/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_current.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:33:59,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:33:59,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:33:59,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:33:59,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:33:59,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:33:59,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:33:59,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:33:59,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:33:59,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:33:59,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:33:59,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:33:59,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:33:59,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:33:59,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:33:59,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:33:59,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:33:59,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:33:59,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:33:59,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:33:59,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:33:59,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:33:59,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:33:59,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:33:59,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:33:59,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:33:59,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:33:59,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:33:59,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:33:59,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:33:59,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:33:59,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:33:59,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:33:59,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:33:59,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:33:59,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:33:59,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:33:59,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:33:59,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:33:59,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:33:59,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:33:59,589 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 20:33:59,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:33:59,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:33:59,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:33:59,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:33:59,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:33:59,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:33:59,619 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:33:59,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:33:59,619 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:33:59,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:33:59,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:33:59,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:33:59,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:33:59,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:33:59,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:33:59,621 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:33:59,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:33:59,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:33:59,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:33:59,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:33:59,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:33:59,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:33:59,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:33:59,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:33:59,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:33:59,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:33:59,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:33:59,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:33:59,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:33:59,622 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:33:59,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:33:59,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:33:59,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:33:59,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:33:59,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:33:59,902 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:33:59,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2022-12-05 20:34:00,806 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:34:01,197 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:34:01,198 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2022-12-05 20:34:01,226 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535f798fe/a72a6f676e274d478c3a795f918ad735/FLAG7641f7152 [2022-12-05 20:34:01,239 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/535f798fe/a72a6f676e274d478c3a795f918ad735 [2022-12-05 20:34:01,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:34:01,242 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:34:01,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:34:01,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:34:01,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:34:01,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:34:01" (1/1) ... [2022-12-05 20:34:01,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da5b76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:01, skipping insertion in model container [2022-12-05 20:34:01,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:34:01" (1/1) ... [2022-12-05 20:34:01,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:34:01,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:34:01,554 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i[5469,5482] [2022-12-05 20:34:01,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:01,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:01,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:01,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:01,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:01,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:01,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:01,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:01,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:01,762 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:01,765 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:01,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:01,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:01,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:01,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:01,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:01,783 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:34:01,787 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:01,791 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:01,798 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:01,870 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:34:01,875 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:34:01,959 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:34:02,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:02,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:02,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:02,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:02,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:02,059 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:02,328 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:34:02,332 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:34:02,336 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:34:02,431 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:34:02,432 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:34:02,438 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:34:02,438 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:34:02,619 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:34:03,022 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:34:03,030 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:34:03,075 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:34:03,080 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:34:03,294 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:34:03,441 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:34:03,445 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:34:03,568 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:34:03,695 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:34:03,695 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:34:03,695 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:34:04,374 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:34:04,375 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:04,380 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:04,384 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:04,394 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:04,845 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:34:04,848 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:34:04,877 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:34:04,877 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:34:04,878 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:34:04,880 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:34:04,880 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:34:04,880 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:34:04,883 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:34:04,884 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:34:04,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:34:04,925 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:34:04,944 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i[5469,5482] [2022-12-05 20:34:04,949 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,952 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,955 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-05 20:34:04,955 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:04,955 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:04,956 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-05 20:34:04,967 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:34:04,968 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-05 20:34:04,971 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-05 20:34:04,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:04,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 20:34:04,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 20:34:05,025 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-05 20:34:05,025 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-05 20:34:05,026 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-05 20:34:05,032 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-05 20:34:05,032 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:34:05,032 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-05 20:34:05,033 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-05 20:34:05,038 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-05 20:34:05,048 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:34:05,057 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-05 20:34:05,059 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-05 20:34:05,060 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-05 20:34:05,066 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-05 20:34:05,069 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-05 20:34:05,070 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-05 20:34:05,073 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-05 20:34:05,076 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-05 20:34:05,076 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-05 20:34:05,077 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-05 20:34:05,123 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-05 20:34:05,123 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:05,126 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:05,129 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:05,131 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-05 20:34:05,161 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:34:05,161 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-05 20:34:05,164 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-05 20:34:05,164 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-05 20:34:05,165 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-05 20:34:05,166 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:34:05,166 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-05 20:34:05,166 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-05 20:34:05,167 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-05 20:34:05,167 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-05 20:34:05,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:34:05,501 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:34:05,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05 WrapperNode [2022-12-05 20:34:05,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:34:05,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:34:05,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:34:05,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:34:05,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,610 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 758 [2022-12-05 20:34:05,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:34:05,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:34:05,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:34:05,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:34:05,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,677 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:34:05,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:34:05,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:34:05,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:34:05,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (1/1) ... [2022-12-05 20:34:05,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:34:05,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:34:05,714 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 20:34:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 20:34:05,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-05 20:34:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:34:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-05 20:34:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-05 20:34:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2022-12-05 20:34:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:34:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:34:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-05 20:34:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:34:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-05 20:34:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:34:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-05 20:34:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2022-12-05 20:34:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 20:34:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:34:05,735 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 20:34:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 20:34:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-05 20:34:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:34:05,750 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 20:34:06,139 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:34:06,140 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:34:06,730 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:34:06,762 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:34:06,762 INFO L302 CfgBuilder]: Removed 19 assume(true) statements. [2022-12-05 20:34:06,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:34:06 BoogieIcfgContainer [2022-12-05 20:34:06,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:34:06,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:34:06,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:34:06,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:34:06,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:34:01" (1/3) ... [2022-12-05 20:34:06,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5383eccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:34:06, skipping insertion in model container [2022-12-05 20:34:06,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:34:05" (2/3) ... [2022-12-05 20:34:06,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5383eccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:34:06, skipping insertion in model container [2022-12-05 20:34:06,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:34:06" (3/3) ... [2022-12-05 20:34:06,769 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2022-12-05 20:34:06,780 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:34:06,780 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-05 20:34:06,780 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:34:06,886 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-05 20:34:06,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 788 places, 838 transitions, 1692 flow [2022-12-05 20:34:07,094 INFO L130 PetriNetUnfolder]: 57/836 cut-off events. [2022-12-05 20:34:07,095 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:34:07,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 836 events. 57/836 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1353 event pairs, 0 based on Foata normal form. 0/777 useless extension candidates. Maximal degree in co-relation 658. Up to 9 conditions per place. [2022-12-05 20:34:07,103 INFO L82 GeneralOperation]: Start removeDead. Operand has 788 places, 838 transitions, 1692 flow [2022-12-05 20:34:07,113 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 778 places, 828 transitions, 1665 flow [2022-12-05 20:34:07,114 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:34:07,136 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 778 places, 828 transitions, 1665 flow [2022-12-05 20:34:07,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 778 places, 828 transitions, 1665 flow [2022-12-05 20:34:07,295 INFO L130 PetriNetUnfolder]: 57/828 cut-off events. [2022-12-05 20:34:07,295 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 20:34:07,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 828 events. 57/828 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1240 event pairs, 0 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 658. Up to 9 conditions per place. [2022-12-05 20:34:07,312 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 778 places, 828 transitions, 1665 flow [2022-12-05 20:34:07,312 INFO L188 LiptonReduction]: Number of co-enabled transitions 24252 [2022-12-05 20:34:07,729 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:07,730 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:07,731 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:07,732 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:08,108 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:08,109 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:08,110 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:08,111 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:08,183 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:08,184 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:09,199 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:09,200 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:09,201 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:09,202 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:09,747 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:09,748 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:09,750 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:09,750 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:12,006 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:12,006 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:13,094 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:13,094 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:13,096 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:13,096 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:13,099 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:13,100 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:13,101 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:13,102 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:13,492 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:13,493 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:13,494 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:13,498 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:15,493 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:15,493 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:17,567 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:17,567 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:17,568 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:17,569 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:17,840 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:17,840 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:34:17,842 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:17,843 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:18,520 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:18,521 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:18,522 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:18,522 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:19,241 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:19,241 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:21,956 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:21,957 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:34:21,961 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:21,961 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-05 20:34:21,964 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:21,965 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2022-12-05 20:34:21,969 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:21,969 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:23,262 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:23,263 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:23,264 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:23,264 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:23,265 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:23,265 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:23,273 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:23,274 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:25,683 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:25,684 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:25,686 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:25,686 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:26,656 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:26,657 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2022-12-05 20:34:26,664 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:26,664 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:34:26,669 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:26,670 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-05 20:34:26,681 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:26,684 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 20:34:26,689 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:26,689 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2022-12-05 20:34:28,168 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:28,170 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:28,170 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:28,171 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:36,807 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:36,807 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:36,809 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:36,809 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:37,482 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:37,482 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:34:37,487 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:37,488 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:34:37,493 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:37,497 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2022-12-05 20:34:37,501 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:37,502 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2022-12-05 20:34:37,505 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:37,505 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2022-12-05 20:34:41,115 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:41,115 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:41,118 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:41,119 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:46,594 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:46,595 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:34:46,597 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:46,598 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 20:34:46,600 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:46,600 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:34:46,602 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:46,603 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:34:46,609 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:46,610 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-05 20:34:55,874 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:55,875 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:34:55,877 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:55,878 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 20:34:55,880 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:55,881 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:34:55,883 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:55,884 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:34:55,886 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:55,886 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-05 20:34:58,245 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:58,246 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:34:58,247 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:34:58,247 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:35:07,476 WARN L233 SmtUtils]: Spent 7.54s on a formula simplification that was a NOOP. DAG size: 325 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:35:13,503 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:35:21,417 WARN L233 SmtUtils]: Spent 7.91s on a formula simplification that was a NOOP. DAG size: 325 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:35:28,449 WARN L233 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:36:09,771 WARN L233 SmtUtils]: Spent 41.11s on a formula simplification that was a NOOP. DAG size: 494 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:36:48,075 WARN L233 SmtUtils]: Spent 38.30s on a formula simplification that was a NOOP. DAG size: 486 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:37:15,097 WARN L233 SmtUtils]: Spent 27.02s on a formula simplification that was a NOOP. DAG size: 494 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:37:40,060 WARN L233 SmtUtils]: Spent 24.96s on a formula simplification that was a NOOP. DAG size: 486 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:37:40,198 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:37:40,198 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-05 20:37:40,201 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:37:40,201 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-05 20:37:40,204 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:37:40,205 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-05 20:37:40,207 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:37:40,207 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-05 20:37:40,210 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:37:40,210 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2022-12-05 20:38:40,206 WARN L233 SmtUtils]: Spent 59.85s on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:39:09,222 WARN L233 SmtUtils]: Spent 29.01s 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 20:40:48,891 WARN L233 SmtUtils]: Spent 1.66m 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 20:41:43,744 WARN L233 SmtUtils]: Spent 54.85s 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 20:41:43,879 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:43,880 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:41:43,882 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:43,882 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:41:58,522 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:58,522 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:41:58,536 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:58,536 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:41:59,402 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:59,406 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:41:59,408 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:59,408 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:41:59,410 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:59,410 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:41:59,411 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:59,412 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:41:59,414 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:59,414 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:41:59,415 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:41:59,416 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:42:28,008 WARN L233 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 255 DAG size of output: 252 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:42:36,041 WARN L233 SmtUtils]: Spent 5.23s on a formula simplification. DAG size of input: 243 DAG size of output: 234 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:42:45,188 WARN L233 SmtUtils]: Spent 7.02s on a formula simplification. DAG size of input: 272 DAG size of output: 263 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:42:54,564 WARN L233 SmtUtils]: Spent 5.77s on a formula simplification. DAG size of input: 247 DAG size of output: 237 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:43:04,356 WARN L233 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 276 DAG size of output: 266 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:43:12,052 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 246 DAG size of output: 237 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:43:21,062 WARN L233 SmtUtils]: Spent 7.22s on a formula simplification. DAG size of input: 275 DAG size of output: 266 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:43:53,240 WARN L233 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 252 DAG size of output: 249 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-05 20:44:03,227 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:03,227 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:03,230 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:03,230 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:04,188 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:04,188 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:04,205 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:04,205 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:04,212 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:04,212 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-05 20:44:04,250 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-05 20:44:16,402 INFO L203 LiptonReduction]: Total number of compositions: 776 [2022-12-05 20:44:16,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:44:16,417 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;@6cae2e7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:44:16,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-05 20:44:16,441 INFO L130 PetriNetUnfolder]: 9/17 cut-off events. [2022-12-05 20:44:16,441 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:44:16,441 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:44:16,442 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-05 20:44:16,442 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:44:16,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:44:16,445 INFO L85 PathProgramCache]: Analyzing trace with hash 3147750, now seen corresponding path program 1 times [2022-12-05 20:44:16,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:44:16,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077477608] [2022-12-05 20:44:16,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:44:16,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:44:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:44:16,791 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 20:44:16,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:44:16,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077477608] [2022-12-05 20:44:16,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077477608] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:44:16,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:44:16,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:44:16,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454107955] [2022-12-05 20:44:16,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:44:16,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-05 20:44:16,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:44:16,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-05 20:44:16,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-05 20:44:16,811 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 56 [2022-12-05 20:44:16,812 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 56 transitions, 121 flow. Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:44:16,812 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:44:16,812 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 56 [2022-12-05 20:44:16,813 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:44:17,165 INFO L130 PetriNetUnfolder]: 211/401 cut-off events. [2022-12-05 20:44:17,166 INFO L131 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2022-12-05 20:44:17,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 401 events. 211/401 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 1859 event pairs, 201 based on Foata normal form. 0/215 useless extension candidates. Maximal degree in co-relation 632. Up to 402 conditions per place. [2022-12-05 20:44:17,168 INFO L137 encePairwiseOnDemand]: 47/56 looper letters, 44 selfloop transitions, 0 changer transitions 3/47 dead transitions. [2022-12-05 20:44:17,168 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 47 transitions, 197 flow [2022-12-05 20:44:17,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-05 20:44:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-05 20:44:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 56 transitions. [2022-12-05 20:44:17,176 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5 [2022-12-05 20:44:17,177 INFO L175 Difference]: Start difference. First operand has 45 places, 56 transitions, 121 flow. Second operand 2 states and 56 transitions. [2022-12-05 20:44:17,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 47 transitions, 197 flow [2022-12-05 20:44:17,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 47 transitions, 192 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:44:17,180 INFO L231 Difference]: Finished difference. Result has 42 places, 44 transitions, 91 flow [2022-12-05 20:44:17,181 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=91, PETRI_PLACES=42, PETRI_TRANSITIONS=44} [2022-12-05 20:44:17,183 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, -3 predicate places. [2022-12-05 20:44:17,183 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 44 transitions, 91 flow [2022-12-05 20:44:17,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:44:17,183 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:44:17,183 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-05 20:44:17,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:44:17,184 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:44:17,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:44:17,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1270867284, now seen corresponding path program 1 times [2022-12-05 20:44:17,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:44:17,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506752221] [2022-12-05 20:44:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:44:17,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:44:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:44:17,821 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 20:44:17,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:44:17,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506752221] [2022-12-05 20:44:17,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506752221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:44:17,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:44:17,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-05 20:44:17,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409718088] [2022-12-05 20:44:17,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:44:17,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:44:17,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:44:17,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:44:17,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:44:17,823 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 56 [2022-12-05 20:44:17,823 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 44 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 1.6666666666666667) 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 20:44:17,823 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:44:17,823 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 56 [2022-12-05 20:44:17,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:44:18,193 INFO L130 PetriNetUnfolder]: 128/249 cut-off events. [2022-12-05 20:44:18,193 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:44:18,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 249 events. 128/249 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1079 event pairs, 118 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 505. Up to 249 conditions per place. [2022-12-05 20:44:18,195 INFO L137 encePairwiseOnDemand]: 52/56 looper letters, 43 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2022-12-05 20:44:18,195 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 45 transitions, 183 flow [2022-12-05 20:44:18,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:44:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:44:18,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 47 transitions. [2022-12-05 20:44:18,200 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.27976190476190477 [2022-12-05 20:44:18,200 INFO L175 Difference]: Start difference. First operand has 42 places, 44 transitions, 91 flow. Second operand 3 states and 47 transitions. [2022-12-05 20:44:18,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 45 transitions, 183 flow [2022-12-05 20:44:18,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 45 transitions, 183 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-05 20:44:18,202 INFO L231 Difference]: Finished difference. Result has 42 places, 45 transitions, 105 flow [2022-12-05 20:44:18,202 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=105, PETRI_PLACES=42, PETRI_TRANSITIONS=45} [2022-12-05 20:44:18,202 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, -3 predicate places. [2022-12-05 20:44:18,202 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 45 transitions, 105 flow [2022-12-05 20:44:18,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) 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 20:44:18,202 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:44:18,203 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 20:44:18,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:44:18,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:44:18,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:44:18,205 INFO L85 PathProgramCache]: Analyzing trace with hash -907481803, now seen corresponding path program 1 times [2022-12-05 20:44:18,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:44:18,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817811640] [2022-12-05 20:44:18,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:44:18,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:44:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:44:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:44:18,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:44:18,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817811640] [2022-12-05 20:44:18,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817811640] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:44:18,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144832479] [2022-12-05 20:44:18,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:44:18,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:44:18,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:44:18,705 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 20:44:18,777 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 20:44:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:44:19,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-05 20:44:19,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:44:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 20:44:19,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:44:19,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144832479] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:44:19,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:44:19,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2022-12-05 20:44:19,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580339175] [2022-12-05 20:44:19,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:44:19,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:44:19,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:44:19,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:44:19,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-05 20:44:19,637 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 56 [2022-12-05 20:44:19,637 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 45 transitions, 105 flow. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:44:19,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:44:19,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 56 [2022-12-05 20:44:19,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:44:20,430 INFO L130 PetriNetUnfolder]: 142/297 cut-off events. [2022-12-05 20:44:20,430 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:44:20,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 297 events. 142/297 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 1588 event pairs, 52 based on Foata normal form. 36/211 useless extension candidates. Maximal degree in co-relation 609. Up to 242 conditions per place. [2022-12-05 20:44:20,431 INFO L137 encePairwiseOnDemand]: 38/56 looper letters, 46 selfloop transitions, 17 changer transitions 1/64 dead transitions. [2022-12-05 20:44:20,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 64 transitions, 273 flow [2022-12-05 20:44:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:44:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:44:20,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2022-12-05 20:44:20,433 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2022-12-05 20:44:20,433 INFO L175 Difference]: Start difference. First operand has 42 places, 45 transitions, 105 flow. Second operand 3 states and 64 transitions. [2022-12-05 20:44:20,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 64 transitions, 273 flow [2022-12-05 20:44:20,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 64 transitions, 269 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-05 20:44:20,434 INFO L231 Difference]: Finished difference. Result has 44 places, 61 transitions, 218 flow [2022-12-05 20:44:20,435 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=44, PETRI_TRANSITIONS=61} [2022-12-05 20:44:20,435 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, -1 predicate places. [2022-12-05 20:44:20,435 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 61 transitions, 218 flow [2022-12-05 20:44:20,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:44:20,435 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:44:20,435 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:44:20,442 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 20:44:20,642 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 20:44:20,642 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:44:20,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:44:20,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1932824741, now seen corresponding path program 1 times [2022-12-05 20:44:20,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:44:20,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495437914] [2022-12-05 20:44:20,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:44:20,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:44:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:44:21,116 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 20:44:21,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:44:21,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495437914] [2022-12-05 20:44:21,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495437914] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:44:21,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698897368] [2022-12-05 20:44:21,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:44:21,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:44:21,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:44:21,118 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 20:44:21,141 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 20:44:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:44:21,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 355 conjunts are in the unsatisfiable core [2022-12-05 20:44:21,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:44:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:22,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-05 20:44:27,095 INFO L321 Elim1Store]: treesize reduction 9487, result has 5.0 percent of original size [2022-12-05 20:44:27,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 9 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 112 case distinctions, treesize of input 690 treesize of output 1092 [2022-12-05 20:44:30,393 INFO L321 Elim1Store]: treesize reduction 136, result has 29.2 percent of original size [2022-12-05 20:44:30,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 378 treesize of output 404 [2022-12-05 20:44:30,427 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-12-05 20:44:30,427 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 313 treesize of output 312 [2022-12-05 20:44:30,439 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 301 treesize of output 301 [2022-12-05 20:44:30,452 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 295 treesize of output 295 [2022-12-05 20:44:30,466 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 289 treesize of output 289 [2022-12-05 20:44:30,510 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-05 20:44:30,522 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-05 20:44:30,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2022-12-05 20:44:32,441 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-05 20:45:41,352 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 454 treesize of output 454 [2022-12-05 20:45:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 20:45:43,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:45:43,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698897368] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:45:43,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:45:43,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2022-12-05 20:45:43,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456062385] [2022-12-05 20:45:43,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:45:43,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 20:45:43,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:45:43,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 20:45:43,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=40, Unknown=1, NotChecked=0, Total=56 [2022-12-05 20:45:43,939 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 56 [2022-12-05 20:45:43,939 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 61 transitions, 218 flow. Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:45:43,939 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:45:43,939 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 56 [2022-12-05 20:45:43,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:45:46,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:45:48,022 INFO L130 PetriNetUnfolder]: 109/259 cut-off events. [2022-12-05 20:45:48,022 INFO L131 PetriNetUnfolder]: For 95/95 co-relation queries the response was YES. [2022-12-05 20:45:48,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 259 events. 109/259 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 1504 event pairs, 47 based on Foata normal form. 5/176 useless extension candidates. Maximal degree in co-relation 720. Up to 181 conditions per place. [2022-12-05 20:45:48,023 INFO L137 encePairwiseOnDemand]: 31/56 looper letters, 25 selfloop transitions, 38 changer transitions 15/78 dead transitions. [2022-12-05 20:45:48,023 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 78 transitions, 438 flow [2022-12-05 20:45:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 20:45:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 20:45:48,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2022-12-05 20:45:48,024 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.22857142857142856 [2022-12-05 20:45:48,024 INFO L175 Difference]: Start difference. First operand has 44 places, 61 transitions, 218 flow. Second operand 5 states and 64 transitions. [2022-12-05 20:45:48,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 78 transitions, 438 flow [2022-12-05 20:45:48,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 78 transitions, 421 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 20:45:48,026 INFO L231 Difference]: Finished difference. Result has 48 places, 61 transitions, 313 flow [2022-12-05 20:45:48,026 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=313, PETRI_PLACES=48, PETRI_TRANSITIONS=61} [2022-12-05 20:45:48,026 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 3 predicate places. [2022-12-05 20:45:48,026 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 61 transitions, 313 flow [2022-12-05 20:45:48,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:45:48,027 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:45:48,027 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:45:48,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-05 20:45:48,234 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 20:45:48,235 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:45:48,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:45:48,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1468440257, now seen corresponding path program 1 times [2022-12-05 20:45:48,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:45:48,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866924673] [2022-12-05 20:45:48,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:45:48,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:45:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:45:48,835 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 20:45:48,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:45:48,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866924673] [2022-12-05 20:45:48,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866924673] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:45:48,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697256022] [2022-12-05 20:45:48,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:45:48,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:45:48,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:45:48,837 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 20:45:48,838 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 20:45:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:45:49,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-05 20:45:49,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:45:51,199 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-05 20:47:07,961 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-05 20:47:07,962 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 1041 treesize of output 1026 [2022-12-05 20:47:08,019 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 20:47:08,084 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 20:47:08,111 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 20:47:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-05 20:47:09,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-05 20:47:09,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697256022] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:47:09,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-05 20:47:09,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2022-12-05 20:47:09,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781489512] [2022-12-05 20:47:09,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:47:09,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 20:47:09,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:47:09,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 20:47:09,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-05 20:47:09,162 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 56 [2022-12-05 20:47:09,162 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 61 transitions, 313 flow. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:47:09,162 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:47:09,162 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 56 [2022-12-05 20:47:09,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:47:12,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:47:15,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:47:17,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:47:19,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:47:22,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:47:24,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:47:26,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:47:31,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:47:34,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-05 20:47:34,818 INFO L130 PetriNetUnfolder]: 69/203 cut-off events. [2022-12-05 20:47:34,818 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-12-05 20:47:34,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 717 conditions, 203 events. 69/203 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 1160 event pairs, 34 based on Foata normal form. 22/165 useless extension candidates. Maximal degree in co-relation 710. Up to 128 conditions per place. [2022-12-05 20:47:34,819 INFO L137 encePairwiseOnDemand]: 44/56 looper letters, 46 selfloop transitions, 8 changer transitions 14/68 dead transitions. [2022-12-05 20:47:34,819 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 68 transitions, 473 flow [2022-12-05 20:47:34,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 20:47:34,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 20:47:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 67 transitions. [2022-12-05 20:47:34,823 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2392857142857143 [2022-12-05 20:47:34,823 INFO L175 Difference]: Start difference. First operand has 48 places, 61 transitions, 313 flow. Second operand 5 states and 67 transitions. [2022-12-05 20:47:34,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 68 transitions, 473 flow [2022-12-05 20:47:34,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 68 transitions, 427 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:47:34,827 INFO L231 Difference]: Finished difference. Result has 50 places, 50 transitions, 232 flow [2022-12-05 20:47:34,828 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=56, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=232, PETRI_PLACES=50, PETRI_TRANSITIONS=50} [2022-12-05 20:47:34,830 INFO L294 CegarLoopForPetriNet]: 45 programPoint places, 5 predicate places. [2022-12-05 20:47:34,830 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 50 transitions, 232 flow [2022-12-05 20:47:34,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:47:34,830 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:47:34,830 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 20:47:34,840 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 20:47:35,037 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 20:47:35,037 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 20:47:35,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:47:35,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1468440288, now seen corresponding path program 1 times [2022-12-05 20:47:35,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:47:35,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087113914] [2022-12-05 20:47:35,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:35,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:47:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:35,772 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 20:47:35,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:47:35,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087113914] [2022-12-05 20:47:35,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087113914] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-05 20:47:35,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054609703] [2022-12-05 20:47:35,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:35,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-05 20:47:35,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:47:35,774 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 20:47:35,776 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 20:47:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:36,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1105 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-05 20:47:36,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-05 20:47:38,705 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. Received shutdown request... [2022-12-05 20:48:26,198 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-12-05 20:48:26,199 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-05 20:48:26,204 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-05 20:48:26,204 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-05 20:48:26,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-05 20:48:26,400 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 20:48:26,400 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 10 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 66ms.. [2022-12-05 20:48:26,401 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-05 20:48:26,401 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-12-05 20:48:26,401 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-05 20:48:26,401 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-05 20:48:26,402 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-05 20:48:26,404 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:48:26,404 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:48:26,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:48:26 BasicIcfg [2022-12-05 20:48:26,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:48:26,407 INFO L158 Benchmark]: Toolchain (without parser) took 865164.82ms. Allocated memory was 223.3MB in the beginning and 855.6MB in the end (delta: 632.3MB). Free memory was 187.8MB in the beginning and 219.6MB in the end (delta: -31.8MB). Peak memory consumption was 616.5MB. Max. memory is 8.0GB. [2022-12-05 20:48:26,408 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 223.3MB. Free memory was 200.2MB in the beginning and 200.2MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:48:26,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4259.01ms. Allocated memory was 223.3MB in the beginning and 297.8MB in the end (delta: 74.4MB). Free memory was 187.8MB in the beginning and 190.3MB in the end (delta: -2.6MB). Peak memory consumption was 152.1MB. Max. memory is 8.0GB. [2022-12-05 20:48:26,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.31ms. Allocated memory is still 297.8MB. Free memory was 190.3MB in the beginning and 178.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-05 20:48:26,411 INFO L158 Benchmark]: Boogie Preprocessor took 74.88ms. Allocated memory is still 297.8MB. Free memory was 178.3MB in the beginning and 172.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-12-05 20:48:26,411 INFO L158 Benchmark]: RCFGBuilder took 1078.07ms. Allocated memory is still 297.8MB. Free memory was 172.5MB in the beginning and 200.1MB in the end (delta: -27.6MB). Peak memory consumption was 40.6MB. Max. memory is 8.0GB. [2022-12-05 20:48:26,411 INFO L158 Benchmark]: TraceAbstraction took 859640.92ms. Allocated memory was 297.8MB in the beginning and 855.6MB in the end (delta: 557.8MB). Free memory was 199.5MB in the beginning and 219.6MB in the end (delta: -20.0MB). Peak memory consumption was 552.5MB. Max. memory is 8.0GB. [2022-12-05 20:48:26,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 223.3MB. Free memory was 200.2MB in the beginning and 200.2MB in the end (delta: 75.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4259.01ms. Allocated memory was 223.3MB in the beginning and 297.8MB in the end (delta: 74.4MB). Free memory was 187.8MB in the beginning and 190.3MB in the end (delta: -2.6MB). Peak memory consumption was 152.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 108.31ms. Allocated memory is still 297.8MB. Free memory was 190.3MB in the beginning and 178.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.88ms. Allocated memory is still 297.8MB. Free memory was 178.3MB in the beginning and 172.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1078.07ms. Allocated memory is still 297.8MB. Free memory was 172.5MB in the beginning and 200.1MB in the end (delta: -27.6MB). Peak memory consumption was 40.6MB. Max. memory is 8.0GB. * TraceAbstraction took 859640.92ms. Allocated memory was 297.8MB in the beginning and 855.6MB in the end (delta: 557.8MB). Free memory was 199.5MB in the beginning and 219.6MB in the end (delta: -20.0MB). Peak memory consumption was 552.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 609.1s, 778 PlacesBefore, 45 PlacesAfterwards, 828 TransitionsBefore, 56 TransitionsAfterwards, 24252 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 534 TrivialYvCompositions, 213 ConcurrentYvCompositions, 28 ChoiceCompositions, 776 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15814, independent: 15773, independent conditional: 15773, independent unconditional: 0, dependent: 41, dependent conditional: 41, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15814, independent: 15773, independent conditional: 0, independent unconditional: 15773, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15814, independent: 15773, independent conditional: 0, independent unconditional: 15773, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15814, independent: 15773, independent conditional: 0, independent unconditional: 15773, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13156, independent: 13138, independent conditional: 0, independent unconditional: 13138, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13156, independent: 13138, independent conditional: 0, independent unconditional: 13138, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 222, dependent conditional: 0, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15814, independent: 2635, independent conditional: 0, independent unconditional: 2635, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 13156, unknown conditional: 0, unknown unconditional: 13156] , Statistics on independence cache: Total cache size (in pairs): 30525, Positive cache size: 30507, Positive conditional cache size: 0, Positive unconditional cache size: 30507, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 10 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 66ms.. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 10 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 66ms.. - TimeoutResultAtElement [Line: 7069]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 10 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 66ms.. - TimeoutResultAtElement [Line: 7068]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 10 with TraceHistMax 1,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 66ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 997 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: 859.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 31.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 609.5s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 27.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 26.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 624 IncrementalHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 0 mSDtfsCounter, 624 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=4, InterpolantAutomatonStates: 18, 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: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 163.8s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 44 ConstructedInterpolants, 6 QuantifiedInterpolants, 2167 SizeOfPredicates, 93 NumberOfNonLiveVariables, 3240 ConjunctsInSsa, 380 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 3/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown