/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_REDUNDANT_FLOW -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 12:15:41,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 12:15:41,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 12:15:41,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 12:15:41,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 12:15:41,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 12:15:41,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 12:15:41,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 12:15:41,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 12:15:41,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 12:15:41,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 12:15:41,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 12:15:41,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 12:15:41,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 12:15:41,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 12:15:41,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 12:15:41,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 12:15:41,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 12:15:41,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 12:15:41,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 12:15:41,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 12:15:41,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 12:15:41,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 12:15:41,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 12:15:41,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 12:15:41,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 12:15:41,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 12:15:41,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 12:15:41,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 12:15:41,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 12:15:41,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 12:15:41,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 12:15:41,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 12:15:41,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 12:15:41,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 12:15:41,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 12:15:41,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 12:15:41,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 12:15:41,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 12:15:41,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 12:15:41,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 12:15:41,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-12 12:15:41,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 12:15:41,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 12:15:41,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 12:15:41,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 12:15:41,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 12:15:41,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 12:15:41,862 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 12:15:41,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 12:15:41,862 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 12:15:41,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 12:15:41,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 12:15:41,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 12:15:41,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 12:15:41,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 12:15:41,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 12:15:41,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 12:15:41,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 12:15:41,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 12:15:41,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 12:15:41,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 12:15:41,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 12:15:41,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 12:15:41,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 12:15:41,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 12:15:41,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 12:15:41,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 12:15:41,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 12:15:41,888 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-12 12:15:41,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 12:15:41,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 12:15:41,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 12:15:41,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_REDUNDANT_FLOW [2022-12-12 12:15:42,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 12:15:42,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 12:15:42,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 12:15:42,328 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 12:15:42,336 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 12:15:42,337 INFO L432 ainManager$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 [2022-12-12 12:15:43,374 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 12:15:43,739 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 12:15:43,739 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2022-12-12 12:15:43,778 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee12091cd/74eee826ddae4812855dd0411e22397d/FLAGaa5e0fd46 [2022-12-12 12:15:43,794 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee12091cd/74eee826ddae4812855dd0411e22397d [2022-12-12 12:15:43,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 12:15:43,800 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 12:15:43,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 12:15:43,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 12:15:43,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 12:15:43,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 12:15:43" (1/1) ... [2022-12-12 12:15:43,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491d5819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:43, skipping insertion in model container [2022-12-12 12:15:43,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 12:15:43" (1/1) ... [2022-12-12 12:15:43,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 12:15:43,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 12:15:44,238 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] [2022-12-12 12:15:44,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:44,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:44,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:44,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:44,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:44,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:44,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:44,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:44,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:44,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:44,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:44,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:44,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:44,634 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:44,640 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:44,641 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:44,661 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 12:15:44,672 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:44,680 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:44,697 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:44,911 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 12:15:44,928 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 12:15:45,030 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 12:15:45,203 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:45,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:45,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:45,211 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:45,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:45,218 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:45,478 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 12:15:45,482 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 12:15:45,486 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 12:15:45,644 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 12:15:45,645 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 12:15:45,650 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 12:15:45,651 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 12:15:45,907 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 12:15:46,575 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 12:15:46,589 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 12:15:46,716 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 12:15:46,722 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 12:15:47,092 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 12:15:47,250 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 12:15:47,256 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:15:47,432 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 12:15:47,713 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 12:15:47,713 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 12:15:47,713 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 12:15:48,421 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 12:15:48,422 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:48,428 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:48,433 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:48,439 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:48,844 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 12:15:48,848 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 12:15:48,885 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 12:15:48,886 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 12:15:48,887 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 12:15:48,889 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 12:15:48,889 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 12:15:48,889 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 12:15:48,894 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 12:15:48,894 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 12:15:48,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 12:15:48,953 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 12:15:48,974 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] [2022-12-12 12:15:48,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:48,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:48,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:48,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:48,982 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:48,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:48,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:48,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:48,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:48,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:48,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:48,984 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:48,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:48,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:48,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:48,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:48,986 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-12 12:15:48,987 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:48,987 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:48,987 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-12 12:15:48,992 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 12:15:48,993 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-12 12:15:48,998 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-12 12:15:49,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:49,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:49,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:49,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:49,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 12:15:49,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 12:15:49,025 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-12 12:15:49,026 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-12 12:15:49,026 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-12 12:15:49,030 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-12 12:15:49,030 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 12:15:49,030 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-12 12:15:49,030 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-12 12:15:49,036 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-12 12:15:49,047 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 12:15:49,048 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-12 12:15:49,050 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-12 12:15:49,050 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-12 12:15:49,056 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-12 12:15:49,060 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-12 12:15:49,061 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-12 12:15:49,065 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-12 12:15:49,068 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-12 12:15:49,069 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-12 12:15:49,069 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-12 12:15:49,119 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-12 12:15:49,120 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:49,122 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:49,178 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:49,180 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-12 12:15:49,211 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 12:15:49,212 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-12 12:15:49,218 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-12 12:15:49,218 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-12 12:15:49,219 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-12 12:15:49,220 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 12:15:49,220 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-12 12:15:49,221 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-12 12:15:49,221 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-12 12:15:49,221 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-12 12:15:49,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 12:15:49,528 INFO L208 MainTranslator]: Completed translation [2022-12-12 12:15:49,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49 WrapperNode [2022-12-12 12:15:49,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 12:15:49,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 12:15:49,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 12:15:49,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 12:15:49,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,666 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 758 [2022-12-12 12:15:49,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 12:15:49,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 12:15:49,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 12:15:49,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 12:15:49,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 12:15:49,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 12:15:49,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 12:15:49,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 12:15:49,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (1/1) ... [2022-12-12 12:15:49,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 12:15:49,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:15:49,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-12 12:15:49,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-12 12:15:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 12:15:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-12 12:15:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 12:15:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-12 12:15:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 12:15:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 12:15:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-12 12:15:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 12:15:49,819 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 12:15:50,195 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 12:15:50,197 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 12:15:50,743 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 12:15:50,765 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 12:15:50,766 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2022-12-12 12:15:50,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 12:15:50 BoogieIcfgContainer [2022-12-12 12:15:50,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 12:15:50,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 12:15:50,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 12:15:50,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 12:15:50,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 12:15:43" (1/3) ... [2022-12-12 12:15:50,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f977c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 12:15:50, skipping insertion in model container [2022-12-12 12:15:50,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 12:15:49" (2/3) ... [2022-12-12 12:15:50,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f977c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 12:15:50, skipping insertion in model container [2022-12-12 12:15:50,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 12:15:50" (3/3) ... [2022-12-12 12:15:50,774 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2022-12-12 12:15:50,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 12:15:50,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-12 12:15:50,787 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 12:15:50,883 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-12 12:15:50,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 788 places, 838 transitions, 1692 flow [2022-12-12 12:15:51,127 INFO L130 PetriNetUnfolder]: 57/836 cut-off events. [2022-12-12 12:15:51,127 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-12 12:15:51,136 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. [2022-12-12 12:15:51,136 INFO L82 GeneralOperation]: Start removeDead. Operand has 788 places, 838 transitions, 1692 flow [2022-12-12 12:15:51,144 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 778 places, 828 transitions, 1665 flow [2022-12-12 12:15:51,150 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 12:15:51,154 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;@3bd78783, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 12:15:51,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-12 12:15:51,186 INFO L130 PetriNetUnfolder]: 10/332 cut-off events. [2022-12-12 12:15:51,187 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 12:15:51,187 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:51,187 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:15:51,188 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)] === [2022-12-12 12:15:51,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:51,192 INFO L85 PathProgramCache]: Analyzing trace with hash -566504468, now seen corresponding path program 1 times [2022-12-12 12:15:51,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:51,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586851704] [2022-12-12 12:15:51,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:51,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:52,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:52,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:52,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586851704] [2022-12-12 12:15:52,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586851704] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:15:52,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:15:52,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-12 12:15:52,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966182661] [2022-12-12 12:15:52,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:15:52,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-12 12:15:52,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:15:52,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-12 12:15:52,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-12 12:15:52,064 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 777 out of 838 [2022-12-12 12:15:52,074 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) [2022-12-12 12:15:52,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:15:52,074 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 777 of 838 [2022-12-12 12:15:52,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:15:52,400 INFO L130 PetriNetUnfolder]: 45/947 cut-off events. [2022-12-12 12:15:52,400 INFO L131 PetriNetUnfolder]: For 8/9 co-relation queries the response was YES. [2022-12-12 12:15:52,405 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. [2022-12-12 12:15:52,408 INFO L137 encePairwiseOnDemand]: 799/838 looper letters, 19 selfloop transitions, 16 changer transitions 3/800 dead transitions. [2022-12-12 12:15:52,408 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 788 places, 800 transitions, 1679 flow [2022-12-12 12:15:52,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-12 12:15:52,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-12 12:15:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 12490 transitions. [2022-12-12 12:15:52,441 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9315334128878282 [2022-12-12 12:15:52,444 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 10 predicate places. [2022-12-12 12:15:52,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 788 places, 800 transitions, 1679 flow [2022-12-12 12:15:52,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 771 places, 800 transitions, 1611 flow, removed 17 selfloop flow, removed 17 redundant places. [2022-12-12 12:15:52,455 INFO L495 AbstractCegarLoop]: Abstraction has has 771 places, 800 transitions, 1611 flow [2022-12-12 12:15:52,458 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) [2022-12-12 12:15:52,458 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:52,459 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:15:52,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 12:15:52,459 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)] === [2022-12-12 12:15:52,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:52,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1259831483, now seen corresponding path program 1 times [2022-12-12 12:15:52,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:52,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499871627] [2022-12-12 12:15:52,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:52,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:53,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:53,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499871627] [2022-12-12 12:15:53,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499871627] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:15:53,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:15:53,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 12:15:53,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900231006] [2022-12-12 12:15:53,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:15:53,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 12:15:53,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:15:53,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 12:15:53,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-12 12:15:53,036 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 769 out of 838 [2022-12-12 12:15:53,040 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 771 places, 800 transitions, 1611 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) [2022-12-12 12:15:53,040 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:15:53,041 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 769 of 838 [2022-12-12 12:15:53,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:15:53,406 INFO L130 PetriNetUnfolder]: 80/1465 cut-off events. [2022-12-12 12:15:53,406 INFO L131 PetriNetUnfolder]: For 24/36 co-relation queries the response was YES. [2022-12-12 12:15:53,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1551 conditions, 1465 events. 80/1465 cut-off events. For 24/36 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 482. Up to 37 conditions per place. [2022-12-12 12:15:53,416 INFO L137 encePairwiseOnDemand]: 828/838 looper letters, 48 selfloop transitions, 9 changer transitions 3/813 dead transitions. [2022-12-12 12:15:53,416 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 776 places, 813 transitions, 1759 flow [2022-12-12 12:15:53,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-12 12:15:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-12 12:15:53,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 6210 transitions. [2022-12-12 12:15:53,425 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9263126491646778 [2022-12-12 12:15:53,426 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, -2 predicate places. [2022-12-12 12:15:53,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 776 places, 813 transitions, 1759 flow [2022-12-12 12:15:53,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 772 places, 813 transitions, 1701 flow, removed 25 selfloop flow, removed 4 redundant places. [2022-12-12 12:15:53,431 INFO L495 AbstractCegarLoop]: Abstraction has has 772 places, 813 transitions, 1701 flow [2022-12-12 12:15:53,433 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) [2022-12-12 12:15:53,433 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:53,433 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:15:53,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 12:15:53,434 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)] === [2022-12-12 12:15:53,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:53,434 INFO L85 PathProgramCache]: Analyzing trace with hash -675145419, now seen corresponding path program 1 times [2022-12-12 12:15:53,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:53,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090891591] [2022-12-12 12:15:53,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:53,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:53,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:53,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090891591] [2022-12-12 12:15:53,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090891591] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:15:53,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 12:15:53,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 12:15:53,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180198425] [2022-12-12 12:15:53,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:15:53,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-12 12:15:53,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:15:53,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-12 12:15:53,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-12 12:15:53,875 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 789 out of 838 [2022-12-12 12:15:53,878 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 772 places, 813 transitions, 1701 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) [2022-12-12 12:15:53,879 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:15:53,879 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 789 of 838 [2022-12-12 12:15:53,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:15:54,180 INFO L130 PetriNetUnfolder]: 108/1882 cut-off events. [2022-12-12 12:15:54,180 INFO L131 PetriNetUnfolder]: For 76/112 co-relation queries the response was YES. [2022-12-12 12:15:54,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2009 conditions, 1882 events. 108/1882 cut-off events. For 76/112 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 479. Up to 31 conditions per place. [2022-12-12 12:15:54,227 INFO L137 encePairwiseOnDemand]: 831/838 looper letters, 31 selfloop transitions, 6 changer transitions 3/821 dead transitions. [2022-12-12 12:15:54,227 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 777 places, 821 transitions, 1807 flow [2022-12-12 12:15:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 12:15:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 12:15:54,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4767 transitions. [2022-12-12 12:15:54,236 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.948090692124105 [2022-12-12 12:15:54,236 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, -1 predicate places. [2022-12-12 12:15:54,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 777 places, 821 transitions, 1807 flow [2022-12-12 12:15:54,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 775 places, 821 transitions, 1781 flow, removed 11 selfloop flow, removed 2 redundant places. [2022-12-12 12:15:54,242 INFO L495 AbstractCegarLoop]: Abstraction has has 775 places, 821 transitions, 1781 flow [2022-12-12 12:15:54,244 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) [2022-12-12 12:15:54,244 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:54,244 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:15:54,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 12:15:54,244 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)] === [2022-12-12 12:15:54,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:54,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1420303379, now seen corresponding path program 1 times [2022-12-12 12:15:54,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:54,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527397035] [2022-12-12 12:15:54,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:54,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:54,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:54,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527397035] [2022-12-12 12:15:54,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527397035] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:15:54,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674360335] [2022-12-12 12:15:54,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:54,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:15:54,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:15:54,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-12 12:15:54,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-12 12:15:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:55,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-12 12:15:55,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:15:55,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:15:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:15:55,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:15:55,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674360335] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:15:55,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:15:55,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-12-12 12:15:55,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656150022] [2022-12-12 12:15:55,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:15:55,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 12:15:55,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:15:55,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 12:15:55,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-12-12 12:15:55,175 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 757 out of 838 [2022-12-12 12:15:55,180 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 775 places, 821 transitions, 1781 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) [2022-12-12 12:15:55,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:15:55,180 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 757 of 838 [2022-12-12 12:15:55,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:15:57,984 INFO L130 PetriNetUnfolder]: 1922/16332 cut-off events. [2022-12-12 12:15:57,984 INFO L131 PetriNetUnfolder]: For 2269/2558 co-relation queries the response was YES. [2022-12-12 12:15:58,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19888 conditions, 16332 events. 1922/16332 cut-off events. For 2269/2558 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 153743 event pairs, 251 based on Foata normal form. 2/15008 useless extension candidates. Maximal degree in co-relation 4625. Up to 885 conditions per place. [2022-12-12 12:15:58,087 INFO L137 encePairwiseOnDemand]: 827/838 looper letters, 155 selfloop transitions, 59 changer transitions 1/963 dead transitions. [2022-12-12 12:15:58,088 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 787 places, 963 transitions, 3003 flow [2022-12-12 12:15:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-12 12:15:58,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-12 12:15:58,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 9975 transitions. [2022-12-12 12:15:58,101 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9156416375986782 [2022-12-12 12:15:58,102 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 9 predicate places. [2022-12-12 12:15:58,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 787 places, 963 transitions, 3003 flow [2022-12-12 12:15:58,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 787 places, 963 transitions, 2845 flow, removed 79 selfloop flow, removed 0 redundant places. [2022-12-12 12:15:58,122 INFO L495 AbstractCegarLoop]: Abstraction has has 787 places, 963 transitions, 2845 flow [2022-12-12 12:15:58,125 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) [2022-12-12 12:15:58,125 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:15:58,125 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:15:58,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-12 12:15:58,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:15:58,360 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)] === [2022-12-12 12:15:58,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:15:58,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1743627273, now seen corresponding path program 1 times [2022-12-12 12:15:58,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:15:58,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684496421] [2022-12-12 12:15:58,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:58,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:15:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:15:58,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:15:58,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684496421] [2022-12-12 12:15:58,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684496421] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:15:58,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228483538] [2022-12-12 12:15:58,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:15:58,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:15:58,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:15:58,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-12 12:15:58,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-12 12:15:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:15:59,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 85 conjunts are in the unsatisfiable core [2022-12-12 12:15:59,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:15:59,600 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-12 12:15:59,601 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 [2022-12-12 12:15:59,626 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:15:59,627 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 [2022-12-12 12:15:59,670 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:15:59,671 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 [2022-12-12 12:15:59,708 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:15:59,709 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 [2022-12-12 12:15:59,747 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:15:59,748 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 [2022-12-12 12:15:59,781 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:15:59,782 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 [2022-12-12 12:15:59,816 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:15:59,817 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 [2022-12-12 12:15:59,852 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:15:59,852 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 [2022-12-12 12:15:59,891 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:15:59,891 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 [2022-12-12 12:15:59,923 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:15:59,924 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 [2022-12-12 12:15:59,964 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:15:59,965 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 [2022-12-12 12:15:59,997 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:15:59,998 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 [2022-12-12 12:16:00,082 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-12 12:16:00,082 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 [2022-12-12 12:16:00,128 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:16:00,129 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 [2022-12-12 12:16:00,230 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:16:00,231 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 [2022-12-12 12:16:00,267 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:16:00,267 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 [2022-12-12 12:16:00,302 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:16:00,303 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 [2022-12-12 12:16:00,338 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:16:00,339 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 [2022-12-12 12:16:00,370 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:16:00,370 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 [2022-12-12 12:16:00,399 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:16:00,399 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 [2022-12-12 12:16:00,433 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:16:00,433 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 [2022-12-12 12:16:00,565 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-12 12:16:00,566 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 [2022-12-12 12:16:00,669 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:16:00,669 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 [2022-12-12 12:16:00,974 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 [2022-12-12 12:16:01,026 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:16:01,027 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 2 case distinctions, treesize of input 21 treesize of output 33 [2022-12-12 12:16:01,047 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-12 12:16:01,048 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 [2022-12-12 12:16:01,147 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 [2022-12-12 12:16:01,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:16:01,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:16:01,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:16:01,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228483538] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:16:01,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:16:01,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2022-12-12 12:16:01,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962544009] [2022-12-12 12:16:01,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:16:01,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-12 12:16:01,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:16:01,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-12 12:16:01,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2022-12-12 12:16:01,237 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 699 out of 838 [2022-12-12 12:16:01,247 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 963 transitions, 2845 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) [2022-12-12 12:16:01,247 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:16:01,247 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 699 of 838 [2022-12-12 12:16:01,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:16:06,440 INFO L130 PetriNetUnfolder]: 2652/25099 cut-off events. [2022-12-12 12:16:06,441 INFO L131 PetriNetUnfolder]: For 4621/12759 co-relation queries the response was YES. [2022-12-12 12:16:06,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30938 conditions, 25099 events. 2652/25099 cut-off events. For 4621/12759 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 266511 event pairs, 187 based on Foata normal form. 352/23501 useless extension candidates. Maximal degree in co-relation 10451. Up to 1054 conditions per place. [2022-12-12 12:16:06,534 INFO L137 encePairwiseOnDemand]: 819/838 looper letters, 221 selfloop transitions, 80 changer transitions 73/1070 dead transitions. [2022-12-12 12:16:06,535 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 806 places, 1070 transitions, 4346 flow [2022-12-12 12:16:06,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-12 12:16:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-12 12:16:06,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 14159 transitions. [2022-12-12 12:16:06,551 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8448090692124105 [2022-12-12 12:16:06,552 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 28 predicate places. [2022-12-12 12:16:06,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 806 places, 1070 transitions, 4346 flow [2022-12-12 12:16:06,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 798 places, 1070 transitions, 3926 flow, removed 200 selfloop flow, removed 8 redundant places. [2022-12-12 12:16:06,567 INFO L495 AbstractCegarLoop]: Abstraction has has 798 places, 1070 transitions, 3926 flow [2022-12-12 12:16:06,581 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) [2022-12-12 12:16:06,582 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:16:06,582 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:16:06,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-12 12:16:06,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:16:06,789 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)] === [2022-12-12 12:16:06,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:16:06,789 INFO L85 PathProgramCache]: Analyzing trace with hash 153509591, now seen corresponding path program 1 times [2022-12-12 12:16:06,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:16:06,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362026704] [2022-12-12 12:16:06,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:16:06,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:16:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:16:07,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:16:07,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:16:07,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362026704] [2022-12-12 12:16:07,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362026704] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:16:07,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477877197] [2022-12-12 12:16:07,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:16:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:16:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:16:07,141 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) [2022-12-12 12:16:07,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-12 12:16:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:16:07,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-12 12:16:07,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:16:07,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 12:16:07,974 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 [2022-12-12 12:16:07,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:16:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:16:08,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:16:08,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477877197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:16:08,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:16:08,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-12 12:16:08,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665603862] [2022-12-12 12:16:08,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:16:08,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-12 12:16:08,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:16:08,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-12 12:16:08,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-12-12 12:16:08,027 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-12 12:16:08,033 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 798 places, 1070 transitions, 3926 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) [2022-12-12 12:16:08,033 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:16:08,033 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-12 12:16:08,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:16:15,622 INFO L130 PetriNetUnfolder]: 5940/43129 cut-off events. [2022-12-12 12:16:15,622 INFO L131 PetriNetUnfolder]: For 6972/7280 co-relation queries the response was YES. [2022-12-12 12:16:15,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58067 conditions, 43129 events. 5940/43129 cut-off events. For 6972/7280 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 503027 event pairs, 706 based on Foata normal form. 32/40001 useless extension candidates. Maximal degree in co-relation 11866. Up to 2250 conditions per place. [2022-12-12 12:16:15,801 INFO L137 encePairwiseOnDemand]: 823/838 looper letters, 306 selfloop transitions, 117 changer transitions 101/1267 dead transitions. [2022-12-12 12:16:15,801 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 824 places, 1267 transitions, 5929 flow [2022-12-12 12:16:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-12 12:16:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2022-12-12 12:16:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 20555 transitions. [2022-12-12 12:16:15,959 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9084681340051268 [2022-12-12 12:16:15,960 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 46 predicate places. [2022-12-12 12:16:15,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 824 places, 1267 transitions, 5929 flow [2022-12-12 12:16:15,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 820 places, 1267 transitions, 5523 flow, removed 183 selfloop flow, removed 4 redundant places. [2022-12-12 12:16:15,980 INFO L495 AbstractCegarLoop]: Abstraction has has 820 places, 1267 transitions, 5523 flow [2022-12-12 12:16:15,982 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) [2022-12-12 12:16:15,982 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:16:15,982 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:16:15,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-12 12:16:16,190 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 [2022-12-12 12:16:16,190 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)] === [2022-12-12 12:16:16,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:16:16,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1622251601, now seen corresponding path program 2 times [2022-12-12 12:16:16,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:16:16,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792712358] [2022-12-12 12:16:16,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:16:16,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:16:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:16:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:16:16,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:16:16,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792712358] [2022-12-12 12:16:16,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792712358] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:16:16,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141809823] [2022-12-12 12:16:16,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-12 12:16:16,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:16:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:16:16,492 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) [2022-12-12 12:16:16,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-12 12:16:16,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-12 12:16:16,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-12 12:16:16,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-12 12:16:16,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:16:17,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 12:16:17,403 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 [2022-12-12 12:16:17,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:16:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:16:17,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:16:17,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141809823] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:16:17,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:16:17,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-12 12:16:17,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707044385] [2022-12-12 12:16:17,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:16:17,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-12 12:16:17,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:16:17,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-12 12:16:17,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2022-12-12 12:16:17,459 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-12 12:16:17,464 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 820 places, 1267 transitions, 5523 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) [2022-12-12 12:16:17,464 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:16:17,464 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-12 12:16:17,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:16:25,725 INFO L130 PetriNetUnfolder]: 6974/51388 cut-off events. [2022-12-12 12:16:25,726 INFO L131 PetriNetUnfolder]: For 11058/18355 co-relation queries the response was YES. [2022-12-12 12:16:25,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74096 conditions, 51388 events. 6974/51388 cut-off events. For 11058/18355 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 623422 event pairs, 149 based on Foata normal form. 382/48019 useless extension candidates. Maximal degree in co-relation 15928. Up to 3282 conditions per place. [2022-12-12 12:16:25,877 INFO L137 encePairwiseOnDemand]: 825/838 looper letters, 317 selfloop transitions, 70 changer transitions 424/1554 dead transitions. [2022-12-12 12:16:25,877 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 836 places, 1554 transitions, 9249 flow [2022-12-12 12:16:25,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-12 12:16:25,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-12 12:16:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 12942 transitions. [2022-12-12 12:16:25,885 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9084655341850344 [2022-12-12 12:16:25,885 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 58 predicate places. [2022-12-12 12:16:25,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 836 places, 1554 transitions, 9249 flow [2022-12-12 12:16:25,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 834 places, 1554 transitions, 8908 flow, removed 169 selfloop flow, removed 2 redundant places. [2022-12-12 12:16:25,906 INFO L495 AbstractCegarLoop]: Abstraction has has 834 places, 1554 transitions, 8908 flow [2022-12-12 12:16:25,908 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) [2022-12-12 12:16:25,908 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:16:25,908 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:16:25,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-12 12:16:26,116 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 [2022-12-12 12:16:26,116 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)] === [2022-12-12 12:16:26,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:16:26,117 INFO L85 PathProgramCache]: Analyzing trace with hash 785165699, now seen corresponding path program 3 times [2022-12-12 12:16:26,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:16:26,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366507111] [2022-12-12 12:16:26,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:16:26,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:16:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:16:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:16:26,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:16:26,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366507111] [2022-12-12 12:16:26,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366507111] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:16:26,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116245920] [2022-12-12 12:16:26,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-12 12:16:26,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:16:26,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:16:26,424 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) [2022-12-12 12:16:26,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-12 12:16:26,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-12 12:16:26,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-12 12:16:26,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-12 12:16:26,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:16:27,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 12:16:27,501 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 [2022-12-12 12:16:27,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:16:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:16:27,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:16:27,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116245920] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:16:27,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:16:27,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-12 12:16:27,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898982636] [2022-12-12 12:16:27,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:16:27,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-12 12:16:27,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:16:27,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-12 12:16:27,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-12-12 12:16:27,554 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-12 12:16:27,559 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 834 places, 1554 transitions, 8908 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) [2022-12-12 12:16:27,559 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:16:27,559 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-12 12:16:27,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:16:37,463 INFO L130 PetriNetUnfolder]: 8352/60102 cut-off events. [2022-12-12 12:16:37,463 INFO L131 PetriNetUnfolder]: For 18061/38130 co-relation queries the response was YES. [2022-12-12 12:16:37,613 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94982 conditions, 60102 events. 8352/60102 cut-off events. For 18061/38130 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 751786 event pairs, 133 based on Foata normal form. 1102/56837 useless extension candidates. Maximal degree in co-relation 23036. Up to 3639 conditions per place. [2022-12-12 12:16:37,676 INFO L137 encePairwiseOnDemand]: 823/838 looper letters, 334 selfloop transitions, 136 changer transitions 546/1759 dead transitions. [2022-12-12 12:16:37,676 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 861 places, 1759 transitions, 12858 flow [2022-12-12 12:16:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-12 12:16:37,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2022-12-12 12:16:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 21318 transitions. [2022-12-12 12:16:37,689 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9085407432662802 [2022-12-12 12:16:37,689 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 83 predicate places. [2022-12-12 12:16:37,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 861 places, 1759 transitions, 12858 flow [2022-12-12 12:16:37,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 858 places, 1759 transitions, 11647 flow, removed 593 selfloop flow, removed 3 redundant places. [2022-12-12 12:16:37,727 INFO L495 AbstractCegarLoop]: Abstraction has has 858 places, 1759 transitions, 11647 flow [2022-12-12 12:16:37,728 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) [2022-12-12 12:16:37,728 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:16:37,729 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:16:37,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-12 12:16:37,936 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 [2022-12-12 12:16:37,937 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)] === [2022-12-12 12:16:37,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:16:37,937 INFO L85 PathProgramCache]: Analyzing trace with hash 375008643, now seen corresponding path program 4 times [2022-12-12 12:16:37,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:16:37,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026085524] [2022-12-12 12:16:37,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:16:37,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:16:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:16:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:16:38,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:16:38,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026085524] [2022-12-12 12:16:38,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026085524] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:16:38,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189312393] [2022-12-12 12:16:38,285 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-12 12:16:38,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:16:38,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:16:38,286 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) [2022-12-12 12:16:38,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-12 12:16:38,685 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-12 12:16:38,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-12 12:16:38,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-12 12:16:38,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:16:39,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 12:16:39,286 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 [2022-12-12 12:16:39,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:16:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:16:39,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:16:39,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189312393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:16:39,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:16:39,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2022-12-12 12:16:39,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12831312] [2022-12-12 12:16:39,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:16:39,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-12 12:16:39,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:16:39,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-12 12:16:39,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-12-12 12:16:39,355 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 747 out of 838 [2022-12-12 12:16:39,360 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 1759 transitions, 11647 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) [2022-12-12 12:16:39,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:16:39,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 747 of 838 [2022-12-12 12:16:39,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:16:50,833 INFO L130 PetriNetUnfolder]: 9287/65824 cut-off events. [2022-12-12 12:16:50,833 INFO L131 PetriNetUnfolder]: For 24068/46519 co-relation queries the response was YES. [2022-12-12 12:16:51,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109089 conditions, 65824 events. 9287/65824 cut-off events. For 24068/46519 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 839931 event pairs, 141 based on Foata normal form. 1380/62430 useless extension candidates. Maximal degree in co-relation 27242. Up to 3596 conditions per place. [2022-12-12 12:16:51,098 INFO L137 encePairwiseOnDemand]: 821/838 looper letters, 457 selfloop transitions, 159 changer transitions 571/1926 dead transitions. [2022-12-12 12:16:51,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 878 places, 1926 transitions, 15493 flow [2022-12-12 12:16:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-12 12:16:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-12-12 12:16:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 15893 transitions. [2022-12-12 12:16:51,107 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.903113990226162 [2022-12-12 12:16:51,108 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 100 predicate places. [2022-12-12 12:16:51,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 878 places, 1926 transitions, 15493 flow [2022-12-12 12:16:51,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 872 places, 1926 transitions, 15007 flow, removed 221 selfloop flow, removed 6 redundant places. [2022-12-12 12:16:51,145 INFO L495 AbstractCegarLoop]: Abstraction has has 872 places, 1926 transitions, 15007 flow [2022-12-12 12:16:51,148 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) [2022-12-12 12:16:51,148 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:16:51,148 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:16:51,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-12 12:16:51,358 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 [2022-12-12 12:16:51,358 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)] === [2022-12-12 12:16:51,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:16:51,358 INFO L85 PathProgramCache]: Analyzing trace with hash 2059042657, now seen corresponding path program 5 times [2022-12-12 12:16:51,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:16:51,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628519165] [2022-12-12 12:16:51,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:16:51,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:16:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:16:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:16:51,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:16:51,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628519165] [2022-12-12 12:16:51,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628519165] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:16:51,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461723422] [2022-12-12 12:16:51,641 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-12 12:16:51,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:16:51,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:16:51,669 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) [2022-12-12 12:16:51,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-12 12:16:52,012 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-12 12:16:52,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-12 12:16:52,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-12 12:16:52,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:16:52,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 12:16:52,687 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 [2022-12-12 12:16:52,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:16:52,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:16:52,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:16:52,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461723422] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:16:52,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:16:52,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-12 12:16:52,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609427832] [2022-12-12 12:16:52,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:16:52,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-12 12:16:52,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:16:52,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-12 12:16:52,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-12-12 12:16:52,741 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-12 12:16:52,745 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 872 places, 1926 transitions, 15007 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) [2022-12-12 12:16:52,746 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:16:52,746 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-12 12:16:52,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:17:09,770 INFO L130 PetriNetUnfolder]: 12308/91562 cut-off events. [2022-12-12 12:17:09,770 INFO L131 PetriNetUnfolder]: For 45021/89518 co-relation queries the response was YES. [2022-12-12 12:17:10,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156255 conditions, 91562 events. 12308/91562 cut-off events. For 45021/89518 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 1255815 event pairs, 164 based on Foata normal form. 2204/87065 useless extension candidates. Maximal degree in co-relation 43596. Up to 4816 conditions per place. [2022-12-12 12:17:10,263 INFO L137 encePairwiseOnDemand]: 823/838 looper letters, 547 selfloop transitions, 205 changer transitions 739/2234 dead transitions. [2022-12-12 12:17:10,263 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 895 places, 2234 transitions, 21586 flow [2022-12-12 12:17:10,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-12 12:17:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2022-12-12 12:17:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 18281 transitions. [2022-12-12 12:17:10,297 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9089598249801114 [2022-12-12 12:17:10,311 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 117 predicate places. [2022-12-12 12:17:10,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 895 places, 2234 transitions, 21586 flow [2022-12-12 12:17:10,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 887 places, 2234 transitions, 20636 flow, removed 440 selfloop flow, removed 8 redundant places. [2022-12-12 12:17:10,427 INFO L495 AbstractCegarLoop]: Abstraction has has 887 places, 2234 transitions, 20636 flow [2022-12-12 12:17:10,429 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) [2022-12-12 12:17:10,429 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:17:10,430 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:17:10,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-12 12:17:10,641 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 [2022-12-12 12:17:10,641 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)] === [2022-12-12 12:17:10,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:17:10,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1946044271, now seen corresponding path program 6 times [2022-12-12 12:17:10,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:17:10,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851958875] [2022-12-12 12:17:10,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:17:10,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:17:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:17:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:17:10,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:17:10,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851958875] [2022-12-12 12:17:10,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851958875] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:17:10,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187241598] [2022-12-12 12:17:10,972 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-12 12:17:10,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:17:10,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:17:10,973 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) [2022-12-12 12:17:10,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-12 12:17:11,321 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-12-12 12:17:11,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-12 12:17:11,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-12 12:17:11,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:17:11,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 12:17:11,943 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 [2022-12-12 12:17:11,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:17:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:17:11,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:17:11,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187241598] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:17:11,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:17:11,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-12 12:17:11,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464696327] [2022-12-12 12:17:11,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:17:11,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-12 12:17:11,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:17:11,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-12 12:17:11,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-12-12 12:17:11,994 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-12 12:17:11,998 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 887 places, 2234 transitions, 20636 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) [2022-12-12 12:17:11,998 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:17:11,998 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-12 12:17:11,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:17:35,037 INFO L130 PetriNetUnfolder]: 14149/108868 cut-off events. [2022-12-12 12:17:35,038 INFO L131 PetriNetUnfolder]: For 68338/119234 co-relation queries the response was YES. [2022-12-12 12:17:35,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 191586 conditions, 108868 events. 14149/108868 cut-off events. For 68338/119234 co-relation queries the response was YES. Maximal size of possible extension queue 879. Compared 1545175 event pairs, 169 based on Foata normal form. 748/101687 useless extension candidates. Maximal degree in co-relation 53620. Up to 9879 conditions per place. [2022-12-12 12:17:35,766 INFO L137 encePairwiseOnDemand]: 824/838 looper letters, 719 selfloop transitions, 91 changer transitions 834/2387 dead transitions. [2022-12-12 12:17:35,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 908 places, 2387 transitions, 26131 flow [2022-12-12 12:17:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-12 12:17:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-12-12 12:17:35,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 16742 transitions. [2022-12-12 12:17:35,774 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9081145584725537 [2022-12-12 12:17:35,775 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 130 predicate places. [2022-12-12 12:17:35,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 908 places, 2387 transitions, 26131 flow [2022-12-12 12:17:35,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 905 places, 2387 transitions, 24261 flow, removed 927 selfloop flow, removed 3 redundant places. [2022-12-12 12:17:35,856 INFO L495 AbstractCegarLoop]: Abstraction has has 905 places, 2387 transitions, 24261 flow [2022-12-12 12:17:35,857 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) [2022-12-12 12:17:35,857 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:17:35,858 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:17:35,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-12 12:17:36,067 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 [2022-12-12 12:17:36,068 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)] === [2022-12-12 12:17:36,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:17:36,069 INFO L85 PathProgramCache]: Analyzing trace with hash -882283057, now seen corresponding path program 7 times [2022-12-12 12:17:36,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:17:36,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138565968] [2022-12-12 12:17:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:17:36,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:17:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:17:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:17:36,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:17:36,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138565968] [2022-12-12 12:17:36,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138565968] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:17:36,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973513855] [2022-12-12 12:17:36,383 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-12 12:17:36,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:17:36,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:17:36,400 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) [2022-12-12 12:17:36,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-12 12:17:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:17:36,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-12 12:17:37,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:17:37,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 12:17:37,636 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 [2022-12-12 12:17:37,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:17:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:17:37,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:17:37,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973513855] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:17:37,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:17:37,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [6] total 16 [2022-12-12 12:17:37,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333123250] [2022-12-12 12:17:37,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:17:37,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-12 12:17:37,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:17:37,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-12 12:17:37,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-12-12 12:17:37,696 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 838 [2022-12-12 12:17:37,699 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 905 places, 2387 transitions, 24261 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) [2022-12-12 12:17:37,699 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:17:37,699 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 838 [2022-12-12 12:17:37,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:18:03,541 INFO L130 PetriNetUnfolder]: 14558/111866 cut-off events. [2022-12-12 12:18:03,542 INFO L131 PetriNetUnfolder]: For 83796/145892 co-relation queries the response was YES. [2022-12-12 12:18:04,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204424 conditions, 111866 events. 14558/111866 cut-off events. For 83796/145892 co-relation queries the response was YES. Maximal size of possible extension queue 916. Compared 1595999 event pairs, 218 based on Foata normal form. 890/104565 useless extension candidates. Maximal degree in co-relation 56519. Up to 9879 conditions per place. [2022-12-12 12:18:04,351 INFO L137 encePairwiseOnDemand]: 824/838 looper letters, 758 selfloop transitions, 106 changer transitions 858/2465 dead transitions. [2022-12-12 12:18:04,351 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 927 places, 2465 transitions, 28922 flow [2022-12-12 12:18:04,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-12 12:18:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2022-12-12 12:18:04,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 17499 transitions. [2022-12-12 12:18:04,361 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9079070250077825 [2022-12-12 12:18:04,362 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 149 predicate places. [2022-12-12 12:18:04,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 927 places, 2465 transitions, 28922 flow [2022-12-12 12:18:04,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 924 places, 2465 transitions, 25862 flow, removed 1522 selfloop flow, removed 3 redundant places. [2022-12-12 12:18:04,467 INFO L495 AbstractCegarLoop]: Abstraction has has 924 places, 2465 transitions, 25862 flow [2022-12-12 12:18:04,469 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) [2022-12-12 12:18:04,469 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:18:04,469 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:18:04,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-12-12 12:18:04,678 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 [2022-12-12 12:18:04,679 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)] === [2022-12-12 12:18:04,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:18:04,679 INFO L85 PathProgramCache]: Analyzing trace with hash 700148649, now seen corresponding path program 8 times [2022-12-12 12:18:04,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:18:04,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391224509] [2022-12-12 12:18:04,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:18:04,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:18:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:18:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:18:05,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:18:05,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391224509] [2022-12-12 12:18:05,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391224509] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:18:05,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719435745] [2022-12-12 12:18:05,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-12 12:18:05,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:18:05,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:18:05,031 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) [2022-12-12 12:18:05,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-12 12:18:05,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-12 12:18:05,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-12 12:18:05,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 86 conjunts are in the unsatisfiable core [2022-12-12 12:18:05,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:18:05,813 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:05,814 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 [2022-12-12 12:18:05,850 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:05,850 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 [2022-12-12 12:18:05,885 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:05,885 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 [2022-12-12 12:18:05,918 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:05,919 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 [2022-12-12 12:18:05,953 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:05,953 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 [2022-12-12 12:18:05,985 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:05,986 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 [2022-12-12 12:18:06,015 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,016 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 [2022-12-12 12:18:06,045 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,045 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 [2022-12-12 12:18:06,109 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,110 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 [2022-12-12 12:18:06,166 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,167 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 [2022-12-12 12:18:06,212 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,212 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 [2022-12-12 12:18:06,253 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,254 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 [2022-12-12 12:18:06,311 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:06,312 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 [2022-12-12 12:18:06,367 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:06,368 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 [2022-12-12 12:18:06,433 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,434 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 [2022-12-12 12:18:06,480 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,480 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 [2022-12-12 12:18:06,523 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,524 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 [2022-12-12 12:18:06,571 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,572 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 [2022-12-12 12:18:06,616 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:06,616 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 [2022-12-12 12:18:06,659 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:06,660 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 [2022-12-12 12:18:06,725 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:06,725 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 [2022-12-12 12:18:06,900 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:06,900 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 [2022-12-12 12:18:07,052 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:07,053 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 [2022-12-12 12:18:07,421 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:07,421 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 [2022-12-12 12:18:07,506 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:07,506 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 [2022-12-12 12:18:07,526 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-12 12:18:07,526 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 [2022-12-12 12:18:07,638 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 [2022-12-12 12:18:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 12:18:07,783 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 [2022-12-12 12:18:07,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:18:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:18:07,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:18:07,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719435745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:18:07,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:18:07,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2022-12-12 12:18:07,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176191242] [2022-12-12 12:18:07,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:18:07,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-12 12:18:07,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:18:07,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-12 12:18:07,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2022-12-12 12:18:07,842 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 694 out of 838 [2022-12-12 12:18:07,846 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 924 places, 2465 transitions, 25862 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) [2022-12-12 12:18:07,847 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:18:07,847 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 694 of 838 [2022-12-12 12:18:07,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 12:18:37,253 INFO L130 PetriNetUnfolder]: 15952/122327 cut-off events. [2022-12-12 12:18:37,254 INFO L131 PetriNetUnfolder]: For 93638/163370 co-relation queries the response was YES. [2022-12-12 12:18:37,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225483 conditions, 122327 events. 15952/122327 cut-off events. For 93638/163370 co-relation queries the response was YES. Maximal size of possible extension queue 997. Compared 1773288 event pairs, 161 based on Foata normal form. 1629/115044 useless extension candidates. Maximal degree in co-relation 57247. Up to 7006 conditions per place. [2022-12-12 12:18:38,150 INFO L137 encePairwiseOnDemand]: 815/838 looper letters, 783 selfloop transitions, 207 changer transitions 979/2660 dead transitions. [2022-12-12 12:18:38,150 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 957 places, 2660 transitions, 32714 flow [2022-12-12 12:18:38,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-12-12 12:18:38,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-12-12 12:18:38,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 23880 transitions. [2022-12-12 12:18:38,167 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8381300014039028 [2022-12-12 12:18:38,168 INFO L295 CegarLoopForPetriNet]: 778 programPoint places, 179 predicate places. [2022-12-12 12:18:38,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 957 places, 2660 transitions, 32714 flow [2022-12-12 12:18:38,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 946 places, 2660 transitions, 29365 flow, removed 1618 selfloop flow, removed 11 redundant places. [2022-12-12 12:18:38,299 INFO L495 AbstractCegarLoop]: Abstraction has has 946 places, 2660 transitions, 29365 flow [2022-12-12 12:18:38,301 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) [2022-12-12 12:18:38,301 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 12:18:38,301 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 12:18:38,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-12 12:18:38,509 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 [2022-12-12 12:18:38,511 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)] === [2022-12-12 12:18:38,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 12:18:38,511 INFO L85 PathProgramCache]: Analyzing trace with hash -753222743, now seen corresponding path program 9 times [2022-12-12 12:18:38,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 12:18:38,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449381077] [2022-12-12 12:18:38,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 12:18:38,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 12:18:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 12:18:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 12:18:38,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 12:18:38,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449381077] [2022-12-12 12:18:38,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449381077] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-12 12:18:38,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569679744] [2022-12-12 12:18:38,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-12 12:18:38,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-12 12:18:38,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 12:18:38,789 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) [2022-12-12 12:18:38,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-12 12:18:39,363 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-12 12:18:39,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-12 12:18:39,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 88 conjunts are in the unsatisfiable core [2022-12-12 12:18:39,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-12 12:18:39,697 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:39,698 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 [2022-12-12 12:18:39,747 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:39,747 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 [2022-12-12 12:18:40,037 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:40,037 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 [2022-12-12 12:18:40,077 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,077 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 [2022-12-12 12:18:40,116 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:40,117 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 [2022-12-12 12:18:40,157 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:40,157 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 [2022-12-12 12:18:40,198 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:40,198 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 [2022-12-12 12:18:40,236 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,237 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 [2022-12-12 12:18:40,277 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,277 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 [2022-12-12 12:18:40,311 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,312 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 [2022-12-12 12:18:40,349 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,350 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 [2022-12-12 12:18:40,389 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,390 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 [2022-12-12 12:18:40,424 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,424 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 [2022-12-12 12:18:40,466 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,467 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 [2022-12-12 12:18:40,504 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,505 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 [2022-12-12 12:18:40,546 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,547 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 [2022-12-12 12:18:40,586 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,587 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 [2022-12-12 12:18:40,627 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,627 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 [2022-12-12 12:18:40,669 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,670 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 [2022-12-12 12:18:40,712 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,713 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 [2022-12-12 12:18:40,751 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-12 12:18:40,752 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 [2022-12-12 12:18:40,927 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:40,927 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 [2022-12-12 12:18:41,079 INFO L321 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2022-12-12 12:18:41,080 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 [2022-12-12 12:18:41,420 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:41,420 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 26 treesize of output 38 [2022-12-12 12:18:41,499 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-12 12:18:41,499 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 [2022-12-12 12:18:41,518 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-12 12:18:41,518 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 [2022-12-12 12:18:41,639 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 [2022-12-12 12:18:41,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-12 12:18:41,779 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 [2022-12-12 12:18:41,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-12 12:18:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-12 12:18:41,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-12 12:18:41,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569679744] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 12:18:41,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-12 12:18:41,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2022-12-12 12:18:41,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973235311] [2022-12-12 12:18:41,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 12:18:41,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-12 12:18:41,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 12:18:41,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-12 12:18:41,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2022-12-12 12:18:41,844 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 694 out of 838 [2022-12-12 12:18:41,851 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 946 places, 2660 transitions, 29365 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) [2022-12-12 12:18:41,851 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 12:18:41,851 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 694 of 838 [2022-12-12 12:18:41,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand