/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:29:56,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:29:56,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:29:56,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:29:56,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:29:56,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:29:56,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:29:56,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:29:56,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:29:56,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:29:56,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:29:56,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:29:56,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:29:56,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:29:56,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:29:56,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:29:56,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:29:56,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:29:56,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:29:56,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:29:56,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:29:56,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:29:56,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:29:56,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:29:56,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:29:56,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:29:56,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:29:56,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:29:56,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:29:56,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:29:56,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:29:56,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:29:56,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:29:56,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:29:56,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:29:56,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:29:56,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:29:56,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:29:56,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:29:56,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:29:56,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:29:56,156 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 01:29:56,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:29:56,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:29:56,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:29:56,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:29:56,185 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:29:56,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:29:56,186 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:29:56,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:29:56,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:29:56,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:29:56,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:29:56,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:29:56,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:29:56,187 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:29:56,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:29:56,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:29:56,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:29:56,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:29:56,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:29:56,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:29:56,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:29:56,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:29:56,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:29:56,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:29:56,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:29:56,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:29:56,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:29:56,189 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:29:56,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:29:56,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:29:56,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:29:56,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:29:56,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:29:56,694 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:29:56,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-06 01:29:57,702 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:29:58,074 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:29:58,075 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-06 01:29:58,141 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ecbb1459/1598c5491f0c41ae99398175d1af617b/FLAGd7a4117c7 [2022-12-06 01:29:58,154 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ecbb1459/1598c5491f0c41ae99398175d1af617b [2022-12-06 01:29:58,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:29:58,156 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:29:58,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:29:58,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:29:58,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:29:58,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:58" (1/1) ... [2022-12-06 01:29:58,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85b78a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:58, skipping insertion in model container [2022-12-06 01:29:58,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:58" (1/1) ... [2022-12-06 01:29:58,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:29:58,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:29:58,519 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_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i[5469,5482] [2022-12-06 01:29:58,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:58,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:58,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:58,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:58,804 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:58,805 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:58,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:58,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:58,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:58,826 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:58,835 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:58,836 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:58,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:58,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:58,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:58,855 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:58,881 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 01:29:58,891 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:29:58,901 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:29:58,919 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:29:59,090 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:29:59,098 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:29:59,279 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 01:29:59,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:59,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:59,418 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:59,418 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:59,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:29:59,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:29:59,682 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 01:29:59,687 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 01:29:59,691 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 01:29:59,805 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 01:29:59,806 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:29:59,809 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 01:29:59,810 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:29:59,964 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 01:30:00,613 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:30:00,622 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:30:00,688 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 01:30:00,692 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 01:30:01,022 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 01:30:01,272 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 01:30:01,276 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 01:30:01,436 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 01:30:01,730 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 01:30:01,730 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 01:30:01,730 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 01:30:03,067 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 01:30:03,068 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:30:03,071 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:30:03,074 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:30:03,076 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:30:04,069 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 01:30:04,070 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 01:30:04,120 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 01:30:04,121 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 01:30:04,123 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 01:30:04,126 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 01:30:04,126 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 01:30:04,126 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 01:30:04,131 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 01:30:04,132 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 01:30:04,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:30:04,240 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:30:04,250 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_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i[5469,5482] [2022-12-06 01:30:04,273 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,273 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,273 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,274 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,274 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,274 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,274 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,274 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,274 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,276 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,276 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 01:30:04,276 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:30:04,277 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:30:04,277 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 01:30:04,280 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:30:04,281 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 01:30:04,283 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 01:30:04,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:30:04,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:30:04,309 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 01:30:04,309 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 01:30:04,309 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 01:30:04,312 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 01:30:04,312 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:30:04,312 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 01:30:04,312 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 01:30:04,319 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 01:30:04,349 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:30:04,350 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 01:30:04,352 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 01:30:04,352 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 01:30:04,357 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 01:30:04,361 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 01:30:04,361 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 01:30:04,364 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 01:30:04,367 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 01:30:04,367 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 01:30:04,367 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 01:30:04,478 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 01:30:04,479 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:30:04,482 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:30:04,488 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:30:04,492 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 01:30:04,528 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 01:30:04,529 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 01:30:04,533 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 01:30:04,534 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 01:30:04,535 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 01:30:04,536 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 01:30:04,536 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 01:30:04,537 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 01:30:04,537 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 01:30:04,537 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 01:30:04,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:30:04,995 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:30:04,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04 WrapperNode [2022-12-06 01:30:04,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:30:04,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:30:04,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:30:04,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:30:05,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,169 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 754 [2022-12-06 01:30:05,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:30:05,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:30:05,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:30:05,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:30:05,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:30:05,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:30:05,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:30:05,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:30:05,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (1/1) ... [2022-12-06 01:30:05,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:30:05,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:30:05,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 01:30:05,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 01:30:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 01:30:05,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 01:30:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:30:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:30:05,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 01:30:05,344 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-06 01:30:05,344 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 01:30:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:30:05,346 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:30:05,767 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:30:05,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:30:06,414 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:30:06,444 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:30:06,444 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2022-12-06 01:30:06,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:30:06 BoogieIcfgContainer [2022-12-06 01:30:06,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:30:06,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:30:06,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:30:06,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:30:06,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:29:58" (1/3) ... [2022-12-06 01:30:06,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394be876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:30:06, skipping insertion in model container [2022-12-06 01:30:06,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:30:04" (2/3) ... [2022-12-06 01:30:06,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@394be876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:30:06, skipping insertion in model container [2022-12-06 01:30:06,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:30:06" (3/3) ... [2022-12-06 01:30:06,453 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-06 01:30:06,467 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:30:06,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 01:30:06,467 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:30:06,579 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 01:30:06,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 783 places, 832 transitions, 1680 flow [2022-12-06 01:30:06,892 INFO L130 PetriNetUnfolder]: 56/830 cut-off events. [2022-12-06 01:30:06,892 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 01:30:06,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 830 events. 56/830 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1320 event pairs, 0 based on Foata normal form. 0/773 useless extension candidates. Maximal degree in co-relation 652. Up to 9 conditions per place. [2022-12-06 01:30:06,904 INFO L82 GeneralOperation]: Start removeDead. Operand has 783 places, 832 transitions, 1680 flow [2022-12-06 01:30:06,912 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 275 transitions, 550 flow [2022-12-06 01:30:06,914 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:30:06,936 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 269 places, 275 transitions, 550 flow [2022-12-06 01:30:06,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 269 places, 275 transitions, 550 flow [2022-12-06 01:30:07,059 INFO L130 PetriNetUnfolder]: 7/275 cut-off events. [2022-12-06 01:30:07,060 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:30:07,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 275 events. 7/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 45 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-06 01:30:07,065 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 269 places, 275 transitions, 550 flow [2022-12-06 01:30:07,065 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:30:07,761 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:07,762 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:08,495 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:08,496 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:30:08,497 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:08,498 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:09,131 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:09,132 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:09,134 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:09,134 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:09,136 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:09,137 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:09,139 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:09,140 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:09,507 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:09,508 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:10,387 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:10,388 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:10,512 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:10,513 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:30:10,516 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:10,517 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 01:30:10,520 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:10,521 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2022-12-06 01:30:10,523 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:10,524 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:16,261 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:16,262 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:30:16,265 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:16,266 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 01:30:16,267 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:16,268 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-06 01:30:16,270 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:16,270 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-06 01:30:16,273 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:16,273 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:17,015 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:17,016 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 01:30:17,018 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:17,019 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 01:30:17,021 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:17,021 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:30:17,023 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:17,024 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 01:30:17,026 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:17,026 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:22,615 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:22,616 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 01:30:22,619 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:22,623 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 01:30:22,626 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:22,627 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:30:22,630 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:22,630 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 01:30:22,633 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:22,633 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:39,479 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:39,480 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:39,482 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:39,483 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:39,485 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:39,486 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:39,488 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:30:39,488 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 01:30:48,412 WARN L233 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:30:55,189 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:31:03,736 WARN L233 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:31:10,897 WARN L233 SmtUtils]: Spent 7.16s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:31:13,724 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:31:13,725 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 01:31:13,728 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:31:13,729 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 01:31:13,732 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:31:13,733 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 01:31:13,736 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:31:13,737 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 01:31:13,739 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 01:31:13,740 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-06 01:34:03,423 WARN L233 SmtUtils]: Spent 2.72m on a formula simplification. DAG size of input: 591 DAG size of output: 589 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:35:26,540 WARN L233 SmtUtils]: Spent 1.38m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:37:47,138 WARN L233 SmtUtils]: Spent 2.34m on a formula simplification. DAG size of input: 591 DAG size of output: 589 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:39:00,060 WARN L233 SmtUtils]: Spent 1.22m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 01:39:00,116 INFO L203 LiptonReduction]: Total number of compositions: 269 [2022-12-06 01:39:00,126 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:39:00,129 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;@1c96129d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:39:00,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 01:39:00,134 INFO L130 PetriNetUnfolder]: 2/4 cut-off events. [2022-12-06 01:39:00,135 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:39:00,135 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:39:00,135 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 01:39:00,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 01:39:00,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:39:00,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2493395, now seen corresponding path program 1 times [2022-12-06 01:39:00,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:39:00,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317699524] [2022-12-06 01:39:00,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:39:00,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:39:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:39:00,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:39:00,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:39:00,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317699524] [2022-12-06 01:39:00,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317699524] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:39:00,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:39:00,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:39:00,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161985460] [2022-12-06 01:39:00,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:39:00,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 01:39:00,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:39:00,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 01:39:00,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 01:39:00,592 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 5 [2022-12-06 01:39:00,593 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 4 places, 5 transitions, 10 flow. Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:39:00,593 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:39:00,593 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 5 [2022-12-06 01:39:00,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:39:00,691 INFO L130 PetriNetUnfolder]: 1/3 cut-off events. [2022-12-06 01:39:00,692 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:39:00,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8 conditions, 3 events. 1/3 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 1 event pairs, 0 based on Foata normal form. 1/3 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2022-12-06 01:39:00,692 INFO L137 encePairwiseOnDemand]: 3/5 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2022-12-06 01:39:00,693 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 4 places, 3 transitions, 12 flow [2022-12-06 01:39:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 01:39:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 01:39:00,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2022-12-06 01:39:00,700 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-06 01:39:00,704 INFO L294 CegarLoopForPetriNet]: 4 programPoint places, 0 predicate places. [2022-12-06 01:39:00,704 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:39:00,704 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 4 places, 3 transitions, 12 flow [2022-12-06 01:39:00,711 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 4 places, 3 transitions, 12 flow [2022-12-06 01:39:00,711 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:39:00,711 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:39:00,713 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9 [2022-12-06 01:39:00,713 INFO L495 AbstractCegarLoop]: Abstraction has has 4 places, 3 transitions, 12 flow [2022-12-06 01:39:00,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:39:00,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 01:39:00,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 01:39:00,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-06 01:39:00,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:39:00,715 INFO L458 BasicCegarLoop]: Path program histogram: [1] [2022-12-06 01:39:00,719 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:39:00,719 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:39:00,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:39:00 BasicIcfg [2022-12-06 01:39:00,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:39:00,727 INFO L158 Benchmark]: Toolchain (without parser) took 542569.50ms. Allocated memory was 190.8MB in the beginning and 494.9MB in the end (delta: 304.1MB). Free memory was 156.5MB in the beginning and 361.0MB in the end (delta: -204.5MB). Peak memory consumption was 100.5MB. Max. memory is 8.0GB. [2022-12-06 01:39:00,728 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 190.8MB. Free memory was 168.7MB in the beginning and 168.7MB in the end (delta: 55.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:39:00,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6837.86ms. Allocated memory was 190.8MB in the beginning and 229.6MB in the end (delta: 38.8MB). Free memory was 156.4MB in the beginning and 147.1MB in the end (delta: 9.2MB). Peak memory consumption was 138.2MB. Max. memory is 8.0GB. [2022-12-06 01:39:00,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.28ms. Allocated memory is still 229.6MB. Free memory was 147.1MB in the beginning and 135.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 01:39:00,730 INFO L158 Benchmark]: Boogie Preprocessor took 79.94ms. Allocated memory is still 229.6MB. Free memory was 135.1MB in the beginning and 129.3MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-06 01:39:00,730 INFO L158 Benchmark]: RCFGBuilder took 1196.59ms. Allocated memory was 229.6MB in the beginning and 313.5MB in the end (delta: 83.9MB). Free memory was 129.3MB in the beginning and 226.8MB in the end (delta: -97.5MB). Peak memory consumption was 51.9MB. Max. memory is 8.0GB. [2022-12-06 01:39:00,730 INFO L158 Benchmark]: TraceAbstraction took 534276.52ms. Allocated memory was 313.5MB in the beginning and 494.9MB in the end (delta: 181.4MB). Free memory was 226.3MB in the beginning and 361.0MB in the end (delta: -134.7MB). Peak memory consumption was 46.7MB. Max. memory is 8.0GB. [2022-12-06 01:39:00,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 190.8MB. Free memory was 168.7MB in the beginning and 168.7MB in the end (delta: 55.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6837.86ms. Allocated memory was 190.8MB in the beginning and 229.6MB in the end (delta: 38.8MB). Free memory was 156.4MB in the beginning and 147.1MB in the end (delta: 9.2MB). Peak memory consumption was 138.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 173.28ms. Allocated memory is still 229.6MB. Free memory was 147.1MB in the beginning and 135.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 79.94ms. Allocated memory is still 229.6MB. Free memory was 135.1MB in the beginning and 129.3MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1196.59ms. Allocated memory was 229.6MB in the beginning and 313.5MB in the end (delta: 83.9MB). Free memory was 129.3MB in the beginning and 226.8MB in the end (delta: -97.5MB). Peak memory consumption was 51.9MB. Max. memory is 8.0GB. * TraceAbstraction took 534276.52ms. Allocated memory was 313.5MB in the beginning and 494.9MB in the end (delta: 181.4MB). Free memory was 226.3MB in the beginning and 361.0MB in the end (delta: -134.7MB). Peak memory consumption was 46.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 533.1s, 269 PlacesBefore, 4 PlacesAfterwards, 275 TransitionsBefore, 5 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 265 TrivialYvCompositions, 0 ConcurrentYvCompositions, 4 ChoiceCompositions, 269 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 4 PlacesBefore, 4 PlacesAfterwards, 3 TransitionsBefore, 3 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 987 locations, 3 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: 534.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 533.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=1, InterpolantAutomatonStates: 2, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:39:00,786 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...