/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_configure_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:34:24,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:34:24,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:34:24,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:34:24,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:34:24,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:34:24,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:34:24,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:34:24,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:34:24,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:34:24,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:34:24,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:34:24,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:34:24,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:34:24,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:34:24,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:34:24,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:34:24,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:34:24,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:34:24,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:34:24,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:34:24,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:34:24,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:34:24,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:34:24,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:34:24,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:34:24,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:34:24,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:34:24,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:34:24,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:34:24,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:34:24,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:34:24,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:34:24,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:34:24,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:34:24,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:34:24,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:34:24,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:34:24,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:34:24,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:34:24,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:34:24,089 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 20:34:24,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:34:24,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:34:24,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:34:24,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:34:24,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:34:24,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:34:24,116 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:34:24,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:34:24,116 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:34:24,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:34:24,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:34:24,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:34:24,118 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:34:24,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:34:24,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:34:24,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:34:24,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:34:24,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:34:24,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:34:24,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:34:24,119 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:34:24,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:34:24,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:34:24,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:34:24,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:34:24,371 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:34:24,371 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:34:24,372 INFO L432 ainManager$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_set.i [2022-12-05 20:34:25,262 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:34:25,652 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:34:25,652 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2022-12-05 20:34:25,681 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae31022d/fc2ac08167e044cd9dfa9fb5da34bf8a/FLAG5a1bb61f8 [2022-12-05 20:34:25,690 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae31022d/fc2ac08167e044cd9dfa9fb5da34bf8a [2022-12-05 20:34:25,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:34:25,694 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:34:25,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:34:25,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:34:25,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:34:25,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:34:25" (1/1) ... [2022-12-05 20:34:25,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bfbe70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:25, skipping insertion in model container [2022-12-05 20:34:25,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:34:25" (1/1) ... [2022-12-05 20:34:25,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:34:25,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:34:26,035 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_set.i[5469,5482] [2022-12-05 20:34:26,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,295 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,295 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,315 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,316 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,319 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,335 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:34:26,342 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:26,347 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:26,356 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:26,481 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:34:26,491 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:34:26,615 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:34:26,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:26,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:26,854 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:34:26,857 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:34:26,860 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:34:26,935 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:34:26,935 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:34:26,938 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:34:26,938 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:34:27,067 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:34:27,385 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:34:27,392 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:34:27,438 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:34:27,441 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:34:27,635 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:34:27,761 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:34:27,764 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:34:27,889 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:34:28,030 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:34:28,031 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:34:28,031 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:34:28,700 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:34:28,700 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:28,704 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:28,709 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:28,713 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:29,056 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:34:29,056 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:34:29,080 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:34:29,081 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:34:29,082 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:34:29,083 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:34:29,084 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:34:29,084 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:34:29,086 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:34:29,086 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:34:29,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:34:29,124 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:34:29,141 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_set.i[5469,5482] [2022-12-05 20:34:29,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,151 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:34:29,151 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:29,152 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:29,152 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:29,155 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:34:29,156 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:34:29,159 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:34:29,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:29,171 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:29,186 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:34:29,187 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:34:29,187 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:34:29,190 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:34:29,190 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:34:29,191 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:34:29,191 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:34:29,196 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:34:29,206 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:34:29,207 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:34:29,208 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:34:29,209 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:34:29,214 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:34:29,217 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:34:29,218 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:34:29,221 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:34:29,224 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:34:29,225 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:34:29,225 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:34:29,282 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:34:29,283 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:29,285 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:29,288 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:29,290 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:29,320 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:34:29,320 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:34:29,325 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:34:29,326 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:34:29,326 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:34:29,327 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:34:29,327 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:34:29,328 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:34:29,328 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:34:29,328 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:34:29,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:34:29,638 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:34:29,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29 WrapperNode [2022-12-05 20:34:29,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:34:29,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:34:29,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:34:29,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:34:29,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,747 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 72, statements flattened = 814 [2022-12-05 20:34:29,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:34:29,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:34:29,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:34:29,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:34:29,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,780 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:34:29,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:34:29,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:34:29,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:34:29,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (1/1) ... [2022-12-05 20:34:29,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:34:29,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:34:29,827 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 20:34:29,852 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 20:34:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:34:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 20:34:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:34:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-05 20:34:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-05 20:34:29,872 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2022-12-05 20:34:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:34:29,874 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 20:34:30,304 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:34:30,306 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:34:30,834 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:34:30,880 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:34:30,880 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2022-12-05 20:34:30,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:34:30 BoogieIcfgContainer [2022-12-05 20:34:30,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:34:30,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:34:30,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:34:30,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:34:30,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:34:25" (1/3) ... [2022-12-05 20:34:30,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e8d62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:34:30, skipping insertion in model container [2022-12-05 20:34:30,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:29" (2/3) ... [2022-12-05 20:34:30,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e8d62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:34:30, skipping insertion in model container [2022-12-05 20:34:30,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:34:30" (3/3) ... [2022-12-05 20:34:30,887 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2022-12-05 20:34:30,898 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:34:30,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 20:34:30,898 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:34:30,979 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 20:34:31,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 840 places, 899 transitions, 1814 flow [2022-12-05 20:34:31,175 INFO L130 PetriNetUnfolder]: 66/897 cut-off events. [2022-12-05 20:34:31,175 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:34:31,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 906 conditions, 897 events. 66/897 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1636 event pairs, 0 based on Foata normal form. 0/829 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-05 20:34:31,185 INFO L82 GeneralOperation]: Start removeDead. Operand has 840 places, 899 transitions, 1814 flow [2022-12-05 20:34:31,193 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 830 places, 889 transitions, 1787 flow [2022-12-05 20:34:31,194 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:34:31,205 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 830 places, 889 transitions, 1787 flow [2022-12-05 20:34:31,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 830 places, 889 transitions, 1787 flow [2022-12-05 20:34:31,365 INFO L130 PetriNetUnfolder]: 66/889 cut-off events. [2022-12-05 20:34:31,365 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:34:31,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 897 conditions, 889 events. 66/889 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1507 event pairs, 0 based on Foata normal form. 0/821 useless extension candidates. Maximal degree in co-relation 719. Up to 9 conditions per place. [2022-12-05 20:34:31,391 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 830 places, 889 transitions, 1787 flow [2022-12-05 20:34:31,391 INFO L188 LiptonReduction]: Number of co-enabled transitions 45480 [2022-12-05 20:34:33,021 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:33,022 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:34,389 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:34,390 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:34,391 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:34,391 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:35,390 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:35,391 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:35,734 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:35,735 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:35,736 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:35,737 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:35,959 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:35,959 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:36,468 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:36,469 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:36,470 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:36,470 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:36,840 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:36,841 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:36,842 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:36,843 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:37,654 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:37,654 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:37,657 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:37,658 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:37,977 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:37,978 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:37,979 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:37,979 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:39,291 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:39,292 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:39,293 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:39,293 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:40,161 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:40,162 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:40,168 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:40,168 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:40,723 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:40,723 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:41,465 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:41,465 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:41,467 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:41,468 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:41,469 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:41,470 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:41,472 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:41,472 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:42,697 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:42,697 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:42,698 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:42,699 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:43,214 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:43,214 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:43,215 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:43,216 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:44,480 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:44,482 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:44,939 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:44,939 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:44,941 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:44,942 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:45,471 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:45,472 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:45,473 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:45,473 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:45,475 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:45,475 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:45,476 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:45,477 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:46,635 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:46,636 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:46,637 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:46,637 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:47,262 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:47,265 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:47,266 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:47,267 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:48,905 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:48,905 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:48,908 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:48,908 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:55,003 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:55,003 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:55,006 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:55,006 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:55,409 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:55,412 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:55,414 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:55,414 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:56,559 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:56,559 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:56,561 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:56,562 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:56,863 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:56,863 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:56,865 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:56,866 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:00,553 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:00,554 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:00,555 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:00,556 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:00,959 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:00,960 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:00,961 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:00,961 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:01,216 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:01,216 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-05 20:35:01,217 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:01,218 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:01,478 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:01,479 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-05 20:35:01,480 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:01,481 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:05,956 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:05,957 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:35:05,959 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:05,959 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:06,477 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:06,477 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:07,550 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:07,551 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:07,553 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:07,554 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:09,333 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:09,334 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:09,335 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:09,337 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:10,159 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:10,160 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:10,162 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:10,162 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:25,782 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:25,782 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:25,784 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:35:25,785 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:47,283 WARN L233 SmtUtils]: Spent 20.38s on a formula simplification that was a NOOP. DAG size: 392 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:35:58,350 WARN L233 SmtUtils]: Spent 11.06s on a formula simplification that was a NOOP. DAG size: 360 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:36:19,078 WARN L233 SmtUtils]: Spent 20.73s on a formula simplification that was a NOOP. DAG size: 392 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:36:31,586 WARN L233 SmtUtils]: Spent 12.50s on a formula simplification that was a NOOP. DAG size: 360 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:36:32,295 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:32,296 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:36:32,297 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:32,297 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:36:32,298 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:32,299 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:36:32,300 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:32,300 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:36:32,662 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:32,662 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:36:32,664 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:32,665 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:36:33,191 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:33,192 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:36:33,194 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:33,195 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 20:36:33,197 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:33,198 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:36:38,953 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:38,954 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2022-12-05 20:36:38,957 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:36:38,958 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2022-12-05 20:37:24,131 WARN L233 SmtUtils]: Spent 45.09s on a formula simplification that was a NOOP. DAG size: 522 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:38:12,008 WARN L233 SmtUtils]: Spent 47.87s on a formula simplification that was a NOOP. DAG size: 514 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:39:03,274 WARN L233 SmtUtils]: Spent 51.26s on a formula simplification that was a NOOP. DAG size: 522 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:39:47,163 WARN L233 SmtUtils]: Spent 43.89s on a formula simplification that was a NOOP. DAG size: 514 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:39:47,260 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:47,261 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:39:47,265 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:47,265 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 20:39:47,268 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:47,269 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:39:47,272 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:47,274 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:39:47,277 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:39:47,280 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-05 20:41:55,418 WARN L233 SmtUtils]: Spent 2.13m 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 20:42:57,914 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 20:43:38,512 WARN L233 SmtUtils]: Spent 40.59s 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 20:43:59,236 WARN L233 SmtUtils]: Spent 20.72s 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 20:44:06,100 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:06,100 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:06,102 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:06,103 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:08,341 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:08,342 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:09,590 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:09,591 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:13,813 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:13,814 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:13,816 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:13,816 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:55,546 WARN L233 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 253 DAG size of output: 250 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:45:24,243 WARN L233 SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 250 DAG size of output: 247 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:45:45,896 WARN L233 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 253 DAG size of output: 237 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:45:55,012 WARN L233 SmtUtils]: Spent 6.62s on a formula simplification. DAG size of input: 282 DAG size of output: 266 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:46:11,275 WARN L233 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 279 DAG size of output: 263 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:46:19,609 WARN L233 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 254 DAG size of output: 237 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:46:28,980 WARN L233 SmtUtils]: Spent 7.11s on a formula simplification. DAG size of input: 283 DAG size of output: 266 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:46:38,761 INFO L203 LiptonReduction]: Total number of compositions: 829 [2022-12-05 20:46:38,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:46:38,781 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;@6e26d7ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:46:38,781 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-05 20:46:38,786 INFO L130 PetriNetUnfolder]: 2/6 cut-off events. [2022-12-05 20:46:38,786 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:46:38,787 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:46:38,787 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-05 20:46:38,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:46:38,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:46:38,790 INFO L85 PathProgramCache]: Analyzing trace with hash 3420429, now seen corresponding path program 1 times [2022-12-05 20:46:38,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:46:38,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183225892] [2022-12-05 20:46:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:38,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:46:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:46:39,188 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 20:46:39,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:46:39,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183225892] [2022-12-05 20:46:39,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183225892] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:46:39,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:46:39,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:46:39,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119144098] [2022-12-05 20:46:39,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:46:39,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 20:46:39,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:46:39,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 20:46:39,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 20:46:39,209 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 65 [2022-12-05 20:46:39,210 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 65 transitions, 139 flow. Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 20:46:39,210 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:46:39,210 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 65 [2022-12-05 20:46:39,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:46:39,787 INFO L130 PetriNetUnfolder]: 415/752 cut-off events. [2022-12-05 20:46:39,788 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-12-05 20:46:39,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1540 conditions, 752 events. 415/752 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3581 event pairs, 405 based on Foata normal form. 0/438 useless extension candidates. Maximal degree in co-relation 1339. Up to 750 conditions per place. [2022-12-05 20:46:39,791 INFO L137 encePairwiseOnDemand]: 52/65 looper letters, 48 selfloop transitions, 0 changer transitions 3/52 dead transitions. [2022-12-05 20:46:39,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 52 transitions, 215 flow [2022-12-05 20:46:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 20:46:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 20:46:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 66 transitions. [2022-12-05 20:46:39,802 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5076923076923077 [2022-12-05 20:46:39,803 INFO L175 Difference]: Start difference. First operand has 50 places, 65 transitions, 139 flow. Second operand 2 states and 66 transitions. [2022-12-05 20:46:39,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 52 transitions, 215 flow [2022-12-05 20:46:39,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 52 transitions, 210 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:46:39,807 INFO L231 Difference]: Finished difference. Result has 47 places, 49 transitions, 101 flow [2022-12-05 20:46:39,808 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=47, PETRI_TRANSITIONS=49} [2022-12-05 20:46:39,812 INFO L294 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2022-12-05 20:46:39,812 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 49 transitions, 101 flow [2022-12-05 20:46:39,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 20:46:39,812 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:46:39,812 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:46:39,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:46:39,813 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:46:39,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:46:39,813 INFO L85 PathProgramCache]: Analyzing trace with hash -998300852, now seen corresponding path program 1 times [2022-12-05 20:46:39,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:46:39,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669336516] [2022-12-05 20:46:39,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:46:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:46:40,392 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 20:46:40,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:46:40,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669336516] [2022-12-05 20:46:40,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669336516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:46:40,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:46:40,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:46:40,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427680059] [2022-12-05 20:46:40,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:46:40,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:46:40,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:46:40,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:46:40,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:46:40,396 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 65 [2022-12-05 20:46:40,396 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 49 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 20:46:40,396 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:46:40,396 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 65 [2022-12-05 20:46:40,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:46:41,159 INFO L130 PetriNetUnfolder]: 332/600 cut-off events. [2022-12-05 20:46:41,159 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:46:41,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1215 conditions, 600 events. 332/600 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2798 event pairs, 322 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 1212. Up to 597 conditions per place. [2022-12-05 20:46:41,161 INFO L137 encePairwiseOnDemand]: 61/65 looper letters, 47 selfloop transitions, 2 changer transitions 0/50 dead transitions. [2022-12-05 20:46:41,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 50 transitions, 201 flow [2022-12-05 20:46:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:46:41,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:46:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-05 20:46:41,163 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.27692307692307694 [2022-12-05 20:46:41,163 INFO L175 Difference]: Start difference. First operand has 47 places, 49 transitions, 101 flow. Second operand 3 states and 54 transitions. [2022-12-05 20:46:41,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 50 transitions, 201 flow [2022-12-05 20:46:41,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 50 transitions, 201 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 20:46:41,164 INFO L231 Difference]: Finished difference. Result has 47 places, 50 transitions, 115 flow [2022-12-05 20:46:41,165 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=47, PETRI_TRANSITIONS=50} [2022-12-05 20:46:41,165 INFO L294 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2022-12-05 20:46:41,165 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 50 transitions, 115 flow [2022-12-05 20:46:41,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 20:46:41,165 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:46:41,165 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:46:41,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:46:41,167 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:46:41,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:46:41,168 INFO L85 PathProgramCache]: Analyzing trace with hash -592452891, now seen corresponding path program 1 times [2022-12-05 20:46:41,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:46:41,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279157904] [2022-12-05 20:46:41,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:41,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:46:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:46:41,673 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 20:46:41,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:46:41,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279157904] [2022-12-05 20:46:41,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279157904] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:46:41,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679433529] [2022-12-05 20:46:41,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:41,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:46:41,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:46:41,676 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 20:46:41,677 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 20:46:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:46:42,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-05 20:46:42,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:46:42,298 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 20:46:42,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 20:46:42,321 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 20:46:42,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679433529] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 20:46:42,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 20:46:42,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-12-05 20:46:42,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951204430] [2022-12-05 20:46:42,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 20:46:42,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-05 20:46:42,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:46:42,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-05 20:46:42,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-12-05 20:46:42,323 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 65 [2022-12-05 20:46:42,323 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 50 transitions, 115 flow. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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 20:46:42,323 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:46:42,323 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 65 [2022-12-05 20:46:42,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:46:43,318 INFO L130 PetriNetUnfolder]: 332/605 cut-off events. [2022-12-05 20:46:43,318 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:46:43,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1236 conditions, 605 events. 332/605 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2829 event pairs, 322 based on Foata normal form. 0/383 useless extension candidates. Maximal degree in co-relation 1231. Up to 592 conditions per place. [2022-12-05 20:46:43,321 INFO L137 encePairwiseOnDemand]: 57/65 looper letters, 42 selfloop transitions, 12 changer transitions 0/55 dead transitions. [2022-12-05 20:46:43,321 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 55 transitions, 239 flow [2022-12-05 20:46:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-05 20:46:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-05 20:46:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 71 transitions. [2022-12-05 20:46:43,322 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.15604395604395604 [2022-12-05 20:46:43,322 INFO L175 Difference]: Start difference. First operand has 47 places, 50 transitions, 115 flow. Second operand 7 states and 71 transitions. [2022-12-05 20:46:43,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 55 transitions, 239 flow [2022-12-05 20:46:43,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 55 transitions, 235 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-05 20:46:43,323 INFO L231 Difference]: Finished difference. Result has 52 places, 55 transitions, 155 flow [2022-12-05 20:46:43,324 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=155, PETRI_PLACES=52, PETRI_TRANSITIONS=55} [2022-12-05 20:46:43,324 INFO L294 CegarLoopForPetriNet]: 50 programPoint places, 2 predicate places. [2022-12-05 20:46:43,324 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 55 transitions, 155 flow [2022-12-05 20:46:43,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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 20:46:43,324 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:46:43,324 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:46:43,347 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 20:46:43,550 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 20:46:43,551 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:46:43,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:46:43,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1434533492, now seen corresponding path program 2 times [2022-12-05 20:46:43,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:46:43,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230071292] [2022-12-05 20:46:43,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:43,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:46:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:46:44,156 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:46:44,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:46:44,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230071292] [2022-12-05 20:46:44,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230071292] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:46:44,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817908430] [2022-12-05 20:46:44,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-05 20:46:44,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:46:44,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:46:44,158 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 20:46:44,162 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 20:46:44,788 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-05 20:46:44,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-05 20:46:44,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-05 20:46:44,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:46:44,841 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-05 20:46:44,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2022-12-05 20:46:44,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-05 20:46:44,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-05 20:46:44,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-05 20:46:44,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:46:44,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817908430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:46:44,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:46:44,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 9 [2022-12-05 20:46:44,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427728236] [2022-12-05 20:46:44,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:46:44,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 20:46:44,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:46:44,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 20:46:44,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-05 20:46:44,874 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 65 [2022-12-05 20:46:44,874 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 55 transitions, 155 flow. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 20:46:44,874 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:46:44,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 65 [2022-12-05 20:46:44,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:46:45,813 INFO L130 PetriNetUnfolder]: 397/737 cut-off events. [2022-12-05 20:46:45,813 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:46:45,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 737 events. 397/737 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3511 event pairs, 226 based on Foata normal form. 36/512 useless extension candidates. Maximal degree in co-relation 1514. Up to 429 conditions per place. [2022-12-05 20:46:45,817 INFO L137 encePairwiseOnDemand]: 46/65 looper letters, 59 selfloop transitions, 18 changer transitions 16/93 dead transitions. [2022-12-05 20:46:45,817 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 93 transitions, 421 flow [2022-12-05 20:46:45,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 20:46:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 20:46:45,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2022-12-05 20:46:45,821 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3384615384615385 [2022-12-05 20:46:45,821 INFO L175 Difference]: Start difference. First operand has 52 places, 55 transitions, 155 flow. Second operand 4 states and 88 transitions. [2022-12-05 20:46:45,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 93 transitions, 421 flow [2022-12-05 20:46:45,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 93 transitions, 398 flow, removed 7 selfloop flow, removed 3 redundant places. [2022-12-05 20:46:45,824 INFO L231 Difference]: Finished difference. Result has 53 places, 71 transitions, 251 flow [2022-12-05 20:46:45,824 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=251, PETRI_PLACES=53, PETRI_TRANSITIONS=71} [2022-12-05 20:46:45,825 INFO L294 CegarLoopForPetriNet]: 50 programPoint places, 3 predicate places. [2022-12-05 20:46:45,825 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 71 transitions, 251 flow [2022-12-05 20:46:45,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 20:46:45,825 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:46:45,825 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:46:45,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-05 20:46:46,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-12-05 20:46:46,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:46:46,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:46:46,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1520876521, now seen corresponding path program 1 times [2022-12-05 20:46:46,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:46:46,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119757418] [2022-12-05 20:46:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:46,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:46:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:46:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:46:46,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:46:46,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119757418] [2022-12-05 20:46:46,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119757418] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:46:46,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103376550] [2022-12-05 20:46:46,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:46,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:46:46,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:46:46,596 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) [2022-12-05 20:46:46,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-05 20:46:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:46:47,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 525 conjunts are in the unsatisfiable core [2022-12-05 20:46:47,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:46:48,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:48,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:48,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:48,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:48,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:48,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:48,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:48,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:46:56,295 WARN L233 SmtUtils]: Spent 7.66s on a formula simplification. DAG size of input: 1636 DAG size of output: 163 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-05 20:46:56,296 INFO L321 Elim1Store]: treesize reduction 10981, result has 2.3 percent of original size [2022-12-05 20:46:56,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 21 select indices, 21 select index equivalence classes, 5 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 248 case distinctions, treesize of input 1098 treesize of output 1257 [2022-12-05 20:46:57,080 INFO L321 Elim1Store]: treesize reduction 83, result has 27.2 percent of original size [2022-12-05 20:46:57,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 357 treesize of output 364 [2022-12-05 20:46:57,114 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-05 20:46:57,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 310 [2022-12-05 20:46:57,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 299 [2022-12-05 20:46:57,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 293 [2022-12-05 20:46:57,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 287 [2022-12-05 20:46:57,197 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-05 20:46:57,202 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-12-05 20:46:57,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-05 20:46:57,281 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-12-05 20:46:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-05 20:46:57,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:46:57,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103376550] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:46:57,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:46:57,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2022-12-05 20:46:57,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149094408] [2022-12-05 20:46:57,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:46:57,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-05 20:46:57,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:46:57,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-05 20:46:57,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-12-05 20:46:57,302 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 65 [2022-12-05 20:46:57,302 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 71 transitions, 251 flow. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 20:46:57,302 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:46:57,302 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 65 [2022-12-05 20:46:57,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:46:59,324 INFO L130 PetriNetUnfolder]: 364/699 cut-off events. [2022-12-05 20:46:59,332 INFO L131 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2022-12-05 20:46:59,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1811 conditions, 699 events. 364/699 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 3352 event pairs, 221 based on Foata normal form. 5/486 useless extension candidates. Maximal degree in co-relation 1805. Up to 407 conditions per place. [2022-12-05 20:46:59,335 INFO L137 encePairwiseOnDemand]: 39/65 looper letters, 38 selfloop transitions, 39 changer transitions 30/107 dead transitions. [2022-12-05 20:46:59,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 107 transitions, 601 flow [2022-12-05 20:46:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:46:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:46:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 88 transitions. [2022-12-05 20:46:59,337 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.22564102564102564 [2022-12-05 20:46:59,337 INFO L175 Difference]: Start difference. First operand has 53 places, 71 transitions, 251 flow. Second operand 6 states and 88 transitions. [2022-12-05 20:46:59,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 107 transitions, 601 flow [2022-12-05 20:46:59,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 107 transitions, 582 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-05 20:46:59,343 INFO L231 Difference]: Finished difference. Result has 57 places, 71 transitions, 346 flow [2022-12-05 20:46:59,343 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=346, PETRI_PLACES=57, PETRI_TRANSITIONS=71} [2022-12-05 20:46:59,345 INFO L294 CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places. [2022-12-05 20:46:59,345 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 71 transitions, 346 flow [2022-12-05 20:46:59,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 20:46:59,345 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:46:59,345 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:46:59,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-05 20:46:59,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:46:59,555 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:46:59,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:46:59,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1730421009, now seen corresponding path program 1 times [2022-12-05 20:46:59,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:46:59,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246076663] [2022-12-05 20:46:59,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:46:59,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:47:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:47:00,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:47:00,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246076663] [2022-12-05 20:47:00,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246076663] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:47:00,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374945722] [2022-12-05 20:47:00,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:00,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:47:00,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:47:00,458 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) [2022-12-05 20:47:00,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-05 20:47:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:02,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-05 20:47:02,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:47:02,346 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 9 treesize of output 3 [2022-12-05 20:47:02,396 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-05 20:47:02,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 395 treesize of output 395 [2022-12-05 20:47:02,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 389 treesize of output 389 [2022-12-05 20:47:02,655 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-05 20:47:02,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 393 treesize of output 387 [2022-12-05 20:47:02,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 369 treesize of output 353 [2022-12-05 20:47:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-05 20:47:02,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:47:02,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374945722] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:47:02,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:47:02,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 10 [2022-12-05 20:47:02,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617886782] [2022-12-05 20:47:02,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:47:02,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 20:47:02,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:47:02,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 20:47:02,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-05 20:47:02,709 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 65 [2022-12-05 20:47:02,709 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 71 transitions, 346 flow. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 20:47:02,709 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:47:02,709 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 65 [2022-12-05 20:47:02,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:47:03,924 INFO L130 PetriNetUnfolder]: 110/277 cut-off events. [2022-12-05 20:47:03,924 INFO L131 PetriNetUnfolder]: For 59/59 co-relation queries the response was YES. [2022-12-05 20:47:03,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 901 conditions, 277 events. 110/277 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1257 event pairs, 70 based on Foata normal form. 30/247 useless extension candidates. Maximal degree in co-relation 894. Up to 126 conditions per place. [2022-12-05 20:47:03,925 INFO L137 encePairwiseOnDemand]: 60/65 looper letters, 50 selfloop transitions, 4 changer transitions 25/79 dead transitions. [2022-12-05 20:47:03,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 79 transitions, 534 flow [2022-12-05 20:47:03,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 20:47:03,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 20:47:03,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 72 transitions. [2022-12-05 20:47:03,927 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.22153846153846155 [2022-12-05 20:47:03,927 INFO L175 Difference]: Start difference. First operand has 57 places, 71 transitions, 346 flow. Second operand 5 states and 72 transitions. [2022-12-05 20:47:03,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 79 transitions, 534 flow [2022-12-05 20:47:03,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 79 transitions, 486 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-05 20:47:03,929 INFO L231 Difference]: Finished difference. Result has 57 places, 54 transitions, 210 flow [2022-12-05 20:47:03,930 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=210, PETRI_PLACES=57, PETRI_TRANSITIONS=54} [2022-12-05 20:47:03,930 INFO L294 CegarLoopForPetriNet]: 50 programPoint places, 7 predicate places. [2022-12-05 20:47:03,930 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 54 transitions, 210 flow [2022-12-05 20:47:03,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 20:47:03,930 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:47:03,930 INFO L213 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:47:03,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-05 20:47:04,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:47:04,135 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:47:04,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:47:04,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1274162631, now seen corresponding path program 1 times [2022-12-05 20:47:04,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:47:04,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817072958] [2022-12-05 20:47:04,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:04,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:47:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:47:05,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:47:05,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817072958] [2022-12-05 20:47:05,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817072958] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:47:05,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33351280] [2022-12-05 20:47:05,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:05,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:47:05,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:47:05,239 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) [2022-12-05 20:47:05,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-05 20:47:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:06,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-05 20:47:06,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:47:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:47:06,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-05 20:47:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:47:06,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33351280] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-05 20:47:06,252 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-05 20:47:06,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2022-12-05 20:47:06,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086121504] [2022-12-05 20:47:06,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-05 20:47:06,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-05 20:47:06,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:47:06,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-05 20:47:06,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-12-05 20:47:06,253 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 65 [2022-12-05 20:47:06,253 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 54 transitions, 210 flow. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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 20:47:06,253 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:47:06,253 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 65 [2022-12-05 20:47:06,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:47:08,489 INFO L130 PetriNetUnfolder]: 42/139 cut-off events. [2022-12-05 20:47:08,490 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-05 20:47:08,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 139 events. 42/139 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 531 event pairs, 32 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 455. Up to 124 conditions per place. [2022-12-05 20:47:08,490 INFO L137 encePairwiseOnDemand]: 57/65 looper letters, 45 selfloop transitions, 17 changer transitions 0/63 dead transitions. [2022-12-05 20:47:08,491 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 63 transitions, 370 flow [2022-12-05 20:47:08,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-05 20:47:08,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-05 20:47:08,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 92 transitions. [2022-12-05 20:47:08,492 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.11794871794871795 [2022-12-05 20:47:08,492 INFO L175 Difference]: Start difference. First operand has 57 places, 54 transitions, 210 flow. Second operand 12 states and 92 transitions. [2022-12-05 20:47:08,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 63 transitions, 370 flow [2022-12-05 20:47:08,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 63 transitions, 313 flow, removed 15 selfloop flow, removed 7 redundant places. [2022-12-05 20:47:08,494 INFO L231 Difference]: Finished difference. Result has 67 places, 63 transitions, 285 flow [2022-12-05 20:47:08,494 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=285, PETRI_PLACES=67, PETRI_TRANSITIONS=63} [2022-12-05 20:47:08,495 INFO L294 CegarLoopForPetriNet]: 50 programPoint places, 17 predicate places. [2022-12-05 20:47:08,495 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 63 transitions, 285 flow [2022-12-05 20:47:08,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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 20:47:08,495 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:47:08,495 INFO L213 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:47:08,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-05 20:47:08,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:47:08,706 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:47:08,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:47:08,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2128774361, now seen corresponding path program 2 times [2022-12-05 20:47:08,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:47:08,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224894832] [2022-12-05 20:47:08,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:08,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:47:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:47:09,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:47:09,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224894832] [2022-12-05 20:47:09,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224894832] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:47:09,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489800959] [2022-12-05 20:47:09,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-05 20:47:09,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:47:09,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:47:09,661 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) [2022-12-05 20:47:09,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-05 20:47:10,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-05 20:47:10,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-05 20:47:10,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 193 conjunts are in the unsatisfiable core [2022-12-05 20:47:10,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:47:10,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:10,738 INFO L217 Elim1Store]: Index analysis took 136 ms [2022-12-05 20:47:17,639 WARN L233 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 1205 DAG size of output: 319 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-05 20:47:17,640 INFO L321 Elim1Store]: treesize reduction 8625, result has 7.8 percent of original size [2022-12-05 20:47:17,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 65 case distinctions, treesize of input 338 treesize of output 986 [2022-12-05 20:47:23,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:24,058 INFO L321 Elim1Store]: treesize reduction 137, result has 20.8 percent of original size [2022-12-05 20:47:24,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 362 treesize of output 372 [2022-12-05 20:47:24,094 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-05 20:47:24,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 311 treesize of output 310 [2022-12-05 20:47:24,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 299 treesize of output 299 [2022-12-05 20:47:24,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 293 treesize of output 293 [2022-12-05 20:47:24,136 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 287 treesize of output 287 [2022-12-05 20:47:24,184 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-05 20:47:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:47:24,192 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:47:24,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2022-12-05 20:47:24,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-05 20:47:24,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-12-05 20:47:24,598 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-05 20:47:24,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 603 treesize of output 590 [2022-12-05 20:47:24,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 572 treesize of output 569 [2022-12-05 20:47:24,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 563 treesize of output 560 [2022-12-05 20:47:24,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 554 treesize of output 530 [2022-12-05 20:47:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-05 20:47:24,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:47:24,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489800959] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:47:24,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:47:24,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 18 [2022-12-05 20:47:24,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322431187] [2022-12-05 20:47:24,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:47:24,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-05 20:47:24,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:47:24,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-05 20:47:24,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-12-05 20:47:24,686 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 65 [2022-12-05 20:47:24,686 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 63 transitions, 285 flow. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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 20:47:24,686 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:47:24,686 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 65 [2022-12-05 20:47:24,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:47:25,981 INFO L130 PetriNetUnfolder]: 25/92 cut-off events. [2022-12-05 20:47:25,981 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-05 20:47:25,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 92 events. 25/92 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 250 event pairs, 15 based on Foata normal form. 30/89 useless extension candidates. Maximal degree in co-relation 283. Up to 49 conditions per place. [2022-12-05 20:47:25,982 INFO L137 encePairwiseOnDemand]: 54/65 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2022-12-05 20:47:25,982 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 62 transitions, 403 flow [2022-12-05 20:47:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 20:47:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 20:47:25,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 48 transitions. [2022-12-05 20:47:25,983 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.12307692307692308 [2022-12-05 20:47:25,983 INFO L175 Difference]: Start difference. First operand has 67 places, 63 transitions, 285 flow. Second operand 6 states and 48 transitions. [2022-12-05 20:47:25,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 62 transitions, 403 flow [2022-12-05 20:47:25,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 62 transitions, 360 flow, removed 11 selfloop flow, removed 4 redundant places. [2022-12-05 20:47:25,985 INFO L231 Difference]: Finished difference. Result has 67 places, 0 transitions, 0 flow [2022-12-05 20:47:25,985 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=67, PETRI_TRANSITIONS=0} [2022-12-05 20:47:25,986 INFO L294 CegarLoopForPetriNet]: 50 programPoint places, 17 predicate places. [2022-12-05 20:47:25,986 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 0 transitions, 0 flow [2022-12-05 20:47:25,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 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 20:47:25,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-05 20:47:25,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-12-05 20:47:25,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-05 20:47:25,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-12-05 20:47:25,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-05 20:47:25,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-05 20:47:26,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:47:26,198 INFO L458 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2022-12-05 20:47:26,201 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:47:26,201 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:47:26,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:47:26 BasicIcfg [2022-12-05 20:47:26,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:47:26,203 INFO L158 Benchmark]: Toolchain (without parser) took 780509.90ms. Allocated memory was 186.6MB in the beginning and 896.5MB in the end (delta: 709.9MB). Free memory was 152.1MB in the beginning and 751.1MB in the end (delta: -599.0MB). Peak memory consumption was 613.6MB. Max. memory is 8.0GB. [2022-12-05 20:47:26,203 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:47:26,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3942.81ms. Allocated memory was 186.6MB in the beginning and 340.8MB in the end (delta: 154.1MB). Free memory was 151.7MB in the beginning and 221.6MB in the end (delta: -69.9MB). Peak memory consumption was 112.2MB. Max. memory is 8.0GB. [2022-12-05 20:47:26,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.64ms. Allocated memory is still 340.8MB. Free memory was 221.6MB in the beginning and 209.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-05 20:47:26,204 INFO L158 Benchmark]: Boogie Preprocessor took 39.95ms. Allocated memory is still 340.8MB. Free memory was 209.0MB in the beginning and 203.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-05 20:47:26,204 INFO L158 Benchmark]: RCFGBuilder took 1093.26ms. Allocated memory is still 340.8MB. Free memory was 203.2MB in the beginning and 276.1MB in the end (delta: -72.9MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. [2022-12-05 20:47:26,204 INFO L158 Benchmark]: TraceAbstraction took 775319.74ms. Allocated memory was 340.8MB in the beginning and 896.5MB in the end (delta: 555.7MB). Free memory was 275.0MB in the beginning and 751.1MB in the end (delta: -476.1MB). Peak memory consumption was 582.1MB. Max. memory is 8.0GB. [2022-12-05 20:47:26,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3942.81ms. Allocated memory was 186.6MB in the beginning and 340.8MB in the end (delta: 154.1MB). Free memory was 151.7MB in the beginning and 221.6MB in the end (delta: -69.9MB). Peak memory consumption was 112.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 108.64ms. Allocated memory is still 340.8MB. Free memory was 221.6MB in the beginning and 209.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.95ms. Allocated memory is still 340.8MB. Free memory was 209.0MB in the beginning and 203.2MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1093.26ms. Allocated memory is still 340.8MB. Free memory was 203.2MB in the beginning and 276.1MB in the end (delta: -72.9MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. * TraceAbstraction took 775319.74ms. Allocated memory was 340.8MB in the beginning and 896.5MB in the end (delta: 555.7MB). Free memory was 275.0MB in the beginning and 751.1MB in the end (delta: -476.1MB). Peak memory consumption was 582.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 727.4s, 830 PlacesBefore, 50 PlacesAfterwards, 889 TransitionsBefore, 65 TransitionsAfterwards, 45480 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 260 ConcurrentYvCompositions, 32 ChoiceCompositions, 829 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30445, independent: 30375, independent conditional: 30375, independent unconditional: 0, dependent: 66, dependent conditional: 66, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30445, independent: 30375, independent conditional: 0, independent unconditional: 30375, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30445, independent: 30375, independent conditional: 0, independent unconditional: 30375, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30445, independent: 30375, independent conditional: 0, independent unconditional: 30375, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26330, independent: 26286, independent conditional: 0, independent unconditional: 26286, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26330, independent: 26286, independent conditional: 0, independent unconditional: 26286, dependent: 44, dependent conditional: 0, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7713, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1276, dependent conditional: 0, dependent unconditional: 1276, unknown: 6437, unknown conditional: 0, unknown unconditional: 6437] ], Cache Queries: [ total: 30445, independent: 4089, independent conditional: 0, independent unconditional: 4089, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 26331, unknown conditional: 0, unknown unconditional: 26331] , Statistics on independence cache: Total cache size (in pairs): 61147, Positive cache size: 61106, Positive conditional cache size: 0, Positive unconditional cache size: 61106, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1101 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 775.2s, OverallIterations: 8, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 727.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 196 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 8.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1534 IncrementalHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 4 mSDtfsCounter, 1534 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=346occurred in iteration=5, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 27.7s InterpolantComputationTime, 207 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 219 ConstructedInterpolants, 11 QuantifiedInterpolants, 1685 SizeOfPredicates, 230 NumberOfNonLiveVariables, 6799 ConjunctsInSsa, 784 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 85/203 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 20:47:26,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...