/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 --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_REDUNDANT_FLOW -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 12:14:57,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 12:14:57,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 12:14:58,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 12:14:58,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 12:14:58,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 12:14:58,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 12:14:58,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 12:14:58,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 12:14:58,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 12:14:58,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 12:14:58,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 12:14:58,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 12:14:58,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 12:14:58,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 12:14:58,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 12:14:58,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 12:14:58,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 12:14:58,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 12:14:58,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 12:14:58,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 12:14:58,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 12:14:58,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 12:14:58,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 12:14:58,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 12:14:58,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 12:14:58,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 12:14:58,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 12:14:58,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 12:14:58,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 12:14:58,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 12:14:58,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 12:14:58,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 12:14:58,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 12:14:58,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 12:14:58,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 12:14:58,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 12:14:58,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 12:14:58,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 12:14:58,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 12:14:58,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 12:14:58,108 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 [2022-12-12 12:14:58,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 12:14:58,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 12:14:58,142 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 12:14:58,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 12:14:58,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 12:14:58,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 12:14:58,143 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 12:14:58,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 12:14:58,144 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 12:14:58,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 12:14:58,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 12:14:58,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 12:14:58,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 12:14:58,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 12:14:58,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 12:14:58,145 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 12:14:58,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 12:14:58,146 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 12:14:58,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 12:14:58,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 12:14:58,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 12:14:58,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 12:14:58,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 12:14:58,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 12:14:58,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 12:14:58,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 12:14:58,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 12:14:58,147 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-12 12:14:58,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 12:14:58,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 12:14:58,148 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 12:14:58,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_REDUNDANT_FLOW [2022-12-12 12:14:58,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 12:14:58,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 12:14:58,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 12:14:58,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 12:14:58,611 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 12:14:58,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2022-12-12 12:15:00,342 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 12:15:01,200 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 12:15:01,201 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2022-12-12 12:15:01,289 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06355e91a/34000c7eb13d4847a149d4e919bce1d0/FLAG4de2d55f2 [2022-12-12 12:15:01,315 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06355e91a/34000c7eb13d4847a149d4e919bce1d0 [2022-12-12 12:15:01,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 12:15:01,320 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 12:15:01,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 12:15:01,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 12:15:01,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 12:15:01,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 12:15:01" (1/1) ... [2022-12-12 12:15:01,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acae11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:01, skipping insertion in model container [2022-12-12 12:15:01,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 12:15:01" (1/1) ... [2022-12-12 12:15:01,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 12:15:01,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 12:15:01,979 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_change_pc8736x_gpio_get.i[5469,5482] [2022-12-12 12:15:02,802 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:02,817 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:02,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:02,827 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:02,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:02,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:02,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:02,857 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:02,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:02,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:02,887 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:02,888 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:02,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:02,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:02,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:02,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:02,966 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 12:15:02,982 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:02,991 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:03,034 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:03,327 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 12:15:03,337 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 12:15:03,692 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 12:15:03,971 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:03,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:04,000 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:04,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:04,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:04,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:04,571 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 12:15:04,579 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 12:15:04,587 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 12:15:04,892 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 12:15:04,893 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 12:15:04,900 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 12:15:04,901 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 12:15:05,355 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 12:15:06,479 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 12:15:06,502 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 12:15:06,629 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 12:15:06,638 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 12:15:07,298 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 12:15:07,741 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 12:15:07,751 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:15:08,188 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 12:15:08,872 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 12:15:08,873 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 12:15:08,873 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 12:15:10,392 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 12:15:10,393 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:10,419 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:10,425 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:10,437 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:11,361 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 12:15:11,376 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 12:15:11,450 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 12:15:11,451 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 12:15:11,457 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 12:15:11,459 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 12:15:11,459 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 12:15:11,460 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 12:15:11,464 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 12:15:11,464 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 12:15:11,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 12:15:11,523 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 12:15:11,548 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_change_pc8736x_gpio_get.i[5469,5482] [2022-12-12 12:15:11,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,554 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,555 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,564 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 12:15:11,565 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:11,565 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:11,566 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:11,570 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 12:15:11,570 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 12:15:11,591 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 12:15:11,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:11,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:11,631 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 12:15:11,632 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 12:15:11,632 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 12:15:11,634 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 12:15:11,635 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 12:15:11,635 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 12:15:11,635 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 12:15:11,641 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 12:15:11,658 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 12:15:11,659 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 12:15:11,676 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 12:15:11,677 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 12:15:11,685 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 12:15:11,690 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 12:15:11,691 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:15:11,711 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 12:15:11,716 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 12:15:11,717 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 12:15:11,717 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 12:15:11,822 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 12:15:11,822 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:11,841 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:11,845 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:11,907 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:11,947 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 12:15:11,948 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 12:15:11,952 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 12:15:11,952 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 12:15:11,953 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 12:15:11,954 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 12:15:11,954 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 12:15:11,954 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 12:15:11,955 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 12:15:11,955 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 12:15:11,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 12:15:12,638 INFO L208 MainTranslator]: Completed translation [2022-12-12 12:15:12,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12 WrapperNode [2022-12-12 12:15:12,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 12:15:12,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 12:15:12,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 12:15:12,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 12:15:12,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:12,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:12,954 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 774 [2022-12-12 12:15:12,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 12:15:12,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 12:15:12,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 12:15:12,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 12:15:12,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:12,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:12,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:12,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:13,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:13,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:13,035 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:13,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:13,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 12:15:13,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 12:15:13,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 12:15:13,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 12:15:13,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (1/1) ... [2022-12-12 12:15:13,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 12:15:13,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:15:13,155 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) [2022-12-12 12:15:13,203 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 [2022-12-12 12:15:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 12:15:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 12:15:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 12:15:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-12 12:15:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-12 12:15:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-12 12:15:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 12:15:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 12:15:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-12 12:15:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 12:15:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 12:15:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 12:15:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-12 12:15:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 12:15:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 12:15:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-12 12:15:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 12:15:13,257 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 12:15:13,978 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 12:15:13,979 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 12:15:15,142 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 12:15:15,158 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 12:15:15,159 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2022-12-12 12:15:15,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 12:15:15 BoogieIcfgContainer [2022-12-12 12:15:15,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 12:15:15,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 12:15:15,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 12:15:15,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 12:15:15,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 12:15:01" (1/3) ... [2022-12-12 12:15:15,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38559669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 12:15:15, skipping insertion in model container [2022-12-12 12:15:15,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:12" (2/3) ... [2022-12-12 12:15:15,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38559669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 12:15:15, skipping insertion in model container [2022-12-12 12:15:15,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 12:15:15" (3/3) ... [2022-12-12 12:15:15,170 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2022-12-12 12:15:15,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 12:15:15,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-12 12:15:15,186 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 12:15:15,368 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 12:15:15,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 792 places, 856 transitions, 1728 flow [2022-12-12 12:15:15,853 INFO L130 PetriNetUnfolder]: 71/854 cut-off events. [2022-12-12 12:15:15,853 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 12:15:15,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 854 events. 71/854 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1429 event pairs, 0 based on Foata normal form. 0/780 useless extension candidates. Maximal degree in co-relation 652. Up to 9 conditions per place. [2022-12-12 12:15:15,867 INFO L82 GeneralOperation]: Start removeDead. Operand has 792 places, 856 transitions, 1728 flow [2022-12-12 12:15:15,894 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 782 places, 846 transitions, 1701 flow [2022-12-12 12:15:15,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 12:15:15,927 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;@74812f21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 12:15:15,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-12 12:15:16,089 INFO L130 PetriNetUnfolder]: 19/396 cut-off events. [2022-12-12 12:15:16,090 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 12:15:16,090 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:16,091 INFO L214 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] [2022-12-12 12:15:16,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 12:15:16,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:16,095 INFO L85 PathProgramCache]: Analyzing trace with hash 49780713, now seen corresponding path program 1 times [2022-12-12 12:15:16,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:16,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281001007] [2022-12-12 12:15:16,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:16,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:17,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:17,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281001007] [2022-12-12 12:15:17,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281001007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:15:17,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:15:17,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-12 12:15:17,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793127012] [2022-12-12 12:15:17,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:15:17,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-12 12:15:17,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:15:17,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-12 12:15:17,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-12 12:15:17,952 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 786 out of 856 [2022-12-12 12:15:17,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 782 places, 846 transitions, 1701 flow. Second operand has 9 states, 9 states have (on average 788.1111111111111) internal successors, (7093), 9 states have internal predecessors, (7093), 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) [2022-12-12 12:15:17,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:15:17,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 786 of 856 [2022-12-12 12:15:17,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:15:18,493 INFO L130 PetriNetUnfolder]: 39/808 cut-off events. [2022-12-12 12:15:18,494 INFO L131 PetriNetUnfolder]: For 5/6 co-relation queries the response was YES. [2022-12-12 12:15:18,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 808 events. 39/808 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1270 event pairs, 0 based on Foata normal form. 20/785 useless extension candidates. Maximal degree in co-relation 656. Up to 12 conditions per place. [2022-12-12 12:15:18,500 INFO L137 encePairwiseOnDemand]: 808/856 looper letters, 18 selfloop transitions, 16 changer transitions 1/808 dead transitions. [2022-12-12 12:15:18,500 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 791 places, 808 transitions, 1693 flow [2022-12-12 12:15:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-12 12:15:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-12 12:15:18,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 12642 transitions. [2022-12-12 12:15:18,557 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9230432242990654 [2022-12-12 12:15:18,561 INFO L295 CegarLoopForPetriNet]: 782 programPoint places, 9 predicate places. [2022-12-12 12:15:18,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 791 places, 808 transitions, 1693 flow [2022-12-12 12:15:18,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 808 transitions, 1620 flow, removed 18 selfloop flow, removed 18 redundant places. [2022-12-12 12:15:18,590 INFO L495 AbstractCegarLoop]: Abstraction has has 773 places, 808 transitions, 1620 flow [2022-12-12 12:15:18,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 788.1111111111111) internal successors, (7093), 9 states have internal predecessors, (7093), 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) [2022-12-12 12:15:18,594 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:18,594 INFO L214 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] [2022-12-12 12:15:18,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 12:15:18,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 12:15:18,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:18,596 INFO L85 PathProgramCache]: Analyzing trace with hash 889962922, now seen corresponding path program 1 times [2022-12-12 12:15:18,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:18,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088217437] [2022-12-12 12:15:18,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:18,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:20,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:20,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:20,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088217437] [2022-12-12 12:15:20,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088217437] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:15:20,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:15:20,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 12:15:20,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137574381] [2022-12-12 12:15:20,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:15:20,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 12:15:20,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:15:20,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 12:15:20,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-12 12:15:20,071 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 778 out of 856 [2022-12-12 12:15:20,077 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 773 places, 808 transitions, 1620 flow. Second operand has 6 states, 6 states have (on average 782.6666666666666) internal successors, (4696), 6 states have internal predecessors, (4696), 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) [2022-12-12 12:15:20,077 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:15:20,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 778 of 856 [2022-12-12 12:15:20,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:15:20,971 INFO L130 PetriNetUnfolder]: 68/1193 cut-off events. [2022-12-12 12:15:20,971 INFO L131 PetriNetUnfolder]: For 4/8 co-relation queries the response was YES. [2022-12-12 12:15:20,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1260 conditions, 1193 events. 68/1193 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 3385 event pairs, 2 based on Foata normal form. 0/1119 useless extension candidates. Maximal degree in co-relation 249. Up to 34 conditions per place. [2022-12-12 12:15:20,999 INFO L137 encePairwiseOnDemand]: 846/856 looper letters, 46 selfloop transitions, 9 changer transitions 1/820 dead transitions. [2022-12-12 12:15:21,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 778 places, 820 transitions, 1758 flow [2022-12-12 12:15:21,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-12 12:15:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-12 12:15:21,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 6280 transitions. [2022-12-12 12:15:21,032 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9170560747663551 [2022-12-12 12:15:21,034 INFO L295 CegarLoopForPetriNet]: 782 programPoint places, -4 predicate places. [2022-12-12 12:15:21,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 778 places, 820 transitions, 1758 flow [2022-12-12 12:15:21,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 774 places, 820 transitions, 1700 flow, removed 25 selfloop flow, removed 4 redundant places. [2022-12-12 12:15:21,062 INFO L495 AbstractCegarLoop]: Abstraction has has 774 places, 820 transitions, 1700 flow [2022-12-12 12:15:21,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 782.6666666666666) internal successors, (4696), 6 states have internal predecessors, (4696), 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) [2022-12-12 12:15:21,065 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:21,066 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:15:21,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 12:15:21,067 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 12:15:21,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:21,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2102801257, now seen corresponding path program 1 times [2022-12-12 12:15:21,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:21,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967201417] [2022-12-12 12:15:21,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:22,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:22,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967201417] [2022-12-12 12:15:22,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967201417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:15:22,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:15:22,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 12:15:22,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471410985] [2022-12-12 12:15:22,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:15:22,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-12 12:15:22,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:15:22,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-12 12:15:22,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-12 12:15:22,218 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 798 out of 856 [2022-12-12 12:15:22,243 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 774 places, 820 transitions, 1700 flow. Second operand has 5 states, 5 states have (on average 799.6) internal successors, (3998), 5 states have internal predecessors, (3998), 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) [2022-12-12 12:15:22,243 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:15:22,243 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 798 of 856 [2022-12-12 12:15:22,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:15:22,802 INFO L130 PetriNetUnfolder]: 90/1474 cut-off events. [2022-12-12 12:15:22,803 INFO L131 PetriNetUnfolder]: For 22/33 co-relation queries the response was YES. [2022-12-12 12:15:22,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1565 conditions, 1474 events. 90/1474 cut-off events. For 22/33 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 4252 event pairs, 3 based on Foata normal form. 0/1375 useless extension candidates. Maximal degree in co-relation 290. Up to 25 conditions per place. [2022-12-12 12:15:22,852 INFO L137 encePairwiseOnDemand]: 849/856 looper letters, 28 selfloop transitions, 6 changer transitions 1/827 dead transitions. [2022-12-12 12:15:22,852 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 827 transitions, 1792 flow [2022-12-12 12:15:22,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 12:15:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 12:15:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4819 transitions. [2022-12-12 12:15:22,877 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9382788161993769 [2022-12-12 12:15:22,879 INFO L295 CegarLoopForPetriNet]: 782 programPoint places, -3 predicate places. [2022-12-12 12:15:22,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 827 transitions, 1792 flow [2022-12-12 12:15:22,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 777 places, 827 transitions, 1766 flow, removed 11 selfloop flow, removed 2 redundant places. [2022-12-12 12:15:22,887 INFO L495 AbstractCegarLoop]: Abstraction has has 777 places, 827 transitions, 1766 flow [2022-12-12 12:15:22,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 799.6) internal successors, (3998), 5 states have internal predecessors, (3998), 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) [2022-12-12 12:15:22,890 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:22,890 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:15:22,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 12:15:22,891 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 12:15:22,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:22,894 INFO L85 PathProgramCache]: Analyzing trace with hash -9878413, now seen corresponding path program 1 times [2022-12-12 12:15:22,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:22,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290055282] [2022-12-12 12:15:22,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:22,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:23,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:23,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290055282] [2022-12-12 12:15:23,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290055282] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:15:23,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978357406] [2022-12-12 12:15:23,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:23,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:15:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:15:23,954 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) [2022-12-12 12:15:23,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-12 12:15:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:24,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-12 12:15:24,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:15:24,752 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 [2022-12-12 12:15:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:15:24,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:15:24,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978357406] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:15:24,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:15:24,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-12-12 12:15:24,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431905107] [2022-12-12 12:15:24,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:15:24,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 12:15:24,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:15:24,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 12:15:24,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-12 12:15:24,806 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 755 out of 856 [2022-12-12 12:15:24,812 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 777 places, 827 transitions, 1766 flow. Second operand has 7 states, 7 states have (on average 760.2857142857143) internal successors, (5322), 7 states have internal predecessors, (5322), 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) [2022-12-12 12:15:24,812 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:15:24,813 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 755 of 856 [2022-12-12 12:15:24,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:15:26,505 INFO L130 PetriNetUnfolder]: 771/4272 cut-off events. [2022-12-12 12:15:26,505 INFO L131 PetriNetUnfolder]: For 511/667 co-relation queries the response was YES. [2022-12-12 12:15:26,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5560 conditions, 4272 events. 771/4272 cut-off events. For 511/667 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 28246 event pairs, 135 based on Foata normal form. 0/3921 useless extension candidates. Maximal degree in co-relation 995. Up to 333 conditions per place. [2022-12-12 12:15:26,581 INFO L137 encePairwiseOnDemand]: 845/856 looper letters, 122 selfloop transitions, 11 changer transitions 1/879 dead transitions. [2022-12-12 12:15:26,581 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 785 places, 879 transitions, 2271 flow [2022-12-12 12:15:26,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-12 12:15:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-12 12:15:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 8407 transitions. [2022-12-12 12:15:26,597 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8928419711129991 [2022-12-12 12:15:26,597 INFO L295 CegarLoopForPetriNet]: 782 programPoint places, 3 predicate places. [2022-12-12 12:15:26,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 785 places, 879 transitions, 2271 flow [2022-12-12 12:15:26,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 780 places, 879 transitions, 2181 flow, removed 40 selfloop flow, removed 5 redundant places. [2022-12-12 12:15:26,618 INFO L495 AbstractCegarLoop]: Abstraction has has 780 places, 879 transitions, 2181 flow [2022-12-12 12:15:26,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 760.2857142857143) internal successors, (5322), 7 states have internal predecessors, (5322), 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) [2022-12-12 12:15:26,626 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:26,626 INFO L214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:15:26,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-12 12:15:26,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:15:26,840 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 12:15:26,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:26,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1191577647, now seen corresponding path program 1 times [2022-12-12 12:15:26,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:26,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670279410] [2022-12-12 12:15:26,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:27,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:27,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:27,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670279410] [2022-12-12 12:15:27,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670279410] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:15:27,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440748568] [2022-12-12 12:15:27,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:27,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:15:27,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:15:28,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-12 12:15:28,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-12 12:15:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:28,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-12 12:15:28,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:15:28,937 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 [2022-12-12 12:15:28,977 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 [2022-12-12 12:15:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:15:29,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:15:29,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440748568] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:15:29,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:15:29,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2022-12-12 12:15:29,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049070647] [2022-12-12 12:15:29,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:15:29,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-12 12:15:29,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:15:29,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-12 12:15:29,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-12-12 12:15:29,077 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 856 [2022-12-12 12:15:29,087 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 780 places, 879 transitions, 2181 flow. Second operand has 11 states, 11 states have (on average 742.4545454545455) internal successors, (8167), 11 states have internal predecessors, (8167), 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) [2022-12-12 12:15:29,088 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:15:29,088 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 856 [2022-12-12 12:15:29,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:15:33,535 INFO L130 PetriNetUnfolder]: 1899/7603 cut-off events. [2022-12-12 12:15:33,536 INFO L131 PetriNetUnfolder]: For 3116/3702 co-relation queries the response was YES. [2022-12-12 12:15:33,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12906 conditions, 7603 events. 1899/7603 cut-off events. For 3116/3702 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 62590 event pairs, 99 based on Foata normal form. 0/7042 useless extension candidates. Maximal degree in co-relation 2483. Up to 1413 conditions per place. [2022-12-12 12:15:33,592 INFO L137 encePairwiseOnDemand]: 841/856 looper letters, 0 selfloop transitions, 0 changer transitions 1014/1014 dead transitions. [2022-12-12 12:15:33,593 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 797 places, 1014 transitions, 3533 flow [2022-12-12 12:15:33,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-12 12:15:33,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-12 12:15:33,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 14924 transitions. [2022-12-12 12:15:33,619 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8717289719626168 [2022-12-12 12:15:33,621 INFO L295 CegarLoopForPetriNet]: 782 programPoint places, 15 predicate places. [2022-12-12 12:15:33,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 797 places, 1014 transitions, 3533 flow [2022-12-12 12:15:33,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 794 places, 1014 transitions, 3147 flow, removed 185 selfloop flow, removed 3 redundant places. [2022-12-12 12:15:33,640 INFO L495 AbstractCegarLoop]: Abstraction has has 794 places, 1014 transitions, 3147 flow [2022-12-12 12:15:33,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 742.4545454545455) internal successors, (8167), 11 states have internal predecessors, (8167), 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) [2022-12-12 12:15:33,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-12-12 12:15:33,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2022-12-12 12:15:33,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-12 12:15:33,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-12-12 12:15:33,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2022-12-12 12:15:33,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-12-12 12:15:33,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-12-12 12:15:33,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-12 12:15:33,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:15:33,864 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-12 12:15:33,868 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 12:15:33,869 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 12:15:33,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 12:15:33 BasicIcfg [2022-12-12 12:15:33,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 12:15:33,889 INFO L158 Benchmark]: Toolchain (without parser) took 32569.02ms. Allocated memory was 183.5MB in the beginning and 618.7MB in the end (delta: 435.2MB). Free memory was 147.9MB in the beginning and 397.4MB in the end (delta: -249.5MB). Peak memory consumption was 185.5MB. Max. memory is 8.0GB. [2022-12-12 12:15:33,889 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 183.5MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 12:15:33,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 11316.79ms. Allocated memory was 183.5MB in the beginning and 295.7MB in the end (delta: 112.2MB). Free memory was 147.5MB in the beginning and 152.9MB in the end (delta: -5.4MB). Peak memory consumption was 112.6MB. Max. memory is 8.0GB. [2022-12-12 12:15:33,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 314.65ms. Allocated memory is still 295.7MB. Free memory was 152.9MB in the beginning and 141.4MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-12 12:15:33,894 INFO L158 Benchmark]: Boogie Preprocessor took 121.49ms. Allocated memory is still 295.7MB. Free memory was 141.4MB in the beginning and 135.6MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-12 12:15:33,895 INFO L158 Benchmark]: RCFGBuilder took 2084.02ms. Allocated memory is still 295.7MB. Free memory was 135.6MB in the beginning and 171.4MB in the end (delta: -35.8MB). Peak memory consumption was 4.6MB. Max. memory is 8.0GB. [2022-12-12 12:15:33,895 INFO L158 Benchmark]: TraceAbstraction took 18723.78ms. Allocated memory was 295.7MB in the beginning and 618.7MB in the end (delta: 323.0MB). Free memory was 170.4MB in the beginning and 397.4MB in the end (delta: -227.0MB). Peak memory consumption was 95.6MB. Max. memory is 8.0GB. [2022-12-12 12:15:33,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 183.5MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 11316.79ms. Allocated memory was 183.5MB in the beginning and 295.7MB in the end (delta: 112.2MB). Free memory was 147.5MB in the beginning and 152.9MB in the end (delta: -5.4MB). Peak memory consumption was 112.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 314.65ms. Allocated memory is still 295.7MB. Free memory was 152.9MB in the beginning and 141.4MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 121.49ms. Allocated memory is still 295.7MB. Free memory was 141.4MB in the beginning and 135.6MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 2084.02ms. Allocated memory is still 295.7MB. Free memory was 135.6MB in the beginning and 171.4MB in the end (delta: -35.8MB). Peak memory consumption was 4.6MB. Max. memory is 8.0GB. * TraceAbstraction took 18723.78ms. Allocated memory was 295.7MB in the beginning and 618.7MB in the end (delta: 323.0MB). Free memory was 170.4MB in the beginning and 397.4MB in the end (delta: -227.0MB). Peak memory consumption was 95.6MB. 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 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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, 1005 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.2s, RemoveRedundantFlowTime: 0.1s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 451 mSDsluCounter, 1038 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 849 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 832 IncrementalHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 189 mSDtfsCounter, 832 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 679 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3147occurred in iteration=5, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 633 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1934 NumberOfCodeBlocks, 1934 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1927 ConstructedInterpolants, 0 QuantifiedInterpolants, 2344 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2113 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 2/4 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-12 12:15:33,919 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...