/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:29:43,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:29:43,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:29:43,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:29:43,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:29:43,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:29:43,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:29:43,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:29:43,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:29:43,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:29:43,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:29:43,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:29:43,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:29:43,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:29:43,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:29:43,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:29:43,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:29:43,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:29:43,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:29:43,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:29:43,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:29:43,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:29:43,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:29:43,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:29:43,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:29:43,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:29:43,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:29:43,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:29:43,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:29:43,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:29:43,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:29:43,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:29:43,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:29:43,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:29:43,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:29:43,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:29:43,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:29:43,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:29:43,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:29:43,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:29:43,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:29:43,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-05 20:29:43,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:29:43,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:29:43,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:29:43,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:29:43,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:29:43,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:29:43,219 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:29:43,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:29:43,220 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:29:43,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:29:43,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:29:43,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:29:43,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:29:43,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:29:43,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:29:43,237 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:29:43,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:29:43,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:29:43,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:29:43,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:29:43,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:29:43,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:29:43,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:29:43,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:29:43,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:29:43,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:29:43,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:29:43,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:29:43,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:29:43,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:29:43,239 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:29:43,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:29:43,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:29:43,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:29:43,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:29:43,525 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:29:43,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2022-12-05 20:29:44,507 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:29:44,895 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:29:44,896 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2022-12-05 20:29:44,932 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd406684/9698e30fac0f4d228dce01229c46bb98/FLAG479b74bd7 [2022-12-05 20:29:44,948 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd406684/9698e30fac0f4d228dce01229c46bb98 [2022-12-05 20:29:44,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:29:44,950 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:29:44,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:29:44,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:29:44,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:29:44,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:29:44" (1/1) ... [2022-12-05 20:29:44,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543be5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:44, skipping insertion in model container [2022-12-05 20:29:44,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:29:44" (1/1) ... [2022-12-05 20:29:44,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:29:45,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:29:45,377 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5469,5482] [2022-12-05 20:29:45,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:45,617 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:45,622 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:45,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:45,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:45,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:45,635 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:45,636 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:45,641 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:45,642 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:45,647 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:45,647 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:45,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:45,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:45,657 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:45,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:45,672 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:29:45,677 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:45,682 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:45,691 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:45,805 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:29:45,811 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:29:45,963 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:29:46,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:46,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:46,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:46,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:46,091 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:46,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:46,319 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:29:46,323 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:29:46,328 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:29:46,461 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:29:46,461 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:29:46,464 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:29:46,465 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:29:46,667 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:29:47,203 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:29:47,210 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:29:47,259 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:29:47,261 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:29:47,410 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:29:47,520 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:29:47,523 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:29:47,627 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:29:47,741 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:29:47,741 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:29:47,741 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:29:48,418 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:29:48,419 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:48,422 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:48,426 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:48,435 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:48,891 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:29:48,891 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:29:48,914 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:29:48,914 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:29:48,915 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:29:48,916 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:29:48,917 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:29:48,917 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:29:48,920 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:29:48,920 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:29:48,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:29:48,955 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:29:48,981 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5469,5482] [2022-12-05 20:29:48,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:48,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:48,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:48,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:48,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:48,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:48,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:48,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:48,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:48,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:48,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:48,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:48,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:48,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:48,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:48,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:48,988 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:29:48,989 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:48,989 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:48,989 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:29:48,992 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:29:48,993 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:29:48,995 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:29:49,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:49,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:49,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:49,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:49,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:29:49,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:29:49,023 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:29:49,023 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:29:49,024 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:29:49,027 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:29:49,027 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:29:49,028 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:29:49,028 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:29:49,034 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:29:49,043 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:29:49,045 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:29:49,047 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:29:49,047 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:29:49,052 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:29:49,056 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:29:49,057 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:29:49,060 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:29:49,064 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:29:49,064 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:29:49,064 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:29:49,112 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:29:49,113 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:49,116 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:49,118 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:49,120 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:29:49,151 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:29:49,151 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:29:49,155 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:29:49,156 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:29:49,156 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:29:49,157 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:29:49,157 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:29:49,157 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:29:49,158 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:29:49,158 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:29:49,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:29:49,599 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:29:49,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49 WrapperNode [2022-12-05 20:29:49,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:29:49,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:29:49,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:29:49,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:29:49,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,725 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 75, statements flattened = 867 [2022-12-05 20:29:49,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:29:49,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:29:49,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:29:49,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:29:49,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,760 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:29:49,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:29:49,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:29:49,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:29:49,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (1/1) ... [2022-12-05 20:29:49,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:29:49,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:29:49,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 20:29:49,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 20:29:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:29:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-05 20:29:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:29:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-05 20:29:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-05 20:29:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 20:29:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:29:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 20:29:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 20:29:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:29:49,834 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:29:50,267 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:29:50,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:29:50,954 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:29:50,978 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:29:50,978 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2022-12-05 20:29:50,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:29:50 BoogieIcfgContainer [2022-12-05 20:29:50,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:29:50,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:29:50,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:29:50,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:29:50,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:29:44" (1/3) ... [2022-12-05 20:29:50,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61837296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:29:50, skipping insertion in model container [2022-12-05 20:29:50,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:29:49" (2/3) ... [2022-12-05 20:29:50,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61837296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:29:50, skipping insertion in model container [2022-12-05 20:29:50,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:29:50" (3/3) ... [2022-12-05 20:29:50,985 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2022-12-05 20:29:50,997 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:29:50,997 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-05 20:29:50,997 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:29:51,113 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 20:29:51,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 896 places, 963 transitions, 1942 flow [2022-12-05 20:29:51,368 INFO L130 PetriNetUnfolder]: 74/961 cut-off events. [2022-12-05 20:29:51,369 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:29:51,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 970 conditions, 961 events. 74/961 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1929 event pairs, 0 based on Foata normal form. 0/884 useless extension candidates. Maximal degree in co-relation 759. Up to 9 conditions per place. [2022-12-05 20:29:51,384 INFO L82 GeneralOperation]: Start removeDead. Operand has 896 places, 963 transitions, 1942 flow [2022-12-05 20:29:51,396 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 886 places, 953 transitions, 1915 flow [2022-12-05 20:29:51,398 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:29:51,413 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 886 places, 953 transitions, 1915 flow [2022-12-05 20:29:51,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 886 places, 953 transitions, 1915 flow [2022-12-05 20:29:51,616 INFO L130 PetriNetUnfolder]: 74/953 cut-off events. [2022-12-05 20:29:51,616 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:29:51,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 953 events. 74/953 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1808 event pairs, 0 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 759. Up to 9 conditions per place. [2022-12-05 20:29:51,648 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 886 places, 953 transitions, 1915 flow [2022-12-05 20:29:51,648 INFO L188 LiptonReduction]: Number of co-enabled transitions 67608 [2022-12-05 20:29:52,828 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:52,831 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:53,526 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:53,527 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:53,528 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:53,529 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:53,697 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:53,698 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:53,700 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:53,701 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:53,706 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:53,707 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:53,709 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:53,710 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:55,460 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:55,460 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:55,462 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:55,462 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:56,002 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:56,003 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:56,004 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:56,004 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:56,818 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:56,820 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:29:59,139 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:29:59,140 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:00,269 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:00,270 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:00,348 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:00,349 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:00,351 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:00,351 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:00,353 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:00,353 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:00,355 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:00,355 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:00,474 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:00,474 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:30:00,476 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:00,476 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:03,366 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:03,367 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:03,369 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:03,369 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:04,231 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:04,232 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:04,234 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:04,234 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:05,061 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:05,062 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:06,881 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:06,882 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:06,883 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:06,883 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:07,927 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:07,927 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:07,932 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:07,933 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:30:07,942 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:07,943 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-05 20:30:07,946 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:07,947 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-05 20:30:07,961 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:07,962 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:12,962 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:12,962 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:12,965 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:12,965 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:12,967 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:12,967 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:12,969 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:12,969 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:15,612 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:15,613 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:15,620 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:15,621 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:15,833 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:15,834 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:15,835 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:15,836 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:20,394 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:20,395 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:30:20,398 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:20,398 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 20:30:20,401 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:20,401 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:30:20,404 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:20,404 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:30:20,407 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:20,407 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-05 20:30:22,583 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:22,584 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:22,585 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:22,585 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:24,042 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:24,043 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:24,045 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:24,045 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:27,634 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:27,635 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:27,637 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:27,637 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:28,026 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:28,027 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:28,028 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:28,029 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:30,740 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:30,741 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:30,742 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:30,742 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:46,939 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:46,939 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:46,940 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:46,941 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:46,989 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:46,990 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:30:46,991 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:30:46,991 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:31:01,278 WARN L233 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 445 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:31:13,270 WARN L233 SmtUtils]: Spent 11.98s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:31:25,362 WARN L233 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 445 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:31:35,037 WARN L233 SmtUtils]: Spent 9.67s on a formula simplification that was a NOOP. DAG size: 381 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:32:09,331 WARN L233 SmtUtils]: Spent 34.26s on a formula simplification that was a NOOP. DAG size: 483 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:32:40,057 WARN L233 SmtUtils]: Spent 30.72s on a formula simplification that was a NOOP. DAG size: 459 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:33:19,737 WARN L233 SmtUtils]: Spent 39.68s on a formula simplification that was a NOOP. DAG size: 483 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:33:42,151 WARN L233 SmtUtils]: Spent 22.41s on a formula simplification that was a NOOP. DAG size: 459 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:33:45,728 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:45,729 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:33:45,732 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:45,733 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 20:33:45,737 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:45,738 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:33:45,742 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:45,745 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:33:45,748 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:33:45,748 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-05 20:35:44,560 WARN L233 SmtUtils]: Spent 1.98m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:36:51,453 WARN L233 SmtUtils]: Spent 1.11m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:38:47,283 WARN L233 SmtUtils]: Spent 1.93m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:39:49,711 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 581 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:39:52,876 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:52,877 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:39:52,880 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:52,881 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:06,579 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:06,579 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:06,582 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:06,582 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:07,929 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:07,930 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:16,757 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:16,758 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:16,760 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:16,760 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:16,764 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:16,764 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:16,769 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:16,769 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:16,772 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:16,772 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:16,774 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:40:16,775 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:40:42,801 WARN L233 SmtUtils]: Spent 6.75s on a formula simplification. DAG size of input: 243 DAG size of output: 234 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:40:51,138 WARN L233 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 272 DAG size of output: 263 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:41:08,009 WARN L233 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 275 DAG size of output: 266 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:41:20,305 WARN L233 SmtUtils]: Spent 9.10s on a formula simplification. DAG size of input: 229 DAG size of output: 225 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:41:28,289 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification. DAG size of input: 252 DAG size of output: 249 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:41:35,980 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 247 DAG size of output: 237 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:41:47,802 WARN L233 SmtUtils]: Spent 9.07s on a formula simplification. DAG size of input: 276 DAG size of output: 266 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:41:59,091 WARN L233 SmtUtils]: Spent 7.45s on a formula simplification. DAG size of input: 232 DAG size of output: 228 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:42:08,190 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 255 DAG size of output: 252 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:42:25,781 INFO L203 LiptonReduction]: Total number of compositions: 887 [2022-12-05 20:42:25,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:42:25,796 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;@2ecddc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:42:25,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-05 20:42:25,802 INFO L130 PetriNetUnfolder]: 2/6 cut-off events. [2022-12-05 20:42:25,803 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:42:25,803 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:42:25,803 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-05 20:42:25,804 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:42:25,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:42:25,807 INFO L85 PathProgramCache]: Analyzing trace with hash 3704564, now seen corresponding path program 1 times [2022-12-05 20:42:25,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:42:25,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877305236] [2022-12-05 20:42:25,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:42:25,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:42:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:42:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:42:26,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:42:26,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877305236] [2022-12-05 20:42:26,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877305236] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:42:26,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:42:26,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:42:26,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794593918] [2022-12-05 20:42:26,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:42:26,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 20:42:26,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:42:26,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 20:42:26,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 20:42:26,213 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 68 [2022-12-05 20:42:26,214 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 68 transitions, 145 flow. Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:42:26,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:42:26,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 68 [2022-12-05 20:42:26,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:42:26,866 INFO L130 PetriNetUnfolder]: 619/1097 cut-off events. [2022-12-05 20:42:26,867 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-12-05 20:42:26,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2246 conditions, 1097 events. 619/1097 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5022 event pairs, 609 based on Foata normal form. 0/651 useless extension candidates. Maximal degree in co-relation 2090. Up to 1098 conditions per place. [2022-12-05 20:42:26,872 INFO L137 encePairwiseOnDemand]: 55/68 looper letters, 54 selfloop transitions, 0 changer transitions 1/55 dead transitions. [2022-12-05 20:42:26,872 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 55 transitions, 229 flow [2022-12-05 20:42:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 20:42:26,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 20:42:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 68 transitions. [2022-12-05 20:42:26,881 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-05 20:42:26,882 INFO L175 Difference]: Start difference. First operand has 53 places, 68 transitions, 145 flow. Second operand 2 states and 68 transitions. [2022-12-05 20:42:26,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 55 transitions, 229 flow [2022-12-05 20:42:26,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 55 transitions, 224 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:42:26,886 INFO L231 Difference]: Finished difference. Result has 50 places, 54 transitions, 112 flow [2022-12-05 20:42:26,887 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=112, PETRI_PLACES=50, PETRI_TRANSITIONS=54} [2022-12-05 20:42:26,889 INFO L294 CegarLoopForPetriNet]: 53 programPoint places, -3 predicate places. [2022-12-05 20:42:26,889 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 54 transitions, 112 flow [2022-12-05 20:42:26,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:42:26,890 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:42:26,890 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:42:26,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:42:26,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:42:26,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:42:26,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1571384801, now seen corresponding path program 1 times [2022-12-05 20:42:26,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:42:26,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839236332] [2022-12-05 20:42:26,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:42:26,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:42:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:42:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:42:27,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:42:27,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839236332] [2022-12-05 20:42:27,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839236332] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:42:27,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:42:27,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:42:27,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858376824] [2022-12-05 20:42:27,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:42:27,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:42:27,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:42:27,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:42:27,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:42:27,393 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 68 [2022-12-05 20:42:27,393 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 54 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:42:27,393 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:42:27,393 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 68 [2022-12-05 20:42:27,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:42:27,907 INFO L130 PetriNetUnfolder]: 568/1011 cut-off events. [2022-12-05 20:42:27,907 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-05 20:42:27,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2060 conditions, 1011 events. 568/1011 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 4564 event pairs, 558 based on Foata normal form. 0/629 useless extension candidates. Maximal degree in co-relation 2057. Up to 1011 conditions per place. [2022-12-05 20:42:27,910 INFO L137 encePairwiseOnDemand]: 64/68 looper letters, 53 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2022-12-05 20:42:27,910 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 55 transitions, 224 flow [2022-12-05 20:42:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:42:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:42:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 57 transitions. [2022-12-05 20:42:27,912 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.27941176470588236 [2022-12-05 20:42:27,912 INFO L175 Difference]: Start difference. First operand has 50 places, 54 transitions, 112 flow. Second operand 3 states and 57 transitions. [2022-12-05 20:42:27,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 55 transitions, 224 flow [2022-12-05 20:42:27,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 55 transitions, 224 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 20:42:27,914 INFO L231 Difference]: Finished difference. Result has 52 places, 55 transitions, 126 flow [2022-12-05 20:42:27,914 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=52, PETRI_TRANSITIONS=55} [2022-12-05 20:42:27,914 INFO L294 CegarLoopForPetriNet]: 53 programPoint places, -1 predicate places. [2022-12-05 20:42:27,915 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 55 transitions, 126 flow [2022-12-05 20:42:27,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:42:27,915 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:42:27,915 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:42:27,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:42:27,916 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:42:27,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:42:27,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1802622866, now seen corresponding path program 1 times [2022-12-05 20:42:27,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:42:27,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955118727] [2022-12-05 20:42:27,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:42:27,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:42:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:42:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:42:28,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:42:28,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955118727] [2022-12-05 20:42:28,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955118727] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:42:28,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334843075] [2022-12-05 20:42:28,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:42:28,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:42:28,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:42:28,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-05 20:42:28,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-05 20:42:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:42:29,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-05 20:42:29,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:42:32,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 20:42:32,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:42:32,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334843075] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:42:32,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:42:32,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-12-05 20:42:32,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503551070] [2022-12-05 20:42:32,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:42:32,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:42:32,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:42:32,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:42:32,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 20:42:32,334 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 68 [2022-12-05 20:42:32,334 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 55 transitions, 126 flow. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:42:32,334 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:42:32,334 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 68 [2022-12-05 20:42:32,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:42:33,559 INFO L130 PetriNetUnfolder]: 669/1332 cut-off events. [2022-12-05 20:42:33,559 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-05 20:42:33,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2710 conditions, 1332 events. 669/1332 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7998 event pairs, 272 based on Foata normal form. 0/982 useless extension candidates. Maximal degree in co-relation 2705. Up to 934 conditions per place. [2022-12-05 20:42:33,563 INFO L137 encePairwiseOnDemand]: 50/68 looper letters, 64 selfloop transitions, 17 changer transitions 0/81 dead transitions. [2022-12-05 20:42:33,563 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 81 transitions, 341 flow [2022-12-05 20:42:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:42:33,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:42:33,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 81 transitions. [2022-12-05 20:42:33,564 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.39705882352941174 [2022-12-05 20:42:33,564 INFO L175 Difference]: Start difference. First operand has 52 places, 55 transitions, 126 flow. Second operand 3 states and 81 transitions. [2022-12-05 20:42:33,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 81 transitions, 341 flow [2022-12-05 20:42:33,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 81 transitions, 337 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-05 20:42:33,566 INFO L231 Difference]: Finished difference. Result has 54 places, 71 transitions, 239 flow [2022-12-05 20:42:33,566 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=68, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=54, PETRI_TRANSITIONS=71} [2022-12-05 20:42:33,566 INFO L294 CegarLoopForPetriNet]: 53 programPoint places, 1 predicate places. [2022-12-05 20:42:33,566 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 71 transitions, 239 flow [2022-12-05 20:42:33,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:42:33,566 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:42:33,567 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:42:33,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-05 20:42:33,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:42:33,773 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-05 20:42:33,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:42:33,773 INFO L85 PathProgramCache]: Analyzing trace with hash 46741097, now seen corresponding path program 1 times [2022-12-05 20:42:33,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:42:33,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030206477] [2022-12-05 20:42:33,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:42:33,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:42:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:42:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:42:34,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:42:34,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030206477] [2022-12-05 20:42:34,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030206477] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:42:34,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033129338] [2022-12-05 20:42:34,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:42:34,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:42:34,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:42:34,308 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) [2022-12-05 20:42:34,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-05 20:42:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:42:34,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-05 20:42:34,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:42:35,360 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. Received shutdown request... [2022-12-05 20:43:43,651 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-05 20:43:43,651 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-05 20:43:44,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-05 20:43:44,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown