/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-NoLbe.epf -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 [2022-12-05 18:44:16,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:44:16,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:44:16,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:44:16,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:44:16,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:44:16,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:44:16,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:44:16,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:44:16,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:44:16,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:44:16,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:44:16,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:44:16,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:44:16,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:44:16,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:44:16,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:44:16,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:44:16,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:44:16,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:44:16,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:44:16,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:44:16,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:44:16,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:44:16,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 18:44:16,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 18:44:16,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 18:44:16,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 18:44:16,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 18:44:16,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 18:44:16,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 18:44:16,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 18:44:16,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 18:44:16,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 18:44:16,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 18:44:16,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 18:44:16,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 18:44:16,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 18:44:16,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:44:16,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:44:16,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:44:16,824 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-NoLbe.epf [2022-12-05 18:44:16,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:44:16,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:44:16,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:44:16,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:44:16,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:44:16,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:44:16,847 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:44:16,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:44:16,848 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:44:16,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:44:16,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:44:16,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:44:16,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:44:16,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:44:16,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:44:16,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:44:16,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:44:16,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:44:16,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:44:16,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:44:16,850 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:44:16,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:44:16,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:44:17,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:44:17,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:44:17,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:44:17,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:44:17,128 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:44:17,129 INFO L432 ainManager$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 [2022-12-05 18:44:18,121 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:44:18,597 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:44:18,597 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-05 18:44:18,635 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb064ca0/e1a03da9db2f440989546b71fc96814b/FLAG641f61c0d [2022-12-05 18:44:18,647 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb064ca0/e1a03da9db2f440989546b71fc96814b [2022-12-05 18:44:18,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:44:18,650 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:44:18,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:44:18,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:44:18,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:44:18,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:44:18" (1/1) ... [2022-12-05 18:44:18,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3c090c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:18, skipping insertion in model container [2022-12-05 18:44:18,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:44:18" (1/1) ... [2022-12-05 18:44:18,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:44:18,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:44:19,018 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] [2022-12-05 18:44:19,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,317 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,346 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:44:19,353 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:19,362 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:19,370 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:19,461 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:44:19,466 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:44:19,566 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:44:19,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,636 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,643 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:19,643 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:19,777 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:44:19,780 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:44:19,782 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:44:19,859 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:44:19,859 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:44:19,862 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:44:19,862 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:44:20,052 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:44:20,354 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:44:20,360 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:44:20,402 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:44:20,406 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:44:20,593 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:44:20,770 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:44:20,774 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:44:20,899 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:44:21,033 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:44:21,034 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:44:21,034 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:44:21,779 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:44:21,780 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:21,783 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:21,786 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:21,788 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:22,210 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:44:22,213 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:44:22,239 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 18:44:22,240 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 18:44:22,241 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 18:44:22,242 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:44:22,242 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 18:44:22,243 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 18:44:22,245 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:44:22,246 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 18:44:22,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:44:22,284 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:44:22,303 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] [2022-12-05 18:44:22,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,309 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,312 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,313 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,313 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,313 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,314 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 18:44:22,314 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:22,315 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:22,315 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 18:44:22,319 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:44:22,320 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 18:44:22,323 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 18:44:22,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 18:44:22,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 18:44:22,347 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 18:44:22,348 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 18:44:22,348 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 18:44:22,352 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 18:44:22,352 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:44:22,353 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 18:44:22,353 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 18:44:22,359 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 18:44:22,371 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:44:22,372 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 18:44:22,374 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 18:44:22,374 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 18:44:22,381 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 18:44:22,384 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 18:44:22,384 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 18:44:22,388 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 18:44:22,391 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 18:44:22,391 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 18:44:22,391 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 18:44:22,438 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 18:44:22,439 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:22,441 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:22,444 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:22,447 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 18:44:22,479 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:44:22,480 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 18:44:22,517 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 18:44:22,517 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 18:44:22,518 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 18:44:22,519 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:44:22,519 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 18:44:22,519 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 18:44:22,519 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 18:44:22,519 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 18:44:22,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:44:22,854 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:44:22,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22 WrapperNode [2022-12-05 18:44:22,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:44:22,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:44:22,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:44:22,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:44:22,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:22,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:22,987 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 754 [2022-12-05 18:44:22,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:44:22,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:44:22,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:44:23,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:44:23,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:23,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:23,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:23,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:23,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:23,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:23,069 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:23,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:23,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:44:23,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:44:23,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:44:23,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:44:23,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (1/1) ... [2022-12-05 18:44:23,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:44:23,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:23,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 18:44:23,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 18:44:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:44:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 18:44:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:44:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 18:44:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:44:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:44:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-05 18:44:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-05 18:44:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 18:44:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:44:23,204 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 18:44:23,661 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:44:23,663 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:44:24,244 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:44:24,265 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:44:24,266 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2022-12-05 18:44:24,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:44:24 BoogieIcfgContainer [2022-12-05 18:44:24,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:44:24,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:44:24,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:44:24,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:44:24,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:44:18" (1/3) ... [2022-12-05 18:44:24,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36080797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:44:24, skipping insertion in model container [2022-12-05 18:44:24,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:44:22" (2/3) ... [2022-12-05 18:44:24,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36080797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:44:24, skipping insertion in model container [2022-12-05 18:44:24,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:44:24" (3/3) ... [2022-12-05 18:44:24,273 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2022-12-05 18:44:24,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:44:24,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 18:44:24,286 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:44:24,363 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 18:44:24,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 783 places, 832 transitions, 1680 flow [2022-12-05 18:44:24,607 INFO L130 PetriNetUnfolder]: 56/830 cut-off events. [2022-12-05 18:44:24,607 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 18:44:24,616 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. [2022-12-05 18:44:24,616 INFO L82 GeneralOperation]: Start removeDead. Operand has 783 places, 832 transitions, 1680 flow [2022-12-05 18:44:24,622 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 269 places, 275 transitions, 550 flow [2022-12-05 18:44:24,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:44:24,638 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=PETRI_NET, 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;@34884415, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:44:24,638 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-05 18:44:24,673 INFO L130 PetriNetUnfolder]: 5/259 cut-off events. [2022-12-05 18:44:24,674 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 18:44:24,674 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:24,674 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:24,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 18:44:24,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:24,679 INFO L85 PathProgramCache]: Analyzing trace with hash -193267275, now seen corresponding path program 1 times [2022-12-05 18:44:24,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:24,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651638499] [2022-12-05 18:44:24,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:24,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:25,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:25,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:25,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651638499] [2022-12-05 18:44:25,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651638499] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:25,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:44:25,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 18:44:25,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264235565] [2022-12-05 18:44:25,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:25,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 18:44:25,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:25,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 18:44:25,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 18:44:25,566 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 783 out of 832 [2022-12-05 18:44:25,573 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 275 transitions, 550 flow. Second operand has 5 states, 5 states have (on average 784.2) internal successors, (3921), 5 states have internal predecessors, (3921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:25,574 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:25,574 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 783 of 832 [2022-12-05 18:44:25,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:25,652 INFO L130 PetriNetUnfolder]: 3/277 cut-off events. [2022-12-05 18:44:25,652 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 18:44:25,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 277 events. 3/277 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 39 event pairs, 0 based on Foata normal form. 2/275 useless extension candidates. Maximal degree in co-relation 86. Up to 8 conditions per place. [2022-12-05 18:44:25,655 INFO L137 encePairwiseOnDemand]: 823/832 looper letters, 10 selfloop transitions, 4 changer transitions 1/275 dead transitions. [2022-12-05 18:44:25,655 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 275 transitions, 578 flow [2022-12-05 18:44:25,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 18:44:25,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 18:44:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3935 transitions. [2022-12-05 18:44:25,675 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9459134615384616 [2022-12-05 18:44:25,676 INFO L175 Difference]: Start difference. First operand has 269 places, 275 transitions, 550 flow. Second operand 5 states and 3935 transitions. [2022-12-05 18:44:25,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 275 transitions, 578 flow [2022-12-05 18:44:25,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 275 transitions, 578 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 18:44:25,686 INFO L231 Difference]: Finished difference. Result has 274 places, 271 transitions, 556 flow [2022-12-05 18:44:25,688 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=832, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=556, PETRI_PLACES=274, PETRI_TRANSITIONS=271} [2022-12-05 18:44:25,691 INFO L294 CegarLoopForPetriNet]: 269 programPoint places, 5 predicate places. [2022-12-05 18:44:25,691 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 271 transitions, 556 flow [2022-12-05 18:44:25,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 784.2) internal successors, (3921), 5 states have internal predecessors, (3921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:25,694 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:44:25,694 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:44:25,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:44:25,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 18:44:25,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:44:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1618277619, now seen corresponding path program 1 times [2022-12-05 18:44:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:44:25,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426838582] [2022-12-05 18:44:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:25,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:44:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:44:26,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:44:26,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426838582] [2022-12-05 18:44:26,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426838582] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 18:44:26,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081078827] [2022-12-05 18:44:26,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:44:26,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:26,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:44:26,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 18:44:26,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-05 18:44:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:44:26,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-05 18:44:26,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 18:44:26,865 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-05 18:44:26,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-05 18:44:26,889 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-05 18:44:26,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-12-05 18:44:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 18:44:26,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 18:44:26,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081078827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:44:26,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 18:44:26,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-12-05 18:44:26,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047420970] [2022-12-05 18:44:26,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:44:26,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 18:44:26,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:44:26,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 18:44:26,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-05 18:44:26,929 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 763 out of 832 [2022-12-05 18:44:26,933 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 271 transitions, 556 flow. Second operand has 6 states, 6 states have (on average 767.8333333333334) internal successors, (4607), 6 states have internal predecessors, (4607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:26,933 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:44:26,933 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 763 of 832 [2022-12-05 18:44:26,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:44:27,023 INFO L130 PetriNetUnfolder]: 3/274 cut-off events. [2022-12-05 18:44:27,023 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 18:44:27,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 274 events. 3/274 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 0 based on Foata normal form. 1/273 useless extension candidates. Maximal degree in co-relation 103. Up to 25 conditions per place. [2022-12-05 18:44:27,024 INFO L137 encePairwiseOnDemand]: 827/832 looper letters, 0 selfloop transitions, 0 changer transitions 269/269 dead transitions. [2022-12-05 18:44:27,024 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 269 transitions, 608 flow [2022-12-05 18:44:27,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 18:44:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 18:44:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4607 transitions. [2022-12-05 18:44:27,031 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9228766025641025 [2022-12-05 18:44:27,031 INFO L175 Difference]: Start difference. First operand has 274 places, 271 transitions, 556 flow. Second operand 6 states and 4607 transitions. [2022-12-05 18:44:27,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 269 transitions, 608 flow [2022-12-05 18:44:27,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 269 transitions, 602 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 18:44:27,035 INFO L231 Difference]: Finished difference. Result has 273 places, 0 transitions, 0 flow [2022-12-05 18:44:27,035 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=832, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=273, PETRI_TRANSITIONS=0} [2022-12-05 18:44:27,035 INFO L294 CegarLoopForPetriNet]: 269 programPoint places, 4 predicate places. [2022-12-05 18:44:27,036 INFO L495 AbstractCegarLoop]: Abstraction has has 273 places, 0 transitions, 0 flow [2022-12-05 18:44:27,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 767.8333333333334) internal successors, (4607), 6 states have internal predecessors, (4607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 18:44:27,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-05 18:44:27,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-05 18:44:27,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-05 18:44:27,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-05 18:44:27,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 18:44:27,251 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-05 18:44:27,254 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 18:44:27,254 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 18:44:27,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 06:44:27 BasicIcfg [2022-12-05 18:44:27,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 18:44:27,258 INFO L158 Benchmark]: Toolchain (without parser) took 8607.93ms. Allocated memory was 187.7MB in the beginning and 388.0MB in the end (delta: 200.3MB). Free memory was 152.1MB in the beginning and 263.9MB in the end (delta: -111.8MB). Peak memory consumption was 89.5MB. Max. memory is 8.0GB. [2022-12-05 18:44:27,258 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:44:27,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4204.84ms. Allocated memory was 187.7MB in the beginning and 292.6MB in the end (delta: 104.9MB). Free memory was 151.6MB in the beginning and 147.8MB in the end (delta: 3.8MB). Peak memory consumption was 118.8MB. Max. memory is 8.0GB. [2022-12-05 18:44:27,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.54ms. Allocated memory is still 292.6MB. Free memory was 147.8MB in the beginning and 136.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-05 18:44:27,259 INFO L158 Benchmark]: Boogie Preprocessor took 98.25ms. Allocated memory is still 292.6MB. Free memory was 136.2MB in the beginning and 230.5MB in the end (delta: -94.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 18:44:27,259 INFO L158 Benchmark]: RCFGBuilder took 1180.49ms. Allocated memory is still 292.6MB. Free memory was 230.5MB in the beginning and 158.7MB in the end (delta: 71.8MB). Peak memory consumption was 72.4MB. Max. memory is 8.0GB. [2022-12-05 18:44:27,260 INFO L158 Benchmark]: TraceAbstraction took 2988.15ms. Allocated memory was 292.6MB in the beginning and 388.0MB in the end (delta: 95.4MB). Free memory was 158.2MB in the beginning and 263.9MB in the end (delta: -105.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:44:27,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 163.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4204.84ms. Allocated memory was 187.7MB in the beginning and 292.6MB in the end (delta: 104.9MB). Free memory was 151.6MB in the beginning and 147.8MB in the end (delta: 3.8MB). Peak memory consumption was 118.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 131.54ms. Allocated memory is still 292.6MB. Free memory was 147.8MB in the beginning and 136.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.25ms. Allocated memory is still 292.6MB. Free memory was 136.2MB in the beginning and 230.5MB in the end (delta: -94.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1180.49ms. Allocated memory is still 292.6MB. Free memory was 230.5MB in the beginning and 158.7MB in the end (delta: 71.8MB). Peak memory consumption was 72.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2988.15ms. Allocated memory was 292.6MB in the beginning and 388.0MB in the end (delta: 95.4MB). Free memory was 158.2MB in the beginning and 263.9MB in the end (delta: -105.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=556occurred in iteration=1, InterpolantAutomatonStates: 11, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 722 NumberOfCodeBlocks, 722 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 719 ConstructedInterpolants, 0 QuantifiedInterpolants, 890 SizeOfPredicates, 14 NumberOfNonLiveVariables, 903 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 18:44:27,304 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...