/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:48:42,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:48:42,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:48:42,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:48:42,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:48:42,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:48:42,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:48:42,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:48:42,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:48:42,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:48:42,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:48:42,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:48:42,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:48:42,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:48:42,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:48:42,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:48:42,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:48:42,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:48:42,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:48:42,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:48:42,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:48:42,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:48:42,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:48:42,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:48:42,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:48:42,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:48:42,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:48:42,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:48:42,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:48:42,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:48:42,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:48:42,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:48:42,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:48:42,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:48:42,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:48:42,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:48:42,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:48:42,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:48:42,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:48:42,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:48:42,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:48:42,849 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 [2022-12-06 16:48:42,886 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:48:42,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:48:42,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:48:42,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:48:42,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:48:42,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:48:42,889 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:48:42,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:48:42,889 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:48:42,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:48:42,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:48:42,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:48:42,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:48:42,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:48:42,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:48:42,891 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:48:42,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:48:42,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:48:42,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:48:42,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:48:42,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:48:42,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:48:42,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:48:42,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:48:42,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:48:42,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:48:42,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:48:42,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:48:42,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:48:42,892 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:48:42,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:48:42,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:48:43,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:48:43,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:48:43,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:48:43,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:48:43,211 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:48:43,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2022-12-06 16:48:44,259 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:48:44,677 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:48:44,678 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2022-12-06 16:48:44,724 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3debcaef9/9cbed6eab0f74c5fb69f2aab8fed6048/FLAG04681f4c7 [2022-12-06 16:48:44,739 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3debcaef9/9cbed6eab0f74c5fb69f2aab8fed6048 [2022-12-06 16:48:44,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:48:44,742 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:48:44,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:48:44,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:48:44,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:48:44,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:44" (1/1) ... [2022-12-06 16:48:44,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3022ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:44, skipping insertion in model container [2022-12-06 16:48:44,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:44" (1/1) ... [2022-12-06 16:48:44,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:48:44,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:48:45,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i[5469,5482] [2022-12-06 16:48:45,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,449 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,450 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,461 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,466 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,467 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,471 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,491 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 16:48:45,496 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:48:45,501 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:48:45,510 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:48:45,645 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:48:45,651 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:48:45,768 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 16:48:45,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,873 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:45,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:45,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:46,141 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 16:48:46,145 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 16:48:46,151 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 16:48:46,291 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 16:48:46,292 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:48:46,297 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 16:48:46,298 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:48:46,488 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 16:48:46,871 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:48:46,880 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:48:46,947 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 16:48:46,951 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 16:48:47,246 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 16:48:47,476 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 16:48:47,481 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 16:48:47,638 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 16:48:47,803 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 16:48:47,803 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 16:48:47,803 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 16:48:49,281 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 16:48:49,281 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:48:49,285 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:48:49,290 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:48:49,293 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:48:49,868 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:48:49,868 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:48:49,894 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 16:48:49,895 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 16:48:49,896 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 16:48:49,897 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:48:49,897 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 16:48:49,897 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 16:48:49,901 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:48:49,901 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 16:48:49,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:48:49,960 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:48:49,985 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i[5469,5482] [2022-12-06 16:48:50,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,010 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,011 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,013 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 16:48:50,013 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:48:50,013 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:48:50,014 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:48:50,018 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:48:50,019 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:48:50,021 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 16:48:50,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:48:50,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:48:50,041 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 16:48:50,042 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 16:48:50,043 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 16:48:50,046 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 16:48:50,046 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:48:50,046 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 16:48:50,046 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:48:50,055 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 16:48:50,067 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:48:50,069 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:48:50,071 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 16:48:50,071 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 16:48:50,078 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 16:48:50,082 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 16:48:50,083 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 16:48:50,087 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 16:48:50,092 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 16:48:50,092 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 16:48:50,093 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 16:48:50,164 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 16:48:50,165 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:48:50,167 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:48:50,173 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:48:50,177 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:48:50,217 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:48:50,218 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:48:50,222 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 16:48:50,222 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 16:48:50,223 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 16:48:50,224 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:48:50,224 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 16:48:50,225 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 16:48:50,225 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:48:50,226 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 16:48:50,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:48:50,843 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:48:50,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50 WrapperNode [2022-12-06 16:48:50,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:48:50,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:48:50,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:48:50,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:48:50,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:50,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,021 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 758 [2022-12-06 16:48:51,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:48:51,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:48:51,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:48:51,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:48:51,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:48:51,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:48:51,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:48:51,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:48:51,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (1/1) ... [2022-12-06 16:48:51,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:48:51,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:48:51,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 16:48:51,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 16:48:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 16:48:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 16:48:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:48:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 16:48:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-06 16:48:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-06 16:48:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:48:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:48:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 16:48:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:48:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-06 16:48:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:48:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-06 16:48:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-06 16:48:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 16:48:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:48:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 16:48:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 16:48:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:48:51,216 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 16:48:51,690 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:48:51,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:48:52,333 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:48:52,365 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:48:52,365 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2022-12-06 16:48:52,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:52 BoogieIcfgContainer [2022-12-06 16:48:52,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:48:52,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:48:52,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:48:52,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:48:52,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:48:44" (1/3) ... [2022-12-06 16:48:52,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b98f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:48:52, skipping insertion in model container [2022-12-06 16:48:52,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:50" (2/3) ... [2022-12-06 16:48:52,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b98f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:48:52, skipping insertion in model container [2022-12-06 16:48:52,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:52" (3/3) ... [2022-12-06 16:48:52,375 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2022-12-06 16:48:52,388 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:48:52,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 16:48:52,389 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:48:52,515 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 16:48:52,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 788 places, 838 transitions, 1692 flow [2022-12-06 16:48:52,788 INFO L130 PetriNetUnfolder]: 57/836 cut-off events. [2022-12-06 16:48:52,788 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 16:48:52,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 836 events. 57/836 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1353 event pairs, 0 based on Foata normal form. 0/777 useless extension candidates. Maximal degree in co-relation 658. Up to 9 conditions per place. [2022-12-06 16:48:52,800 INFO L82 GeneralOperation]: Start removeDead. Operand has 788 places, 838 transitions, 1692 flow [2022-12-06 16:48:52,813 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 778 places, 828 transitions, 1665 flow [2022-12-06 16:48:52,829 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:48:52,836 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;@22910abc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:48:52,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 16:48:52,925 INFO L130 PetriNetUnfolder]: 10/332 cut-off events. [2022-12-06 16:48:52,925 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:48:52,926 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:48:52,927 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:48:52,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:48:52,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:48:52,931 INFO L85 PathProgramCache]: Analyzing trace with hash -566504468, now seen corresponding path program 1 times [2022-12-06 16:48:52,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:48:52,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951486897] [2022-12-06 16:48:52,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:48:52,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:48:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:48:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:48:53,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:48:53,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951486897] [2022-12-06 16:48:53,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951486897] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:48:53,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:48:53,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-06 16:48:53,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349341315] [2022-12-06 16:48:53,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:48:53,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 16:48:53,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:48:53,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 16:48:53,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-06 16:48:53,907 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 777 out of 838 [2022-12-06 16:48:53,920 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 778 places, 828 transitions, 1665 flow. Second operand has 9 states, 9 states have (on average 779.0) internal successors, (7011), 9 states have internal predecessors, (7011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:53,921 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:48:53,921 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 777 of 838 [2022-12-06 16:48:53,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:48:54,328 INFO L130 PetriNetUnfolder]: 45/947 cut-off events. [2022-12-06 16:48:54,329 INFO L131 PetriNetUnfolder]: For 8/9 co-relation queries the response was YES. [2022-12-06 16:48:54,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 947 events. 45/947 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1928 event pairs, 1 based on Foata normal form. 15/914 useless extension candidates. Maximal degree in co-relation 662. Up to 15 conditions per place. [2022-12-06 16:48:54,339 INFO L137 encePairwiseOnDemand]: 799/838 looper letters, 19 selfloop transitions, 16 changer transitions 3/800 dead transitions. [2022-12-06 16:48:54,339 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 788 places, 800 transitions, 1679 flow [2022-12-06 16:48:54,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-06 16:48:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-06 16:48:54,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 12490 transitions. [2022-12-06 16:48:54,380 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9315334128878282 [2022-12-06 16:48:54,383 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 10 predicate places. [2022-12-06 16:48:54,383 INFO L495 AbstractCegarLoop]: Abstraction has has 788 places, 800 transitions, 1679 flow [2022-12-06 16:48:54,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 779.0) internal successors, (7011), 9 states have internal predecessors, (7011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:54,387 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:48:54,388 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:48:54,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:48:54,388 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:48:54,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:48:54,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1259831483, now seen corresponding path program 1 times [2022-12-06 16:48:54,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:48:54,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14952854] [2022-12-06 16:48:54,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:48:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:48:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:48:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:48:55,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:48:55,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14952854] [2022-12-06 16:48:55,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14952854] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:48:55,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:48:55,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:48:55,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523366663] [2022-12-06 16:48:55,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:48:55,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:48:55,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:48:55,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:48:55,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:48:55,166 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 769 out of 838 [2022-12-06 16:48:55,171 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 788 places, 800 transitions, 1679 flow. Second operand has 6 states, 6 states have (on average 773.6666666666666) internal successors, (4642), 6 states have internal predecessors, (4642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:55,172 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:48:55,172 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 769 of 838 [2022-12-06 16:48:55,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:48:55,655 INFO L130 PetriNetUnfolder]: 80/1465 cut-off events. [2022-12-06 16:48:55,655 INFO L131 PetriNetUnfolder]: For 58/78 co-relation queries the response was YES. [2022-12-06 16:48:55,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 1465 events. 80/1465 cut-off events. For 58/78 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 4962 event pairs, 4 based on Foata normal form. 0/1383 useless extension candidates. Maximal degree in co-relation 918. Up to 37 conditions per place. [2022-12-06 16:48:55,665 INFO L137 encePairwiseOnDemand]: 828/838 looper letters, 48 selfloop transitions, 9 changer transitions 3/813 dead transitions. [2022-12-06 16:48:55,665 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 793 places, 813 transitions, 1846 flow [2022-12-06 16:48:55,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 16:48:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 16:48:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 6210 transitions. [2022-12-06 16:48:55,680 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9263126491646778 [2022-12-06 16:48:55,683 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 15 predicate places. [2022-12-06 16:48:55,684 INFO L495 AbstractCegarLoop]: Abstraction has has 793 places, 813 transitions, 1846 flow [2022-12-06 16:48:55,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 773.6666666666666) internal successors, (4642), 6 states have internal predecessors, (4642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:55,687 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:48:55,688 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:48:55,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 16:48:55,688 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:48:55,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:48:55,689 INFO L85 PathProgramCache]: Analyzing trace with hash -675145419, now seen corresponding path program 1 times [2022-12-06 16:48:55,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:48:55,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640338302] [2022-12-06 16:48:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:48:55,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:48:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:48:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:48:56,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:48:56,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640338302] [2022-12-06 16:48:56,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640338302] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:48:56,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:48:56,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 16:48:56,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19980881] [2022-12-06 16:48:56,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:48:56,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 16:48:56,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:48:56,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 16:48:56,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 16:48:56,300 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 789 out of 838 [2022-12-06 16:48:56,305 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 793 places, 813 transitions, 1846 flow. Second operand has 5 states, 5 states have (on average 790.4) internal successors, (3952), 5 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:56,305 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:48:56,305 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 789 of 838 [2022-12-06 16:48:56,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:48:56,728 INFO L130 PetriNetUnfolder]: 108/1882 cut-off events. [2022-12-06 16:48:56,728 INFO L131 PetriNetUnfolder]: For 158/212 co-relation queries the response was YES. [2022-12-06 16:48:56,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2098 conditions, 1882 events. 108/1882 cut-off events. For 158/212 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 6545 event pairs, 6 based on Foata normal form. 0/1771 useless extension candidates. Maximal degree in co-relation 1057. Up to 38 conditions per place. [2022-12-06 16:48:56,744 INFO L137 encePairwiseOnDemand]: 831/838 looper letters, 31 selfloop transitions, 6 changer transitions 3/821 dead transitions. [2022-12-06 16:48:56,744 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 798 places, 821 transitions, 1965 flow [2022-12-06 16:48:56,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 16:48:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 16:48:56,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4767 transitions. [2022-12-06 16:48:56,753 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.948090692124105 [2022-12-06 16:48:56,755 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 20 predicate places. [2022-12-06 16:48:56,755 INFO L495 AbstractCegarLoop]: Abstraction has has 798 places, 821 transitions, 1965 flow [2022-12-06 16:48:56,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 790.4) internal successors, (3952), 5 states have internal predecessors, (3952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:56,757 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:48:56,758 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:48:56,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 16:48:56,758 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:48:56,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:48:56,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1420303379, now seen corresponding path program 1 times [2022-12-06 16:48:56,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:48:56,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698709058] [2022-12-06 16:48:56,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:48:56,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:48:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:48:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:48:57,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:48:57,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698709058] [2022-12-06 16:48:57,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698709058] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:48:57,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437590572] [2022-12-06 16:48:57,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:48:57,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:48:57,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:48:57,358 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) [2022-12-06 16:48:57,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-06 16:48:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:48:57,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-06 16:48:57,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:48:57,926 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 [2022-12-06 16:48:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:48:57,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:48:57,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437590572] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:48:57,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:48:57,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-12-06 16:48:57,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115603737] [2022-12-06 16:48:57,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:48:57,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:48:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:48:57,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:48:57,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-12-06 16:48:57,973 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 757 out of 838 [2022-12-06 16:48:57,979 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 798 places, 821 transitions, 1965 flow. Second operand has 7 states, 7 states have (on average 762.0) internal successors, (5334), 7 states have internal predecessors, (5334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:48:57,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:48:57,979 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 757 of 838 [2022-12-06 16:48:57,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:49:01,593 INFO L130 PetriNetUnfolder]: 1922/16332 cut-off events. [2022-12-06 16:49:01,593 INFO L131 PetriNetUnfolder]: For 3137/3450 co-relation queries the response was YES. [2022-12-06 16:49:01,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20121 conditions, 16332 events. 1922/16332 cut-off events. For 3137/3450 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 153765 event pairs, 251 based on Foata normal form. 2/15008 useless extension candidates. Maximal degree in co-relation 6187. Up to 885 conditions per place. [2022-12-06 16:49:01,708 INFO L137 encePairwiseOnDemand]: 827/838 looper letters, 155 selfloop transitions, 59 changer transitions 1/963 dead transitions. [2022-12-06 16:49:01,708 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 810 places, 963 transitions, 3298 flow [2022-12-06 16:49:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:49:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:49:01,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 9975 transitions. [2022-12-06 16:49:01,727 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9156416375986782 [2022-12-06 16:49:01,729 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 32 predicate places. [2022-12-06 16:49:01,729 INFO L495 AbstractCegarLoop]: Abstraction has has 810 places, 963 transitions, 3298 flow [2022-12-06 16:49:01,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 762.0) internal successors, (5334), 7 states have internal predecessors, (5334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:01,732 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:49:01,732 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:49:01,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-06 16:49:01,940 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 [2022-12-06 16:49:01,941 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:49:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:49:01,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1743627273, now seen corresponding path program 1 times [2022-12-06 16:49:01,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:49:01,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412903562] [2022-12-06 16:49:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:49:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:49:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:49:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:49:02,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:49:02,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412903562] [2022-12-06 16:49:02,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412903562] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:49:02,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940350092] [2022-12-06 16:49:02,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:49:02,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:49:02,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:49:02,511 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) [2022-12-06 16:49:02,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-06 16:49:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:49:03,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 85 conjunts are in the unsatisfiable core [2022-12-06 16:49:03,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:49:03,310 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-06 16:49:03,310 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-06 16:49:03,344 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:03,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-06 16:49:03,402 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:49:03,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:49:03,521 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:49:03,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:49:03,589 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:03,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:03,638 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:03,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:03,685 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:03,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:03,740 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:03,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:03,786 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:03,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:03,825 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:03,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:03,873 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:03,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:03,915 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:03,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:04,027 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-06 16:49:04,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 42 [2022-12-06 16:49:04,085 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:04,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:04,132 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:04,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:04,179 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:04,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:04,230 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:04,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:04,272 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:04,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:04,321 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:04,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:04,362 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:49:04,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:49:04,407 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:49:04,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:49:04,580 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-06 16:49:04,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2022-12-06 16:49:04,721 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:49:04,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:49:05,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:49:05,149 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:49:05,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:49:05,172 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-06 16:49:05,172 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-06 16:49:05,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:49:05,323 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 [2022-12-06 16:49:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:49:05,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:49:05,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940350092] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:49:05,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:49:05,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2022-12-06 16:49:05,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491661399] [2022-12-06 16:49:05,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:49:05,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-06 16:49:05,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:49:05,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-06 16:49:05,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2022-12-06 16:49:05,376 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 699 out of 838 [2022-12-06 16:49:05,387 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 810 places, 963 transitions, 3298 flow. Second operand has 16 states, 16 states have (on average 704.25) internal successors, (11268), 16 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:05,387 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:49:05,388 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 699 of 838 [2022-12-06 16:49:05,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:49:11,193 INFO L130 PetriNetUnfolder]: 2652/25099 cut-off events. [2022-12-06 16:49:11,193 INFO L131 PetriNetUnfolder]: For 4952/12754 co-relation queries the response was YES. [2022-12-06 16:49:11,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31374 conditions, 25099 events. 2652/25099 cut-off events. For 4952/12754 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 266507 event pairs, 187 based on Foata normal form. 352/23501 useless extension candidates. Maximal degree in co-relation 9410. Up to 1098 conditions per place. [2022-12-06 16:49:11,316 INFO L137 encePairwiseOnDemand]: 819/838 looper letters, 221 selfloop transitions, 80 changer transitions 73/1070 dead transitions. [2022-12-06 16:49:11,316 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 829 places, 1070 transitions, 4886 flow [2022-12-06 16:49:11,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-06 16:49:11,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-06 16:49:11,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 14159 transitions. [2022-12-06 16:49:11,340 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8448090692124105 [2022-12-06 16:49:11,342 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 51 predicate places. [2022-12-06 16:49:11,342 INFO L495 AbstractCegarLoop]: Abstraction has has 829 places, 1070 transitions, 4886 flow [2022-12-06 16:49:11,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 704.25) internal successors, (11268), 16 states have internal predecessors, (11268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:11,349 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:49:11,349 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:49:11,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-06 16:49:11,558 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 [2022-12-06 16:49:11,558 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:49:11,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:49:11,559 INFO L85 PathProgramCache]: Analyzing trace with hash 153509591, now seen corresponding path program 1 times [2022-12-06 16:49:11,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:49:11,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453946728] [2022-12-06 16:49:11,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:49:11,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:49:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:49:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:49:12,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:49:12,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453946728] [2022-12-06 16:49:12,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453946728] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:49:12,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746194197] [2022-12-06 16:49:12,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:49:12,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:49:12,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:49:12,012 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:49:12,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-06 16:49:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:49:12,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-06 16:49:12,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:49:13,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:49:13,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:49:13,365 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 [2022-12-06 16:49:13,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:49:13,401 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:49:13,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746194197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:49:13,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:49:13,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-06 16:49:13,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347154807] [2022-12-06 16:49:13,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:49:13,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:49:13,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:49:13,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:49:13,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-12-06 16:49:13,409 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-06 16:49:13,422 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 829 places, 1070 transitions, 4886 flow. Second operand has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:13,422 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:49:13,422 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-06 16:49:13,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:49:21,527 INFO L130 PetriNetUnfolder]: 5940/43129 cut-off events. [2022-12-06 16:49:21,528 INFO L131 PetriNetUnfolder]: For 11157/11593 co-relation queries the response was YES. [2022-12-06 16:49:21,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60931 conditions, 43129 events. 5940/43129 cut-off events. For 11157/11593 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 503258 event pairs, 706 based on Foata normal form. 32/40001 useless extension candidates. Maximal degree in co-relation 18528. Up to 2250 conditions per place. [2022-12-06 16:49:21,727 INFO L137 encePairwiseOnDemand]: 823/838 looper letters, 306 selfloop transitions, 117 changer transitions 101/1267 dead transitions. [2022-12-06 16:49:21,727 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 855 places, 1267 transitions, 7149 flow [2022-12-06 16:49:21,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-06 16:49:21,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2022-12-06 16:49:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 20555 transitions. [2022-12-06 16:49:21,753 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9084681340051268 [2022-12-06 16:49:21,754 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 77 predicate places. [2022-12-06 16:49:21,754 INFO L495 AbstractCegarLoop]: Abstraction has has 855 places, 1267 transitions, 7149 flow [2022-12-06 16:49:21,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:21,757 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:49:21,758 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:49:21,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-06 16:49:21,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:49:21,972 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:49:21,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:49:21,972 INFO L85 PathProgramCache]: Analyzing trace with hash 462775899, now seen corresponding path program 2 times [2022-12-06 16:49:21,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:49:21,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137095992] [2022-12-06 16:49:21,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:49:21,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:49:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:49:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:49:22,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:49:22,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137095992] [2022-12-06 16:49:22,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137095992] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:49:22,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776005337] [2022-12-06 16:49:22,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-06 16:49:22,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:49:22,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:49:22,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:49:22,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-06 16:49:22,844 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-06 16:49:22,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 16:49:22,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-06 16:49:22,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:49:23,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:49:23,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:49:23,562 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 [2022-12-06 16:49:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:49:23,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:49:23,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776005337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:49:23,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:49:23,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-06 16:49:23,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712652716] [2022-12-06 16:49:23,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:49:23,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:49:23,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:49:23,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:49:23,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-12-06 16:49:23,616 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-06 16:49:23,623 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 855 places, 1267 transitions, 7149 flow. Second operand has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:23,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:49:23,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-06 16:49:23,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:49:33,027 INFO L130 PetriNetUnfolder]: 6974/51388 cut-off events. [2022-12-06 16:49:33,027 INFO L131 PetriNetUnfolder]: For 18092/25704 co-relation queries the response was YES. [2022-12-06 16:49:33,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79493 conditions, 51388 events. 6974/51388 cut-off events. For 18092/25704 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 623773 event pairs, 149 based on Foata normal form. 382/48018 useless extension candidates. Maximal degree in co-relation 25532. Up to 3282 conditions per place. [2022-12-06 16:49:33,230 INFO L137 encePairwiseOnDemand]: 825/838 looper letters, 317 selfloop transitions, 70 changer transitions 424/1554 dead transitions. [2022-12-06 16:49:33,230 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 871 places, 1554 transitions, 11488 flow [2022-12-06 16:49:33,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-06 16:49:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-06 16:49:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 12942 transitions. [2022-12-06 16:49:33,241 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9084655341850344 [2022-12-06 16:49:33,242 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 93 predicate places. [2022-12-06 16:49:33,242 INFO L495 AbstractCegarLoop]: Abstraction has has 871 places, 1554 transitions, 11488 flow [2022-12-06 16:49:33,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:33,244 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:49:33,245 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:49:33,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-06 16:49:33,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:49:33,452 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:49:33,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:49:33,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1206592115, now seen corresponding path program 3 times [2022-12-06 16:49:33,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:49:33,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136262313] [2022-12-06 16:49:33,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:49:33,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:49:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:49:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:49:33,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:49:33,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136262313] [2022-12-06 16:49:33,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136262313] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:49:33,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897114053] [2022-12-06 16:49:33,854 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-06 16:49:33,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:49:33,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:49:33,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:49:33,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-06 16:49:34,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-06 16:49:34,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 16:49:34,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-06 16:49:34,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:49:35,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:49:35,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:49:35,061 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 [2022-12-06 16:49:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:49:35,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:49:35,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897114053] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:49:35,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:49:35,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-06 16:49:35,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9030927] [2022-12-06 16:49:35,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:49:35,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:49:35,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:49:35,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:49:35,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-12-06 16:49:35,108 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-06 16:49:35,116 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 871 places, 1554 transitions, 11488 flow. Second operand has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:35,117 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:49:35,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-06 16:49:35,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:49:46,684 INFO L130 PetriNetUnfolder]: 8372/60302 cut-off events. [2022-12-06 16:49:46,685 INFO L131 PetriNetUnfolder]: For 27619/59421 co-relation queries the response was YES. [2022-12-06 16:49:46,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102952 conditions, 60302 events. 8372/60302 cut-off events. For 27619/59421 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 755456 event pairs, 126 based on Foata normal form. 1120/57041 useless extension candidates. Maximal degree in co-relation 33813. Up to 4464 conditions per place. [2022-12-06 16:49:46,924 INFO L137 encePairwiseOnDemand]: 823/838 looper letters, 334 selfloop transitions, 136 changer transitions 546/1759 dead transitions. [2022-12-06 16:49:46,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 898 places, 1759 transitions, 15908 flow [2022-12-06 16:49:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-06 16:49:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2022-12-06 16:49:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 21318 transitions. [2022-12-06 16:49:46,946 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9085407432662802 [2022-12-06 16:49:46,947 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 120 predicate places. [2022-12-06 16:49:46,947 INFO L495 AbstractCegarLoop]: Abstraction has has 898 places, 1759 transitions, 15908 flow [2022-12-06 16:49:46,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:46,949 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:49:46,949 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:49:46,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-06 16:49:47,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:49:47,160 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:49:47,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:49:47,160 INFO L85 PathProgramCache]: Analyzing trace with hash 375008643, now seen corresponding path program 4 times [2022-12-06 16:49:47,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:49:47,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086712170] [2022-12-06 16:49:47,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:49:47,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:49:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:49:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:49:47,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:49:47,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086712170] [2022-12-06 16:49:47,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086712170] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:49:47,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572293446] [2022-12-06 16:49:47,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-06 16:49:47,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:49:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:49:47,605 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:49:47,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-06 16:49:48,059 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-06 16:49:48,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 16:49:48,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-06 16:49:48,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:49:48,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:49:48,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:49:48,880 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 [2022-12-06 16:49:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:49:48,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:49:48,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572293446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:49:48,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:49:48,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2022-12-06 16:49:48,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661044694] [2022-12-06 16:49:48,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:49:48,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-06 16:49:48,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:49:48,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-06 16:49:48,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-12-06 16:49:48,937 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 747 out of 838 [2022-12-06 16:49:48,957 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 898 places, 1759 transitions, 15908 flow. Second operand has 14 states, 14 states have (on average 750.2857142857143) internal successors, (10504), 14 states have internal predecessors, (10504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:49:48,957 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:49:48,957 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 747 of 838 [2022-12-06 16:49:48,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:50:03,124 INFO L130 PetriNetUnfolder]: 9337/66509 cut-off events. [2022-12-06 16:50:03,124 INFO L131 PetriNetUnfolder]: For 40305/72533 co-relation queries the response was YES. [2022-12-06 16:50:03,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125299 conditions, 66509 events. 9337/66509 cut-off events. For 40305/72533 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 850509 event pairs, 178 based on Foata normal form. 1380/63034 useless extension candidates. Maximal degree in co-relation 40423. Up to 5757 conditions per place. [2022-12-06 16:50:03,424 INFO L137 encePairwiseOnDemand]: 821/838 looper letters, 457 selfloop transitions, 159 changer transitions 571/1926 dead transitions. [2022-12-06 16:50:03,424 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 918 places, 1926 transitions, 20432 flow [2022-12-06 16:50:03,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-06 16:50:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-12-06 16:50:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 15893 transitions. [2022-12-06 16:50:03,440 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.903113990226162 [2022-12-06 16:50:03,441 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 140 predicate places. [2022-12-06 16:50:03,441 INFO L495 AbstractCegarLoop]: Abstraction has has 918 places, 1926 transitions, 20432 flow [2022-12-06 16:50:03,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 750.2857142857143) internal successors, (10504), 14 states have internal predecessors, (10504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:50:03,444 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:50:03,444 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:50:03,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-06 16:50:03,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:50:03,657 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:50:03,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:50:03,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2059042657, now seen corresponding path program 5 times [2022-12-06 16:50:03,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:50:03,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572330501] [2022-12-06 16:50:03,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:50:03,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:50:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:50:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:50:04,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:50:04,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572330501] [2022-12-06 16:50:04,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572330501] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:50:04,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448678619] [2022-12-06 16:50:04,041 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-06 16:50:04,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:50:04,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:50:04,044 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:50:04,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-06 16:50:04,414 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-06 16:50:04,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 16:50:04,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-06 16:50:04,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:50:05,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:50:05,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:50:05,191 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 [2022-12-06 16:50:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:50:05,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:50:05,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448678619] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:50:05,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:50:05,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-06 16:50:05,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632627263] [2022-12-06 16:50:05,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:50:05,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:50:05,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:50:05,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:50:05,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-12-06 16:50:05,224 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-06 16:50:05,228 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 918 places, 1926 transitions, 20432 flow. Second operand has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:50:05,228 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:50:05,228 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-06 16:50:05,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:50:23,880 INFO L130 PetriNetUnfolder]: 12368/92456 cut-off events. [2022-12-06 16:50:23,880 INFO L131 PetriNetUnfolder]: For 69000/129366 co-relation queries the response was YES. [2022-12-06 16:50:24,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178313 conditions, 92456 events. 12368/92456 cut-off events. For 69000/129366 co-relation queries the response was YES. Maximal size of possible extension queue 742. Compared 1270161 event pairs, 186 based on Foata normal form. 2204/87893 useless extension candidates. Maximal degree in co-relation 58325. Up to 8196 conditions per place. [2022-12-06 16:50:24,361 INFO L137 encePairwiseOnDemand]: 823/838 looper letters, 547 selfloop transitions, 205 changer transitions 739/2234 dead transitions. [2022-12-06 16:50:24,361 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 2234 transitions, 28201 flow [2022-12-06 16:50:24,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-06 16:50:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2022-12-06 16:50:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 18281 transitions. [2022-12-06 16:50:24,374 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9089598249801114 [2022-12-06 16:50:24,375 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 163 predicate places. [2022-12-06 16:50:24,375 INFO L495 AbstractCegarLoop]: Abstraction has has 941 places, 2234 transitions, 28201 flow [2022-12-06 16:50:24,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:50:24,377 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:50:24,377 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:50:24,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-06 16:50:24,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:50:24,585 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:50:24,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:50:24,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1946044271, now seen corresponding path program 6 times [2022-12-06 16:50:24,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:50:24,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120257549] [2022-12-06 16:50:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:50:24,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:50:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:50:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:50:24,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:50:24,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120257549] [2022-12-06 16:50:24,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120257549] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:50:24,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118265613] [2022-12-06 16:50:24,986 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-06 16:50:24,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:50:24,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:50:24,992 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:50:24,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-06 16:50:25,405 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-12-06 16:50:25,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 16:50:25,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-06 16:50:25,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:50:26,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:50:26,116 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:50:26,145 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 [2022-12-06 16:50:26,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:50:26,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:50:26,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118265613] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:50:26,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:50:26,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-06 16:50:26,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908368585] [2022-12-06 16:50:26,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:50:26,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:50:26,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:50:26,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:50:26,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-12-06 16:50:26,187 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-06 16:50:26,192 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 941 places, 2234 transitions, 28201 flow. Second operand has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:50:26,192 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:50:26,192 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-06 16:50:26,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:50:49,698 INFO L130 PetriNetUnfolder]: 14179/109311 cut-off events. [2022-12-06 16:50:49,698 INFO L131 PetriNetUnfolder]: For 98715/172463 co-relation queries the response was YES. [2022-12-06 16:50:50,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217855 conditions, 109311 events. 14179/109311 cut-off events. For 98715/172463 co-relation queries the response was YES. Maximal size of possible extension queue 882. Compared 1552540 event pairs, 215 based on Foata normal form. 760/102069 useless extension candidates. Maximal degree in co-relation 71509. Up to 9879 conditions per place. [2022-12-06 16:50:50,327 INFO L137 encePairwiseOnDemand]: 824/838 looper letters, 719 selfloop transitions, 91 changer transitions 834/2387 dead transitions. [2022-12-06 16:50:50,327 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 962 places, 2387 transitions, 34178 flow [2022-12-06 16:50:50,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-06 16:50:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-12-06 16:50:50,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 16742 transitions. [2022-12-06 16:50:50,338 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9081145584725537 [2022-12-06 16:50:50,338 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 184 predicate places. [2022-12-06 16:50:50,339 INFO L495 AbstractCegarLoop]: Abstraction has has 962 places, 2387 transitions, 34178 flow [2022-12-06 16:50:50,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:50:50,340 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:50:50,340 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:50:50,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-06 16:50:50,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-06 16:50:50,548 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:50:50,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:50:50,548 INFO L85 PathProgramCache]: Analyzing trace with hash -672167313, now seen corresponding path program 7 times [2022-12-06 16:50:50,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:50:50,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060383122] [2022-12-06 16:50:50,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:50:50,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:50:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:50:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:50:50,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:50:50,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060383122] [2022-12-06 16:50:50,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060383122] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:50:50,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246300097] [2022-12-06 16:50:50,931 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-06 16:50:50,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:50:50,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:50:50,932 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:50:50,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-06 16:50:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:50:51,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-06 16:50:51,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:50:51,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:50:51,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:50:51,953 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 [2022-12-06 16:50:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:50:51,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:50:51,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246300097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:50:51,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:50:51,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-06 16:50:51,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718210987] [2022-12-06 16:50:51,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:50:51,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 16:50:51,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:50:51,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 16:50:51,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-12-06 16:50:51,988 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-06 16:50:51,991 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 962 places, 2387 transitions, 34178 flow. Second operand has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:50:51,991 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:50:51,991 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-06 16:50:51,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:51:17,926 INFO L130 PetriNetUnfolder]: 14568/112091 cut-off events. [2022-12-06 16:51:17,927 INFO L131 PetriNetUnfolder]: For 138497/279697 co-relation queries the response was YES. [2022-12-06 16:51:18,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238336 conditions, 112091 events. 14568/112091 cut-off events. For 138497/279697 co-relation queries the response was YES. Maximal size of possible extension queue 912. Compared 1599924 event pairs, 386 based on Foata normal form. 886/104692 useless extension candidates. Maximal degree in co-relation 77937. Up to 10350 conditions per place. [2022-12-06 16:51:18,600 INFO L137 encePairwiseOnDemand]: 824/838 looper letters, 758 selfloop transitions, 106 changer transitions 858/2465 dead transitions. [2022-12-06 16:51:18,600 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 984 places, 2465 transitions, 39105 flow [2022-12-06 16:51:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-06 16:51:18,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2022-12-06 16:51:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 17499 transitions. [2022-12-06 16:51:18,608 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9079070250077825 [2022-12-06 16:51:18,609 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 206 predicate places. [2022-12-06 16:51:18,609 INFO L495 AbstractCegarLoop]: Abstraction has has 984 places, 2465 transitions, 39105 flow [2022-12-06 16:51:18,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 755.5) internal successors, (9066), 12 states have internal predecessors, (9066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:51:18,610 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:51:18,610 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:51:18,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-06 16:51:18,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:51:18,818 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:51:18,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:51:18,818 INFO L85 PathProgramCache]: Analyzing trace with hash 289098217, now seen corresponding path program 8 times [2022-12-06 16:51:18,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:51:18,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030519208] [2022-12-06 16:51:18,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:51:18,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:51:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:51:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:51:19,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:51:19,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030519208] [2022-12-06 16:51:19,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030519208] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:51:19,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102847121] [2022-12-06 16:51:19,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-06 16:51:19,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:51:19,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:51:19,205 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:51:19,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-06 16:51:19,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-06 16:51:19,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 16:51:19,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 86 conjunts are in the unsatisfiable core [2022-12-06 16:51:19,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:51:19,914 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:19,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-06 16:51:19,962 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:19,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:19,998 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:19,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,033 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,034 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,073 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,113 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,147 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,178 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,219 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,253 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,288 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,321 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,365 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:20,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:20,420 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:20,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:20,464 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,514 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,558 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,607 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,665 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:20,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:20,708 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:20,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:20,745 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:20,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:20,891 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:20,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:21,032 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:21,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 27 [2022-12-06 16:51:21,458 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:21,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 27 [2022-12-06 16:51:21,553 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:21,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:21,577 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-06 16:51:21,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-06 16:51:21,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:51:21,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:51:21,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:51:21,865 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 [2022-12-06 16:51:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:51:21,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:51:21,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102847121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:51:21,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:51:21,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2022-12-06 16:51:21,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875891843] [2022-12-06 16:51:21,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:51:21,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-06 16:51:21,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:51:21,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-06 16:51:21,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2022-12-06 16:51:21,908 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 694 out of 838 [2022-12-06 16:51:21,915 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 984 places, 2465 transitions, 39105 flow. Second operand has 19 states, 19 states have (on average 698.7368421052631) internal successors, (13276), 19 states have internal predecessors, (13276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:51:21,915 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:51:21,915 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 694 of 838 [2022-12-06 16:51:21,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:51:50,562 INFO L130 PetriNetUnfolder]: 15912/121907 cut-off events. [2022-12-06 16:51:50,562 INFO L131 PetriNetUnfolder]: For 185426/385678 co-relation queries the response was YES. [2022-12-06 16:51:51,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274747 conditions, 121907 events. 15912/121907 cut-off events. For 185426/385678 co-relation queries the response was YES. Maximal size of possible extension queue 1000. Compared 1766623 event pairs, 205 based on Foata normal form. 1577/114568 useless extension candidates. Maximal degree in co-relation 90082. Up to 11616 conditions per place. [2022-12-06 16:51:51,321 INFO L137 encePairwiseOnDemand]: 815/838 looper letters, 783 selfloop transitions, 207 changer transitions 979/2660 dead transitions. [2022-12-06 16:51:51,321 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1017 places, 2660 transitions, 47081 flow [2022-12-06 16:51:51,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-12-06 16:51:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-12-06 16:51:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 23880 transitions. [2022-12-06 16:51:51,332 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8381300014039028 [2022-12-06 16:51:51,332 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 239 predicate places. [2022-12-06 16:51:51,333 INFO L495 AbstractCegarLoop]: Abstraction has has 1017 places, 2660 transitions, 47081 flow [2022-12-06 16:51:51,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 698.7368421052631) internal successors, (13276), 19 states have internal predecessors, (13276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:51:51,334 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:51:51,334 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:51:51,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-06 16:51:51,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-06 16:51:51,535 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:51:51,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:51:51,536 INFO L85 PathProgramCache]: Analyzing trace with hash -753222743, now seen corresponding path program 9 times [2022-12-06 16:51:51,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:51:51,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517016891] [2022-12-06 16:51:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:51:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:51:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:51:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:51:51,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:51:51,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517016891] [2022-12-06 16:51:51,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517016891] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:51:51,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748164266] [2022-12-06 16:51:51,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-06 16:51:51,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:51:51,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:51:51,884 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:51:51,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-06 16:51:52,386 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-06 16:51:52,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 16:51:52,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 88 conjunts are in the unsatisfiable core [2022-12-06 16:51:52,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:51:52,674 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:52,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-06 16:51:52,718 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:52,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:52,767 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:52,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:52,811 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:52,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:52,847 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:52,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:52,904 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:52,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:52,950 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:52,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:52,987 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:52,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,026 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,057 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,091 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,128 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,159 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,200 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,200 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,234 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,234 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,269 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,300 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,336 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,453 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,487 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,516 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:51:53,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:51:53,651 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:53,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:53,790 INFO L321 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2022-12-06 16:51:53,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 31 treesize of output 50 [2022-12-06 16:51:54,131 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:54,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-06 16:51:54,199 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:51:54,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:51:54,216 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-06 16:51:54,216 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-06 16:51:54,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:51:54,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:51:54,473 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:51:54,491 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 [2022-12-06 16:51:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:51:54,524 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:51:54,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748164266] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:51:54,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:51:54,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2022-12-06 16:51:54,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493187566] [2022-12-06 16:51:54,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:51:54,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-06 16:51:54,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:51:54,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-06 16:51:54,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2022-12-06 16:51:54,530 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 694 out of 838 [2022-12-06 16:51:54,535 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 2660 transitions, 47081 flow. Second operand has 19 states, 19 states have (on average 698.7368421052631) internal successors, (13276), 19 states have internal predecessors, (13276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:51:54,535 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:51:54,535 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 694 of 838 [2022-12-06 16:51:54,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:52:26,701 INFO L130 PetriNetUnfolder]: 17002/130949 cut-off events. [2022-12-06 16:52:26,701 INFO L131 PetriNetUnfolder]: For 235793/436097 co-relation queries the response was YES. [2022-12-06 16:52:27,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309286 conditions, 130949 events. 17002/130949 cut-off events. For 235793/436097 co-relation queries the response was YES. Maximal size of possible extension queue 1079. Compared 1923841 event pairs, 247 based on Foata normal form. 2441/123778 useless extension candidates. Maximal degree in co-relation 101469. Up to 12528 conditions per place. [2022-12-06 16:52:27,667 INFO L137 encePairwiseOnDemand]: 817/838 looper letters, 771 selfloop transitions, 277 changer transitions 1045/2784 dead transitions. [2022-12-06 16:52:27,667 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1050 places, 2784 transitions, 54211 flow [2022-12-06 16:52:27,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-12-06 16:52:27,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-12-06 16:52:27,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 23891 transitions. [2022-12-06 16:52:27,676 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8385160746876316 [2022-12-06 16:52:27,677 INFO L294 CegarLoopForPetriNet]: 778 programPoint places, 272 predicate places. [2022-12-06 16:52:27,677 INFO L495 AbstractCegarLoop]: Abstraction has has 1050 places, 2784 transitions, 54211 flow [2022-12-06 16:52:27,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 698.7368421052631) internal successors, (13276), 19 states have internal predecessors, (13276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:52:27,678 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:52:27,679 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:52:27,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-06 16:52:27,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-06 16:52:27,880 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 16:52:27,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:52:27,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1163379799, now seen corresponding path program 10 times [2022-12-06 16:52:27,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:52:27,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018886549] [2022-12-06 16:52:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:52:27,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:52:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:52:28,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:52:28,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:52:28,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018886549] [2022-12-06 16:52:28,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018886549] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:52:28,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483713429] [2022-12-06 16:52:28,388 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-06 16:52:28,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:52:28,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:52:28,392 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:52:28,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-06 16:52:28,905 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-06 16:52:28,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 16:52:28,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 84 conjunts are in the unsatisfiable core [2022-12-06 16:52:28,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:52:29,141 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-06 16:52:29,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-06 16:52:29,162 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-06 16:52:29,197 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,244 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,245 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,283 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,324 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,362 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,399 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,439 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,474 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,511 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,548 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,549 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,585 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,623 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,673 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:52:29,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:52:29,713 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,750 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,784 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,821 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,864 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:29,900 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:29,901 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:30,066 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-06 16:52:30,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2022-12-06 16:52:30,196 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-06 16:52:30,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-06 16:52:30,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:52:30,615 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-06 16:52:30,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-06 16:52:30,636 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-06 16:52:30,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2022-12-06 16:52:30,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:52:30,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 16:52:30,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-06 16:52:30,936 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 [2022-12-06 16:52:30,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:52:30,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:52:30,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483713429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:52:30,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:52:30,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2022-12-06 16:52:30,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171178283] [2022-12-06 16:52:30,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:52:30,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-06 16:52:30,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:52:30,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-06 16:52:30,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2022-12-06 16:52:30,977 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 694 out of 838 [2022-12-06 16:52:30,982 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1050 places, 2784 transitions, 54211 flow. Second operand has 19 states, 19 states have (on average 698.7368421052631) internal successors, (13276), 19 states have internal predecessors, (13276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:52:30,982 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:52:30,982 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 694 of 838 [2022-12-06 16:52:30,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand