/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-SemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 21:53:40,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 21:53:40,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 21:53:40,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 21:53:40,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 21:53:40,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 21:53:40,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 21:53:40,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 21:53:40,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 21:53:40,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 21:53:40,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 21:53:40,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 21:53:40,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 21:53:40,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 21:53:40,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 21:53:40,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 21:53:40,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 21:53:40,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 21:53:40,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 21:53:40,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 21:53:40,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 21:53:40,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 21:53:40,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 21:53:40,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 21:53:40,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 21:53:40,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 21:53:40,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 21:53:40,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 21:53:40,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 21:53:40,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 21:53:40,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 21:53:40,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 21:53:40,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 21:53:40,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 21:53:40,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 21:53:40,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 21:53:40,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 21:53:40,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 21:53:40,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 21:53:40,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 21:53:40,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 21:53:40,683 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-SemanticLbe.epf [2022-12-12 21:53:40,706 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 21:53:40,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 21:53:40,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 21:53:40,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 21:53:40,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 21:53:40,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 21:53:40,708 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 21:53:40,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 21:53:40,709 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 21:53:40,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 21:53:40,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 21:53:40,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 21:53:40,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 21:53:40,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 21:53:40,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 21:53:40,721 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 21:53:40,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 21:53:40,721 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 21:53:40,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 21:53:40,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 21:53:40,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 21:53:40,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 21:53:40,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 21:53:40,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 21:53:40,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 21:53:40,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 21:53:40,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 21:53:40,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 21:53:40,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 21:53:40,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 21:53:40,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-12 21:53:40,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 21:53:41,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 21:53:41,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 21:53:41,004 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 21:53:41,005 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 21:53:41,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-12 21:53:41,956 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 21:53:42,317 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 21:53:42,317 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-12 21:53:42,350 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57d2e583/4268d747e4d74e188f8361e685f943a0/FLAG9b968e87a [2022-12-12 21:53:42,365 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57d2e583/4268d747e4d74e188f8361e685f943a0 [2022-12-12 21:53:42,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 21:53:42,368 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 21:53:42,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 21:53:42,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 21:53:42,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 21:53:42,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 09:53:42" (1/1) ... [2022-12-12 21:53:42,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d27ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:42, skipping insertion in model container [2022-12-12 21:53:42,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 09:53:42" (1/1) ... [2022-12-12 21:53:42,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 21:53:42,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 21:53:42,690 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_get_pc8736x_gpio_set.i[5469,5482] [2022-12-12 21:53:42,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:42,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:42,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:42,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:42,915 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:42,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:42,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:42,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:42,924 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:42,924 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:42,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:42,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:42,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:42,931 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:42,934 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:42,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:42,942 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 21:53:42,946 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:53:42,952 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:53:42,962 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:53:43,048 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:53:43,053 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:53:43,129 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 21:53:43,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:43,183 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:43,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:43,186 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:43,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:43,188 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:43,315 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 21:53:43,317 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 21:53:43,320 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 21:53:43,376 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 21:53:43,377 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:53:43,379 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 21:53:43,379 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:53:43,489 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 21:53:43,808 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:53:43,814 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:53:43,853 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 21:53:43,857 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 21:53:44,040 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 21:53:44,181 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 21:53:44,186 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 21:53:44,293 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 21:53:44,406 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 21:53:44,406 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 21:53:44,407 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 21:53:45,237 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 21:53:45,237 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:53:45,242 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:53:45,245 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:53:45,254 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:53:45,695 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 21:53:45,695 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 21:53:45,716 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 21:53:45,717 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 21:53:45,718 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 21:53:45,719 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 21:53:45,719 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 21:53:45,719 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 21:53:45,722 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 21:53:45,723 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 21:53:45,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 21:53:45,762 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 21:53:45,784 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_get_pc8736x_gpio_set.i[5469,5482] [2022-12-12 21:53:45,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,789 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,791 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,791 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 21:53:45,792 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:53:45,792 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:53:45,792 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 21:53:45,802 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:53:45,803 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 21:53:45,807 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 21:53:45,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,814 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,815 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 21:53:45,816 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 21:53:45,827 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 21:53:45,827 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 21:53:45,827 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 21:53:45,829 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 21:53:45,829 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:53:45,830 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 21:53:45,830 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 21:53:45,837 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 21:53:45,847 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:53:45,849 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 21:53:45,850 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 21:53:45,851 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 21:53:45,857 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 21:53:45,861 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 21:53:45,861 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 21:53:45,865 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 21:53:45,869 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 21:53:45,869 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 21:53:45,869 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 21:53:45,922 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 21:53:45,923 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:53:45,926 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:53:45,929 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:53:45,931 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 21:53:45,964 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 21:53:45,965 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 21:53:45,968 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 21:53:45,969 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 21:53:45,970 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 21:53:45,971 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 21:53:45,971 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 21:53:45,971 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 21:53:45,972 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 21:53:45,972 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 21:53:45,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 21:53:46,357 INFO L208 MainTranslator]: Completed translation [2022-12-12 21:53:46,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46 WrapperNode [2022-12-12 21:53:46,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 21:53:46,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 21:53:46,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 21:53:46,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 21:53:46,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,503 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 721 [2022-12-12 21:53:46,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 21:53:46,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 21:53:46,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 21:53:46,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 21:53:46,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 21:53:46,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 21:53:46,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 21:53:46,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 21:53:46,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (1/1) ... [2022-12-12 21:53:46,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 21:53:46,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 21:53:46,608 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 21:53:46,631 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 21:53:46,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 21:53:46,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 21:53:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 21:53:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-12 21:53:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 21:53:46,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 21:53:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-12 21:53:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 21:53:46,644 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-12 21:53:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 21:53:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-12 21:53:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 21:53:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 21:53:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-12 21:53:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-12 21:53:46,644 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-12 21:53:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 21:53:46,646 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 21:53:47,042 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 21:53:47,043 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 21:53:47,659 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 21:53:47,667 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 21:53:47,667 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2022-12-12 21:53:47,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 09:53:47 BoogieIcfgContainer [2022-12-12 21:53:47,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 21:53:47,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 21:53:47,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 21:53:47,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 21:53:47,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 09:53:42" (1/3) ... [2022-12-12 21:53:47,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a909620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 09:53:47, skipping insertion in model container [2022-12-12 21:53:47,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 09:53:46" (2/3) ... [2022-12-12 21:53:47,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a909620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 09:53:47, skipping insertion in model container [2022-12-12 21:53:47,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 09:53:47" (3/3) ... [2022-12-12 21:53:47,674 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2022-12-12 21:53:47,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 21:53:47,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-12 21:53:47,686 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 21:53:47,771 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 21:53:47,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 736 places, 792 transitions, 1600 flow [2022-12-12 21:53:47,992 INFO L130 PetriNetUnfolder]: 63/790 cut-off events. [2022-12-12 21:53:47,993 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 21:53:47,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 790 events. 63/790 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1229 event pairs, 0 based on Foata normal form. 0/725 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-12 21:53:48,000 INFO L82 GeneralOperation]: Start removeDead. Operand has 736 places, 792 transitions, 1600 flow [2022-12-12 21:53:48,006 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 726 places, 782 transitions, 1573 flow [2022-12-12 21:53:48,007 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 21:53:48,023 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 782 transitions, 1573 flow [2022-12-12 21:53:48,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 726 places, 782 transitions, 1573 flow [2022-12-12 21:53:48,127 INFO L130 PetriNetUnfolder]: 63/782 cut-off events. [2022-12-12 21:53:48,128 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-12 21:53:48,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 782 events. 63/782 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1155 event pairs, 0 based on Foata normal form. 0/717 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-12 21:53:48,141 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 782 transitions, 1573 flow [2022-12-12 21:53:48,141 INFO L226 LiptonReduction]: Number of co-enabled transitions 17446 [2022-12-12 21:55:01,379 WARN L233 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 454 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:55:09,584 WARN L233 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 454 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:55:19,623 WARN L233 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:55:27,883 WARN L233 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:55:35,343 WARN L233 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:55:42,857 WARN L233 SmtUtils]: Spent 7.51s on a formula simplification that was a NOOP. DAG size: 471 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:56:02,517 WARN L233 SmtUtils]: Spent 18.21s on a formula simplification that was a NOOP. DAG size: 509 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:56:16,653 WARN L233 SmtUtils]: Spent 14.13s on a formula simplification that was a NOOP. DAG size: 489 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:56:34,566 WARN L233 SmtUtils]: Spent 17.91s on a formula simplification that was a NOOP. DAG size: 509 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:56:44,369 WARN L233 SmtUtils]: Spent 9.80s on a formula simplification that was a NOOP. DAG size: 489 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:59:02,087 WARN L233 SmtUtils]: Spent 2.26m on a formula simplification. DAG size of input: 627 DAG size of output: 625 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 21:59:34,436 WARN L233 SmtUtils]: Spent 32.34s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 22:02:11,052 WARN L233 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 627 DAG size of output: 625 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 22:03:06,601 WARN L233 SmtUtils]: Spent 55.53s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-12 22:03:50,105 INFO L241 LiptonReduction]: Total number of compositions: 728 [2022-12-12 22:03:50,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 22:03:50,118 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;@717ee3fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 22:03:50,118 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-12 22:03:50,131 INFO L130 PetriNetUnfolder]: 2/6 cut-off events. [2022-12-12 22:03:50,131 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 22:03:50,131 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:03:50,132 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-12 22:03:50,132 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 22:03:50,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:03:50,135 INFO L85 PathProgramCache]: Analyzing trace with hash 3008301, now seen corresponding path program 1 times [2022-12-12 22:03:50,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:03:50,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471174783] [2022-12-12 22:03:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:03:50,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:03:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:03:50,536 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 22:03:50,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 22:03:50,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471174783] [2022-12-12 22:03:50,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471174783] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 22:03:50,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 22:03:50,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 22:03:50,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335264234] [2022-12-12 22:03:50,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 22:03:50,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-12 22:03:50,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 22:03:50,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-12 22:03:50,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-12 22:03:50,564 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 107 [2022-12-12 22:03:50,565 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 107 transitions, 223 flow. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 22:03:50,565 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 22:03:50,565 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 107 [2022-12-12 22:03:50,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 22:03:51,247 INFO L130 PetriNetUnfolder]: 2266/3809 cut-off events. [2022-12-12 22:03:51,247 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2022-12-12 22:03:51,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7686 conditions, 3809 events. 2266/3809 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 23130 event pairs, 2256 based on Foata normal form. 0/1763 useless extension candidates. Maximal degree in co-relation 7179. Up to 3803 conditions per place. [2022-12-12 22:03:51,259 INFO L137 encePairwiseOnDemand]: 93/107 looper letters, 87 selfloop transitions, 0 changer transitions 3/93 dead transitions. [2022-12-12 22:03:51,259 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 93 transitions, 375 flow [2022-12-12 22:03:51,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-12 22:03:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-12 22:03:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 110 transitions. [2022-12-12 22:03:51,268 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.514018691588785 [2022-12-12 22:03:51,271 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, 0 predicate places. [2022-12-12 22:03:51,271 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 93 transitions, 375 flow [2022-12-12 22:03:51,281 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 90 transitions, 360 flow [2022-12-12 22:03:51,283 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 90 transitions, 360 flow [2022-12-12 22:03:51,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 22:03:51,283 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:03:51,283 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 22:03:51,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 22:03:51,283 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 22:03:51,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:03:51,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2147063261, now seen corresponding path program 1 times [2022-12-12 22:03:51,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:03:51,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307248384] [2022-12-12 22:03:51,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:03:51,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:03:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:03:52,014 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 22:03:52,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 22:03:52,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307248384] [2022-12-12 22:03:52,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307248384] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 22:03:52,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 22:03:52,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 22:03:52,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947579033] [2022-12-12 22:03:52,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 22:03:52,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 22:03:52,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 22:03:52,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 22:03:52,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 22:03:52,022 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 107 [2022-12-12 22:03:52,023 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 90 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 22:03:52,023 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 22:03:52,023 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 107 [2022-12-12 22:03:52,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 22:03:53,056 INFO L130 PetriNetUnfolder]: 1909/3193 cut-off events. [2022-12-12 22:03:53,057 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-12 22:03:53,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9588 conditions, 3193 events. 1909/3193 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 18915 event pairs, 1899 based on Foata normal form. 0/1599 useless extension candidates. Maximal degree in co-relation 9509. Up to 3187 conditions per place. [2022-12-12 22:03:53,070 INFO L137 encePairwiseOnDemand]: 103/107 looper letters, 86 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2022-12-12 22:03:53,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 91 transitions, 540 flow [2022-12-12 22:03:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 22:03:53,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 22:03:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2022-12-12 22:03:53,072 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.308411214953271 [2022-12-12 22:03:53,072 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, -1 predicate places. [2022-12-12 22:03:53,072 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 91 transitions, 540 flow [2022-12-12 22:03:53,085 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 91 transitions, 540 flow [2022-12-12 22:03:53,085 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 91 transitions, 540 flow [2022-12-12 22:03:53,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 22:03:53,085 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:03:53,085 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 22:03:53,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 22:03:53,086 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 22:03:53,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:03:53,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1806970125, now seen corresponding path program 1 times [2022-12-12 22:03:53,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:03:53,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780545621] [2022-12-12 22:03:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:03:53,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:03:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:03:53,508 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 22:03:53,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 22:03:53,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780545621] [2022-12-12 22:03:53,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780545621] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 22:03:53,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804796501] [2022-12-12 22:03:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:03:53,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 22:03:53,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 22:03:53,511 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 22:03:53,518 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 22:03:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:03:54,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-12 22:03:54,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 22:03:54,738 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-12 22:03:54,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2022-12-12 22:03:54,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-12 22:03:54,768 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 22:03:54,778 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 22:03:54,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 22:03:54,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804796501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 22:03:54,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 22:03:54,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2022-12-12 22:03:54,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218709605] [2022-12-12 22:03:54,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 22:03:54,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 22:03:54,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 22:03:54,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 22:03:54,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-12 22:03:54,782 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 107 [2022-12-12 22:03:54,782 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 91 transitions, 540 flow. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 22:03:54,783 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 22:03:54,783 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 107 [2022-12-12 22:03:54,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 22:03:55,987 INFO L130 PetriNetUnfolder]: 2004/3440 cut-off events. [2022-12-12 22:03:55,987 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-12 22:03:55,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13759 conditions, 3440 events. 2004/3440 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 21448 event pairs, 1481 based on Foata normal form. 158/1812 useless extension candidates. Maximal degree in co-relation 13655. Up to 3432 conditions per place. [2022-12-12 22:03:55,997 INFO L137 encePairwiseOnDemand]: 103/107 looper letters, 82 selfloop transitions, 3 changer transitions 118/205 dead transitions. [2022-12-12 22:03:55,997 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 205 transitions, 1634 flow [2022-12-12 22:03:55,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-12 22:03:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-12 22:03:56,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 214 transitions. [2022-12-12 22:03:56,001 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-12 22:03:56,002 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, 2 predicate places. [2022-12-12 22:03:56,002 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 205 transitions, 1634 flow [2022-12-12 22:03:56,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 87 transitions, 690 flow [2022-12-12 22:03:56,007 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 87 transitions, 690 flow [2022-12-12 22:03:56,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 22:03:56,007 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 22:03:56,007 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 22:03:56,022 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 22:03:56,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 22:03:56,217 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 22:03:56,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 22:03:56,217 INFO L85 PathProgramCache]: Analyzing trace with hash 181513466, now seen corresponding path program 1 times [2022-12-12 22:03:56,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 22:03:56,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763309047] [2022-12-12 22:03:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:03:56,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 22:03:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:03:56,779 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 22:03:56,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 22:03:56,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763309047] [2022-12-12 22:03:56,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763309047] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 22:03:56,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555580737] [2022-12-12 22:03:56,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 22:03:56,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 22:03:56,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 22:03:56,781 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 22:03:56,806 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 22:03:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 22:03:57,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 231 conjunts are in the unsatisfiable core [2022-12-12 22:03:57,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 22:03:57,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:57,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:57,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:57,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:57,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:57,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:57,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:57,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:03:58,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 22:04:04,711 WARN L233 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 1230 DAG size of output: 311 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-12 22:04:04,717 INFO L321 Elim1Store]: treesize reduction 9072, result has 7.2 percent of original size [2022-12-12 22:04:04,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 11 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 94 case distinctions, treesize of input 87462271 treesize of output 87200741 Received shutdown request... [2022-12-12 22:07:55,995 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-12-12 22:07:55,996 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-12 22:07:56,003 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-12 22:07:56,003 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-12 22:07:56,006 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 22:07:56,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-12 22:07:56,206 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-12-12 22:07:56,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-12 22:07:56,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-12 22:07:56,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-12 22:07:56,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-12 22:07:56,208 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-12 22:07:56,211 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 22:07:56,211 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 22:07:56,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 10:07:56 BasicIcfg [2022-12-12 22:07:56,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 22:07:56,214 INFO L158 Benchmark]: Toolchain (without parser) took 853845.47ms. Allocated memory was 203.4MB in the beginning and 773.8MB in the end (delta: 570.4MB). Free memory was 167.7MB in the beginning and 470.3MB in the end (delta: -302.7MB). Peak memory consumption was 543.1MB. Max. memory is 8.0GB. [2022-12-12 22:07:56,214 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 180.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 22:07:56,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3987.43ms. Allocated memory was 203.4MB in the beginning and 372.2MB in the end (delta: 168.8MB). Free memory was 167.7MB in the beginning and 288.8MB in the end (delta: -121.2MB). Peak memory consumption was 130.7MB. Max. memory is 8.0GB. [2022-12-12 22:07:56,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.72ms. Allocated memory is still 372.2MB. Free memory was 288.8MB in the beginning and 277.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-12 22:07:56,215 INFO L158 Benchmark]: Boogie Preprocessor took 75.84ms. Allocated memory is still 372.2MB. Free memory was 277.3MB in the beginning and 271.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-12 22:07:56,215 INFO L158 Benchmark]: RCFGBuilder took 1088.37ms. Allocated memory is still 372.2MB. Free memory was 271.5MB in the beginning and 207.6MB in the end (delta: 63.9MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2022-12-12 22:07:56,215 INFO L158 Benchmark]: TraceAbstraction took 848542.71ms. Allocated memory was 372.2MB in the beginning and 773.8MB in the end (delta: 401.6MB). Free memory was 206.5MB in the beginning and 470.3MB in the end (delta: -263.8MB). Peak memory consumption was 412.1MB. Max. memory is 8.0GB. [2022-12-12 22:07:56,217 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 203.4MB. Free memory is still 180.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3987.43ms. Allocated memory was 203.4MB in the beginning and 372.2MB in the end (delta: 168.8MB). Free memory was 167.7MB in the beginning and 288.8MB in the end (delta: -121.2MB). Peak memory consumption was 130.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 145.72ms. Allocated memory is still 372.2MB. Free memory was 288.8MB in the beginning and 277.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.84ms. Allocated memory is still 372.2MB. Free memory was 277.3MB in the beginning and 271.5MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1088.37ms. Allocated memory is still 372.2MB. Free memory was 271.5MB in the beginning and 207.6MB in the end (delta: 63.9MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. * TraceAbstraction took 848542.71ms. Allocated memory was 372.2MB in the beginning and 773.8MB in the end (delta: 401.6MB). Free memory was 206.5MB in the beginning and 470.3MB in the end (delta: -263.8MB). Peak memory consumption was 412.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 602.0s, 726 PlacesBefore, 91 PlacesAfterwards, 782 TransitionsBefore, 107 TransitionsAfterwards, 17446 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 156 ConcurrentYvCompositions, 36 ChoiceCompositions, 728 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22108, independent: 22039, independent conditional: 22039, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22108, independent: 22039, independent conditional: 0, independent unconditional: 22039, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22108, independent: 22039, independent conditional: 0, independent unconditional: 22039, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22108, independent: 22039, independent conditional: 0, independent unconditional: 22039, dependent: 69, dependent conditional: 0, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15234, independent: 15201, independent conditional: 0, independent unconditional: 15201, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15234, independent: 15201, independent conditional: 0, independent unconditional: 15201, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 111, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 111, dependent conditional: 0, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22108, independent: 6838, independent conditional: 0, independent unconditional: 6838, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 15234, unknown conditional: 0, unknown unconditional: 15234] , Statistics on independence cache: Total cache size (in pairs): 46680, Positive cache size: 46647, Positive conditional cache size: 0, Positive unconditional cache size: 46647, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 7069]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 7068]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 13 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-126-14-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-2-2-2-2-4-2-5-2-6-2-6-2-5-2-4-2-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 893 locations, 5 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: 848.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 602.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 608 IncrementalHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 608 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=690occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 959 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1096 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown