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:40,937 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:40,986 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:40,987 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:41,121 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:41,122 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 06:51:41,124 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:41,124 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:41,233 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:41,234 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:41,235 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:41,235 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:41,792 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:41,792 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:42,038 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:42,038 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:42,040 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:42,040 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:48,125 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:48,125 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-06 06:51:48,131 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:48,132 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 06:51:48,136 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:48,136 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-06 06:51:48,141 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:48,141 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 06:51:48,146 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:48,147 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 06:51:51,377 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:51,378 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:51,380 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:51,380 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:54,388 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:54,388 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:54,399 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:54,399 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:52:01,491 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:01,491 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:52:01,492 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:01,493 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:52:06,734 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:06,735 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-06 06:52:06,742 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:06,743 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-06 06:52:06,749 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:06,750 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 06:52:06,755 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:06,756 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-06 06:52:06,759 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:06,760 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-06 06:52:10,818 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:10,818 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 06:52:10,824 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:10,824 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-12-06 06:52:10,827 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:10,828 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 934 [2022-12-06 06:52:10,832 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:10,834 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1218 [2022-12-06 06:52:10,841 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:10,842 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2022-12-06 06:52:10,850 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:10,851 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2022-12-06 06:52:10,857 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:10,857 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-06 06:52:16,292 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:16,294 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:52:16,296 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:16,296 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:52:16,300 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:16,300 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:52:16,302 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:16,302 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:52:16,891 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:16,892 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:52:16,894 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:16,894 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 06:52:16,896 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:16,898 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 06:52:16,900 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:16,900 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 06:52:16,902 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:16,902 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2022-12-06 06:52:22,399 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:22,403 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 06:52:22,408 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:22,408 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2022-12-06 06:52:22,416 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:22,417 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2022-12-06 06:52:22,421 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:22,422 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 763 [2022-12-06 06:52:22,425 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:22,426 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 999 [2022-12-06 06:52:22,430 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:22,431 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 265 [2022-12-06 06:52:22,435 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:52:22,435 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-06 06:52:49,231 WARN L233 SmtUtils]: Spent 14.37s 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) [2022-12-06 06:53:05,270 WARN L233 SmtUtils]: Spent 16.02s 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) [2022-12-06 06:53:18,725 WARN L233 SmtUtils]: Spent 13.45s 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) [2022-12-06 06:53:29,198 WARN L233 SmtUtils]: Spent 10.46s 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) [2022-12-06 06:53:30,558 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:53:30,558 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:53:30,561 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:53:30,562 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:53:30,566 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:53:30,567 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:53:30,569 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:53:30,569 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:55:29,995 WARN L233 SmtUtils]: Spent 1.99m 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) [2022-12-06 06:56:21,895 WARN L233 SmtUtils]: Spent 51.89s on a formula simplification that was a NOOP. DAG size: 501 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:58:18,506 WARN L233 SmtUtils]: Spent 1.94m 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) [2022-12-06 06:59:20,718 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 510 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:59:20,758 INFO L203 LiptonReduction]: Total number of compositions: 304 [2022-12-06 06:59:20,768 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:59:20,770 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;@2aff8deb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:59:20,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 06:59:20,777 INFO L130 PetriNetUnfolder]: 4/19 cut-off events. [2022-12-06 06:59:20,777 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:59:20,777 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:59:20,778 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 06:59:20,778 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)] === [2022-12-06 06:59:20,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:59:20,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1598865153, now seen corresponding path program 1 times [2022-12-06 06:59:20,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:59:20,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315207977] [2022-12-06 06:59:20,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:59:20,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:59:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:59:21,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:59:21,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:59:21,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315207977] [2022-12-06 06:59:21,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315207977] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:59:21,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:59:21,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:59:21,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992513112] [2022-12-06 06:59:21,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:59:21,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 06:59:21,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:59:21,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 06:59:21,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 06:59:21,173 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 22 [2022-12-06 06:59:21,174 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) [2022-12-06 06:59:21,174 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:59:21,174 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 22 [2022-12-06 06:59:21,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:59:21,327 INFO L130 PetriNetUnfolder]: 165/276 cut-off events. [2022-12-06 06:59:21,327 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-06 06:59:21,328 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. [2022-12-06 06:59:21,329 INFO L137 encePairwiseOnDemand]: 21/22 looper letters, 16 selfloop transitions, 0 changer transitions 5/21 dead transitions. [2022-12-06 06:59:21,329 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 21 transitions, 93 flow [2022-12-06 06:59:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 06:59:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 06:59:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 22 transitions. [2022-12-06 06:59:21,337 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 06:59:21,338 INFO L175 Difference]: Start difference. First operand has 25 places, 22 transitions, 53 flow. Second operand 2 states and 22 transitions. [2022-12-06 06:59:21,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 21 transitions, 93 flow [2022-12-06 06:59:21,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 21 transitions, 88 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 06:59:21,340 INFO L231 Difference]: Finished difference. Result has 23 places, 16 transitions, 35 flow [2022-12-06 06:59:21,342 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} [2022-12-06 06:59:21,344 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, -2 predicate places. [2022-12-06 06:59:21,344 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:59:21,344 INFO L89 Accepts]: Start accepts. Operand has 23 places, 16 transitions, 35 flow [2022-12-06 06:59:21,346 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:59:21,346 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:59:21,346 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 16 transitions, 35 flow [2022-12-06 06:59:21,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 19 places, 16 transitions, 35 flow [2022-12-06 06:59:21,361 INFO L130 PetriNetUnfolder]: 1/16 cut-off events. [2022-12-06 06:59:21,361 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:59:21,361 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. [2022-12-06 06:59:21,362 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 16 transitions, 35 flow [2022-12-06 06:59:21,362 INFO L188 LiptonReduction]: Number of co-enabled transitions 106 [2022-12-06 06:59:23,697 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 06:59:23,698 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2354 [2022-12-06 06:59:23,698 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 15 transitions, 33 flow [2022-12-06 06:59:23,698 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) [2022-12-06 06:59:23,698 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:59:23,699 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-06 06:59:23,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:59:23,699 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)] === [2022-12-06 06:59:23,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:59:23,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1598872376, now seen corresponding path program 1 times [2022-12-06 06:59:23,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:59:23,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224977936] [2022-12-06 06:59:23,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:59:23,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:59:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:59:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:59:24,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:59:24,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224977936] [2022-12-06 06:59:24,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224977936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:59:24,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:59:24,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:59:24,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919971671] [2022-12-06 06:59:24,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:59:24,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:59:24,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:59:24,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:59:24,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:59:24,163 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-06 06:59:24,163 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) [2022-12-06 06:59:24,163 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:59:24,164 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-06 06:59:24,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:59:24,358 INFO L130 PetriNetUnfolder]: 94/177 cut-off events. [2022-12-06 06:59:24,358 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:59:24,358 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. [2022-12-06 06:59:24,358 INFO L137 encePairwiseOnDemand]: 8/15 looper letters, 16 selfloop transitions, 6 changer transitions 1/23 dead transitions. [2022-12-06 06:59:24,358 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 23 transitions, 97 flow [2022-12-06 06:59:24,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:59:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:59:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2022-12-06 06:59:24,360 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2022-12-06 06:59:24,360 INFO L175 Difference]: Start difference. First operand has 18 places, 15 transitions, 33 flow. Second operand 3 states and 24 transitions. [2022-12-06 06:59:24,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 23 transitions, 97 flow [2022-12-06 06:59:24,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 23 transitions, 97 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 06:59:24,361 INFO L231 Difference]: Finished difference. Result has 21 places, 20 transitions, 73 flow [2022-12-06 06:59:24,361 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} [2022-12-06 06:59:24,362 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, -4 predicate places. [2022-12-06 06:59:24,362 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:59:24,362 INFO L89 Accepts]: Start accepts. Operand has 21 places, 20 transitions, 73 flow [2022-12-06 06:59:24,363 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:59:24,363 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:59:24,363 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 20 transitions, 73 flow [2022-12-06 06:59:24,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 20 transitions, 73 flow [2022-12-06 06:59:24,371 INFO L130 PetriNetUnfolder]: 9/40 cut-off events. [2022-12-06 06:59:24,371 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-06 06:59:24,371 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. [2022-12-06 06:59:24,372 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 20 transitions, 73 flow [2022-12-06 06:59:24,372 INFO L188 LiptonReduction]: Number of co-enabled transitions 78 [2022-12-06 06:59:24,379 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:59:24,380 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 18 [2022-12-06 06:59:24,380 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 20 transitions, 73 flow [2022-12-06 06:59:24,380 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) [2022-12-06 06:59:24,380 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:59:24,380 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:59:24,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:59:24,381 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)] === [2022-12-06 06:59:24,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:59:24,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1974564203, now seen corresponding path program 1 times [2022-12-06 06:59:24,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:59:24,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878266554] [2022-12-06 06:59:24,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:59:24,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:59:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:59:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:59:25,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:59:25,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878266554] [2022-12-06 06:59:25,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878266554] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:59:25,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:59:25,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:59:25,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454613211] [2022-12-06 06:59:25,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:59:25,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:59:25,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:59:25,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:59:25,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:59:25,206 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-06 06:59:25,206 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) [2022-12-06 06:59:25,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:59:25,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-06 06:59:25,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:59:25,758 INFO L130 PetriNetUnfolder]: 85/163 cut-off events. [2022-12-06 06:59:25,758 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-06 06:59:25,759 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. [2022-12-06 06:59:25,761 INFO L137 encePairwiseOnDemand]: 7/15 looper letters, 17 selfloop transitions, 9 changer transitions 7/33 dead transitions. [2022-12-06 06:59:25,761 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 33 transitions, 183 flow [2022-12-06 06:59:25,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:59:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:59:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-12-06 06:59:25,763 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4266666666666667 [2022-12-06 06:59:25,763 INFO L175 Difference]: Start difference. First operand has 21 places, 20 transitions, 73 flow. Second operand 5 states and 32 transitions. [2022-12-06 06:59:25,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 33 transitions, 183 flow [2022-12-06 06:59:25,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 33 transitions, 177 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:59:25,766 INFO L231 Difference]: Finished difference. Result has 25 places, 20 transitions, 98 flow [2022-12-06 06:59:25,766 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} [2022-12-06 06:59:25,767 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 0 predicate places. [2022-12-06 06:59:25,767 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:59:25,767 INFO L89 Accepts]: Start accepts. Operand has 25 places, 20 transitions, 98 flow [2022-12-06 06:59:25,767 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:59:25,768 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:59:25,768 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 25 places, 20 transitions, 98 flow [2022-12-06 06:59:25,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 20 transitions, 98 flow [2022-12-06 06:59:25,779 INFO L130 PetriNetUnfolder]: 7/33 cut-off events. [2022-12-06 06:59:25,779 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-06 06:59:25,779 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. [2022-12-06 06:59:25,779 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 20 transitions, 98 flow [2022-12-06 06:59:25,780 INFO L188 LiptonReduction]: Number of co-enabled transitions 60 [2022-12-06 06:59:25,811 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:59:25,812 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 45 [2022-12-06 06:59:25,812 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 20 transitions, 98 flow [2022-12-06 06:59:25,812 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) [2022-12-06 06:59:25,813 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:59:25,813 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:59:25,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 06:59:25,813 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)] === [2022-12-06 06:59:25,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:59:25,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1032351169, now seen corresponding path program 1 times [2022-12-06 06:59:25,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:59:25,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632135360] [2022-12-06 06:59:25,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:59:25,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:59:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:59:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:59:37,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:59:37,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632135360] [2022-12-06 06:59:37,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632135360] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:59:37,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:59:37,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:59:37,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922377602] [2022-12-06 06:59:37,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:59:37,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:59:37,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:59:37,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:59:37,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:59:37,212 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 14 [2022-12-06 06:59:37,212 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) [2022-12-06 06:59:37,212 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:59:37,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 14 [2022-12-06 06:59:37,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:59:37,454 INFO L130 PetriNetUnfolder]: 62/130 cut-off events. [2022-12-06 06:59:37,454 INFO L131 PetriNetUnfolder]: For 70/70 co-relation queries the response was YES. [2022-12-06 06:59:37,454 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. [2022-12-06 06:59:37,454 INFO L137 encePairwiseOnDemand]: 9/14 looper letters, 10 selfloop transitions, 4 changer transitions 16/30 dead transitions. [2022-12-06 06:59:37,454 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 30 transitions, 196 flow [2022-12-06 06:59:37,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:59:37,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:59:37,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2022-12-06 06:59:37,456 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4 [2022-12-06 06:59:37,456 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 98 flow. Second operand 5 states and 28 transitions. [2022-12-06 06:59:37,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 30 transitions, 196 flow [2022-12-06 06:59:37,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 30 transitions, 185 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 06:59:37,459 INFO L231 Difference]: Finished difference. Result has 26 places, 14 transitions, 65 flow [2022-12-06 06:59:37,459 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} [2022-12-06 06:59:37,460 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, 1 predicate places. [2022-12-06 06:59:37,460 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:59:37,460 INFO L89 Accepts]: Start accepts. Operand has 26 places, 14 transitions, 65 flow [2022-12-06 06:59:37,461 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:59:37,461 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:59:37,461 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 14 transitions, 65 flow [2022-12-06 06:59:37,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 14 transitions, 65 flow [2022-12-06 06:59:37,468 INFO L130 PetriNetUnfolder]: 3/19 cut-off events. [2022-12-06 06:59:37,468 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-06 06:59:37,468 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. [2022-12-06 06:59:37,468 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 14 transitions, 65 flow [2022-12-06 06:59:37,468 INFO L188 LiptonReduction]: Number of co-enabled transitions 10 [2022-12-06 06:59:37,471 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:59:37,471 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:59:37,472 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:59:37,473 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:59:37,473 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] [2022-12-06 06:59:37,811 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 06:59:37,812 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 352 [2022-12-06 06:59:37,812 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 12 transitions, 59 flow [2022-12-06 06:59:37,812 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) [2022-12-06 06:59:37,812 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:59:37,812 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:59:37,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 06:59:37,812 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)] === [2022-12-06 06:59:37,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:59:37,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1996620982, now seen corresponding path program 1 times [2022-12-06 06:59:37,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:59:37,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516135753] [2022-12-06 06:59:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:59:37,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:59:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:59:38,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 06:59:38,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:59:38,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516135753] [2022-12-06 06:59:38,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516135753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:59:38,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:59:38,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:59:38,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767087928] [2022-12-06 06:59:38,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:59:38,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:59:38,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:59:38,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:59:38,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:59:38,376 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 12 [2022-12-06 06:59:38,376 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) [2022-12-06 06:59:38,376 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:59:38,376 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 12 [2022-12-06 06:59:38,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:59:38,623 INFO L130 PetriNetUnfolder]: 5/19 cut-off events. [2022-12-06 06:59:38,623 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-12-06 06:59:38,623 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. [2022-12-06 06:59:38,623 INFO L137 encePairwiseOnDemand]: 8/12 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2022-12-06 06:59:38,623 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 11 transitions, 73 flow [2022-12-06 06:59:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:59:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:59:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2022-12-06 06:59:38,625 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2 [2022-12-06 06:59:38,625 INFO L175 Difference]: Start difference. First operand has 23 places, 12 transitions, 59 flow. Second operand 5 states and 12 transitions. [2022-12-06 06:59:38,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 11 transitions, 73 flow [2022-12-06 06:59:38,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 11 transitions, 47 flow, removed 7 selfloop flow, removed 8 redundant places. [2022-12-06 06:59:38,626 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2022-12-06 06:59:38,626 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} [2022-12-06 06:59:38,626 INFO L294 CegarLoopForPetriNet]: 25 programPoint places, -7 predicate places. [2022-12-06 06:59:38,627 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:59:38,627 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 18 places, 0 transitions, 0 flow [2022-12-06 06:59:38,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 06:59:38,627 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 06:59:38,627 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:59:38,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 06:59:38,627 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 06:59:38,627 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 06:59:38,628 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:59:38,628 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-06 06:59:38,628 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 06:59:38,628 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) [2022-12-06 06:59:38,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 06:59:38,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 06:59:38,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 06:59:38,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 06:59:38,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 06:59:38,632 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-06 06:59:38,636 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:59:38,636 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:59:38,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:59:38 BasicIcfg [2022-12-06 06:59:38,639 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:59:38,640 INFO L158 Benchmark]: Toolchain (without parser) took 487470.86ms. Allocated memory was 180.4MB in the beginning and 730.9MB in the end (delta: 550.5MB). Free memory was 146.4MB in the beginning and 642.8MB in the end (delta: -496.4MB). Peak memory consumption was 56.0MB. Max. memory is 8.0GB. [2022-12-06 06:59:38,640 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:59:38,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4570.16ms. Allocated memory was 180.4MB in the beginning and 316.7MB in the end (delta: 136.3MB). Free memory was 146.2MB in the beginning and 231.7MB in the end (delta: -85.5MB). Peak memory consumption was 136.0MB. Max. memory is 8.0GB. [2022-12-06 06:59:38,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.04ms. Allocated memory is still 316.7MB. Free memory was 231.7MB in the beginning and 222.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-12-06 06:59:38,641 INFO L158 Benchmark]: Boogie Preprocessor took 58.76ms. Allocated memory is still 316.7MB. Free memory was 222.3MB in the beginning and 218.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-06 06:59:38,641 INFO L158 Benchmark]: RCFGBuilder took 806.04ms. Allocated memory is still 316.7MB. Free memory was 218.1MB in the beginning and 176.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2022-12-06 06:59:38,641 INFO L158 Benchmark]: TraceAbstraction took 481897.70ms. Allocated memory was 316.7MB in the beginning and 730.9MB in the end (delta: 414.2MB). Free memory was 175.6MB in the beginning and 642.8MB in the end (delta: -467.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:59:38,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4570.16ms. Allocated memory was 180.4MB in the beginning and 316.7MB in the end (delta: 136.3MB). Free memory was 146.2MB in the beginning and 231.7MB in the end (delta: -85.5MB). Peak memory consumption was 136.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 133.04ms. Allocated memory is still 316.7MB. Free memory was 231.7MB in the beginning and 222.3MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.76ms. Allocated memory is still 316.7MB. Free memory was 222.3MB in the beginning and 218.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 806.04ms. Allocated memory is still 316.7MB. Free memory was 218.1MB in the beginning and 176.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * TraceAbstraction took 481897.70ms. Allocated memory was 316.7MB in the beginning and 730.9MB in the end (delta: 414.2MB). Free memory was 175.6MB in the beginning and 642.8MB in the end (delta: -467.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 463.7s, 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: 104, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 82, dependent conditional: 0, dependent unconditional: 82, 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: 2268, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 2159, unknown conditional: 0, unknown unconditional: 2159] ], 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: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, 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: 27, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 22, dependent conditional: 22, 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: 0.3s, 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: 481.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 463.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.1s 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, 0.1s 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, 12.7s 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! [2022-12-06 06:59:38,709 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...