/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:47:14,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:47:14,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:47:15,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:47:15,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:47:15,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:47:15,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:47:15,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:47:15,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:47:15,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:47:15,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:47:15,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:47:15,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:47:15,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:47:15,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:47:15,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:47:15,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:47:15,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:47:15,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:47:15,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:47:15,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:47:15,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:47:15,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:47:15,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:47:15,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:47:15,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:47:15,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:47:15,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:47:15,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:47:15,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:47:15,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:47:15,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:47:15,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:47:15,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:47:15,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:47:15,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:47:15,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:47:15,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:47:15,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:47:15,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:47:15,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:47:15,085 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-06 16:47:15,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:47:15,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:47:15,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:47:15,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:47:15,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:47:15,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:47:15,121 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:47:15,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:47:15,122 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:47:15,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:47:15,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:47:15,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:47:15,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:47:15,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:47:15,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:47:15,123 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:47:15,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:47:15,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:47:15,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:47:15,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:47:15,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:47:15,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:47:15,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:47:15,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:47:15,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:47:15,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:47:15,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:47:15,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:47:15,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:47:15,125 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:47:15,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:47:15,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:47:15,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:47:15,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:47:15,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:47:15,454 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:47:15,454 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:47:15,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2022-12-06 16:47:16,480 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:47:16,961 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:47:16,961 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2022-12-06 16:47:16,999 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e68b448/f0e556447b44410ea6c93e86569e7125/FLAG663a72a3f [2022-12-06 16:47:17,018 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8e68b448/f0e556447b44410ea6c93e86569e7125 [2022-12-06 16:47:17,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:47:17,024 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:47:17,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:47:17,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:47:17,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:47:17,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:47:17" (1/1) ... [2022-12-06 16:47:17,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33283c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:17, skipping insertion in model container [2022-12-06 16:47:17,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:47:17" (1/1) ... [2022-12-06 16:47:17,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:47:17,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:47:17,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2022-12-06 16:47:17,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:17,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:17,828 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:17,829 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:17,833 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:17,834 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:17,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:17,839 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:17,842 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:17,843 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:17,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:17,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:17,851 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:17,851 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:17,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:17,855 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:17,864 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 16:47:17,868 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:47:17,872 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:47:17,879 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:47:18,022 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:47:18,028 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:47:18,121 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 16:47:18,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:18,209 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:18,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:18,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:18,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:18,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:18,365 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 16:47:18,369 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 16:47:18,371 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 16:47:18,442 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 16:47:18,442 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:47:18,444 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 16:47:18,445 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:47:18,573 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 16:47:18,893 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:47:18,902 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:47:18,947 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 16:47:18,949 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 16:47:19,186 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 16:47:19,336 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 16:47:19,340 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 16:47:19,476 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 16:47:19,625 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 16:47:19,626 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 16:47:19,626 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 16:47:20,407 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 16:47:20,407 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:47:20,410 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:47:20,416 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:47:20,419 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:47:20,982 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:47:20,983 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:47:21,014 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 16:47:21,015 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 16:47:21,016 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 16:47:21,017 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:47:21,017 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 16:47:21,018 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 16:47:21,022 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:47:21,022 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 16:47:21,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:47:21,088 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:47:21,102 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2022-12-06 16:47:21,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,113 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 16:47:21,113 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:47:21,114 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:47:21,114 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 16:47:21,118 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:47:21,119 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 16:47:21,121 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 16:47:21,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:47:21,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:47:21,140 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 16:47:21,140 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 16:47:21,141 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 16:47:21,144 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 16:47:21,144 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:47:21,144 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 16:47:21,145 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 16:47:21,155 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 16:47:21,169 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:47:21,170 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 16:47:21,173 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 16:47:21,173 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 16:47:21,181 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 16:47:21,186 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 16:47:21,187 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 16:47:21,192 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 16:47:21,197 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 16:47:21,197 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 16:47:21,197 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 16:47:21,268 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 16:47:21,269 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:47:21,271 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:47:21,279 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:47:21,283 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 16:47:21,326 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:47:21,326 WARN L1573 CHandler]: Possible shadowing of function iminor [2022-12-06 16:47:21,331 WARN L623 FunctionHandler]: Unknown extern function platform_device_alloc [2022-12-06 16:47:21,332 WARN L623 FunctionHandler]: Unknown extern function platform_device_add [2022-12-06 16:47:21,333 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-06 16:47:21,334 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:47:21,334 WARN L623 FunctionHandler]: Unknown extern function platform_device_del [2022-12-06 16:47:21,334 WARN L623 FunctionHandler]: Unknown extern function platform_device_put [2022-12-06 16:47:21,335 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-06 16:47:21,335 WARN L623 FunctionHandler]: Unknown extern function platform_device_unregister [2022-12-06 16:47:21,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:47:21,895 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:47:21,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21 WrapperNode [2022-12-06 16:47:21,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:47:21,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:47:21,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:47:21,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:47:21,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,082 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 774 [2022-12-06 16:47:22,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:47:22,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:47:22,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:47:22,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:47:22,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,160 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:47:22,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:47:22,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:47:22,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:47:22,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (1/1) ... [2022-12-06 16:47:22,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:47:22,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:47:22,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 16:47:22,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 16:47:22,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 16:47:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 16:47:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:47:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-06 16:47:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-06 16:47:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2022-12-06 16:47:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:47:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:47:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 16:47:22,274 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 16:47:22,274 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2022-12-06 16:47:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:47:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-06 16:47:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:47:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:47:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 16:47:22,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:47:22,277 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 16:47:22,808 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:47:22,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:47:23,477 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:47:23,487 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:47:23,487 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2022-12-06 16:47:23,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:47:23 BoogieIcfgContainer [2022-12-06 16:47:23,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:47:23,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:47:23,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:47:23,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:47:23,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:47:17" (1/3) ... [2022-12-06 16:47:23,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4563f489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:47:23, skipping insertion in model container [2022-12-06 16:47:23,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:47:21" (2/3) ... [2022-12-06 16:47:23,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4563f489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:47:23, skipping insertion in model container [2022-12-06 16:47:23,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:47:23" (3/3) ... [2022-12-06 16:47:23,497 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2022-12-06 16:47:23,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:47:23,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-06 16:47:23,513 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:47:23,619 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 16:47:23,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 792 places, 856 transitions, 1728 flow [2022-12-06 16:47:23,933 INFO L130 PetriNetUnfolder]: 71/854 cut-off events. [2022-12-06 16:47:23,933 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 16:47:23,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 854 events. 71/854 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1429 event pairs, 0 based on Foata normal form. 0/780 useless extension candidates. Maximal degree in co-relation 652. Up to 9 conditions per place. [2022-12-06 16:47:23,942 INFO L82 GeneralOperation]: Start removeDead. Operand has 792 places, 856 transitions, 1728 flow [2022-12-06 16:47:23,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 782 places, 846 transitions, 1701 flow [2022-12-06 16:47:23,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:47:23,963 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;@2c769e59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:47:23,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-06 16:47:24,014 INFO L130 PetriNetUnfolder]: 19/396 cut-off events. [2022-12-06 16:47:24,015 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:47:24,015 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:47:24,016 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:47:24,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:47:24,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:47:24,021 INFO L85 PathProgramCache]: Analyzing trace with hash 49780713, now seen corresponding path program 1 times [2022-12-06 16:47:24,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:47:24,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014438043] [2022-12-06 16:47:24,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:47:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:47:24,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:47:24,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014438043] [2022-12-06 16:47:24,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014438043] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:47:24,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:47:24,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-06 16:47:24,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162572751] [2022-12-06 16:47:24,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:47:24,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 16:47:24,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:47:24,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 16:47:24,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-06 16:47:24,996 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 786 out of 856 [2022-12-06 16:47:25,008 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 782 places, 846 transitions, 1701 flow. Second operand has 9 states, 9 states have (on average 788.1111111111111) internal successors, (7093), 9 states have internal predecessors, (7093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:25,009 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:47:25,009 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 786 of 856 [2022-12-06 16:47:25,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:47:25,388 INFO L130 PetriNetUnfolder]: 39/808 cut-off events. [2022-12-06 16:47:25,389 INFO L131 PetriNetUnfolder]: For 5/6 co-relation queries the response was YES. [2022-12-06 16:47:25,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 808 events. 39/808 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1270 event pairs, 0 based on Foata normal form. 20/785 useless extension candidates. Maximal degree in co-relation 656. Up to 12 conditions per place. [2022-12-06 16:47:25,394 INFO L137 encePairwiseOnDemand]: 808/856 looper letters, 18 selfloop transitions, 16 changer transitions 1/808 dead transitions. [2022-12-06 16:47:25,395 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 791 places, 808 transitions, 1693 flow [2022-12-06 16:47:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-06 16:47:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-06 16:47:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 12642 transitions. [2022-12-06 16:47:25,429 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9230432242990654 [2022-12-06 16:47:25,432 INFO L294 CegarLoopForPetriNet]: 782 programPoint places, 9 predicate places. [2022-12-06 16:47:25,433 INFO L495 AbstractCegarLoop]: Abstraction has has 791 places, 808 transitions, 1693 flow [2022-12-06 16:47:25,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 788.1111111111111) internal successors, (7093), 9 states have internal predecessors, (7093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:25,437 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:47:25,437 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:47:25,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:47:25,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:47:25,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:47:25,439 INFO L85 PathProgramCache]: Analyzing trace with hash 889962922, now seen corresponding path program 1 times [2022-12-06 16:47:25,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:47:25,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572822290] [2022-12-06 16:47:25,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:25,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:47:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:47:26,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:47:26,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572822290] [2022-12-06 16:47:26,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572822290] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:47:26,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:47:26,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:47:26,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859745637] [2022-12-06 16:47:26,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:47:26,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:47:26,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:47:26,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:47:26,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:47:26,205 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 778 out of 856 [2022-12-06 16:47:26,210 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 791 places, 808 transitions, 1693 flow. Second operand has 6 states, 6 states have (on average 782.6666666666666) internal successors, (4696), 6 states have internal predecessors, (4696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:26,210 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:47:26,210 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 778 of 856 [2022-12-06 16:47:26,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:47:26,663 INFO L130 PetriNetUnfolder]: 68/1193 cut-off events. [2022-12-06 16:47:26,664 INFO L131 PetriNetUnfolder]: For 44/54 co-relation queries the response was YES. [2022-12-06 16:47:26,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 1193 events. 68/1193 cut-off events. For 44/54 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 3383 event pairs, 2 based on Foata normal form. 0/1119 useless extension candidates. Maximal degree in co-relation 906. Up to 34 conditions per place. [2022-12-06 16:47:26,675 INFO L137 encePairwiseOnDemand]: 846/856 looper letters, 46 selfloop transitions, 9 changer transitions 1/820 dead transitions. [2022-12-06 16:47:26,675 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 796 places, 820 transitions, 1852 flow [2022-12-06 16:47:26,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 16:47:26,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 16:47:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 6280 transitions. [2022-12-06 16:47:26,687 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9170560747663551 [2022-12-06 16:47:26,688 INFO L294 CegarLoopForPetriNet]: 782 programPoint places, 14 predicate places. [2022-12-06 16:47:26,688 INFO L495 AbstractCegarLoop]: Abstraction has has 796 places, 820 transitions, 1852 flow [2022-12-06 16:47:26,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 782.6666666666666) internal successors, (4696), 6 states have internal predecessors, (4696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:26,695 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:47:26,695 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:47:26,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 16:47:26,696 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:47:26,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:47:26,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2102801257, now seen corresponding path program 1 times [2022-12-06 16:47:26,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:47:26,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755513100] [2022-12-06 16:47:26,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:26,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:47:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:47:27,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:47:27,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755513100] [2022-12-06 16:47:27,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755513100] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:47:27,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:47:27,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 16:47:27,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869937735] [2022-12-06 16:47:27,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:47:27,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 16:47:27,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:47:27,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 16:47:27,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 16:47:27,295 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 798 out of 856 [2022-12-06 16:47:27,300 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 820 transitions, 1852 flow. Second operand has 5 states, 5 states have (on average 799.6) internal successors, (3998), 5 states have internal predecessors, (3998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:27,300 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:47:27,300 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 798 of 856 [2022-12-06 16:47:27,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:47:27,623 INFO L130 PetriNetUnfolder]: 90/1474 cut-off events. [2022-12-06 16:47:27,624 INFO L131 PetriNetUnfolder]: For 119/143 co-relation queries the response was YES. [2022-12-06 16:47:27,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1660 conditions, 1474 events. 90/1474 cut-off events. For 119/143 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 4249 event pairs, 3 based on Foata normal form. 0/1375 useless extension candidates. Maximal degree in co-relation 1039. Up to 35 conditions per place. [2022-12-06 16:47:27,639 INFO L137 encePairwiseOnDemand]: 849/856 looper letters, 28 selfloop transitions, 6 changer transitions 1/827 dead transitions. [2022-12-06 16:47:27,639 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 801 places, 827 transitions, 1959 flow [2022-12-06 16:47:27,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 16:47:27,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 16:47:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4819 transitions. [2022-12-06 16:47:27,648 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.9382788161993769 [2022-12-06 16:47:27,649 INFO L294 CegarLoopForPetriNet]: 782 programPoint places, 19 predicate places. [2022-12-06 16:47:27,649 INFO L495 AbstractCegarLoop]: Abstraction has has 801 places, 827 transitions, 1959 flow [2022-12-06 16:47:27,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 799.6) internal successors, (3998), 5 states have internal predecessors, (3998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:27,652 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:47:27,652 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:47:27,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 16:47:27,653 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:47:27,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:47:27,654 INFO L85 PathProgramCache]: Analyzing trace with hash -9878413, now seen corresponding path program 1 times [2022-12-06 16:47:27,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:47:27,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153948175] [2022-12-06 16:47:27,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:27,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:47:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:28,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:47:28,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:47:28,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153948175] [2022-12-06 16:47:28,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153948175] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:47:28,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391586269] [2022-12-06 16:47:28,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:28,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:47:28,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:47:28,305 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:47:28,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-06 16:47:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:28,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-06 16:47:28,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:47:28,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-06 16:47:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:47:28,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:47:28,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391586269] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:47:28,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:47:28,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-12-06 16:47:28,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11657588] [2022-12-06 16:47:28,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:47:28,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:47:28,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:47:28,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:47:28,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-06 16:47:28,906 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 755 out of 856 [2022-12-06 16:47:28,912 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 801 places, 827 transitions, 1959 flow. Second operand has 7 states, 7 states have (on average 760.2857142857143) internal successors, (5322), 7 states have internal predecessors, (5322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:28,912 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:47:28,912 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 755 of 856 [2022-12-06 16:47:28,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:47:30,025 INFO L130 PetriNetUnfolder]: 771/4272 cut-off events. [2022-12-06 16:47:30,026 INFO L131 PetriNetUnfolder]: For 1389/1617 co-relation queries the response was YES. [2022-12-06 16:47:30,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5823 conditions, 4272 events. 771/4272 cut-off events. For 1389/1617 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 28320 event pairs, 135 based on Foata normal form. 0/3921 useless extension candidates. Maximal degree in co-relation 1104. Up to 333 conditions per place. [2022-12-06 16:47:30,067 INFO L137 encePairwiseOnDemand]: 845/856 looper letters, 122 selfloop transitions, 11 changer transitions 1/879 dead transitions. [2022-12-06 16:47:30,067 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 809 places, 879 transitions, 2572 flow [2022-12-06 16:47:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-06 16:47:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-06 16:47:30,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 8407 transitions. [2022-12-06 16:47:30,086 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8928419711129991 [2022-12-06 16:47:30,087 INFO L294 CegarLoopForPetriNet]: 782 programPoint places, 27 predicate places. [2022-12-06 16:47:30,087 INFO L495 AbstractCegarLoop]: Abstraction has has 809 places, 879 transitions, 2572 flow [2022-12-06 16:47:30,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 760.2857142857143) internal successors, (5322), 7 states have internal predecessors, (5322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:30,091 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:47:30,091 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:47:30,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-06 16:47:30,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:47:30,299 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 16:47:30,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:47:30,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1191577647, now seen corresponding path program 1 times [2022-12-06 16:47:30,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:47:30,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544376258] [2022-12-06 16:47:30,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:30,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:47:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:30,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 16:47:30,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:47:30,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544376258] [2022-12-06 16:47:30,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544376258] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 16:47:30,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137774595] [2022-12-06 16:47:30,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:47:30,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:47:30,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:47:30,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 16:47:30,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-06 16:47:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:47:31,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-06 16:47:31,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 16:47:31,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-06 16:47:31,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-06 16:47:31,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 16:47:31,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 16:47:31,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137774595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:47:31,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 16:47:31,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2022-12-06 16:47:31,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477988199] [2022-12-06 16:47:31,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:47:31,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-06 16:47:31,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:47:31,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-06 16:47:31,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-12-06 16:47:31,699 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 856 [2022-12-06 16:47:31,707 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 809 places, 879 transitions, 2572 flow. Second operand has 11 states, 11 states have (on average 742.4545454545455) internal successors, (8167), 11 states have internal predecessors, (8167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:31,707 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:47:31,707 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 856 [2022-12-06 16:47:31,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:47:33,815 INFO L130 PetriNetUnfolder]: 1899/7603 cut-off events. [2022-12-06 16:47:33,815 INFO L131 PetriNetUnfolder]: For 5830/6514 co-relation queries the response was YES. [2022-12-06 16:47:33,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13627 conditions, 7603 events. 1899/7603 cut-off events. For 5830/6514 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 62281 event pairs, 99 based on Foata normal form. 0/7042 useless extension candidates. Maximal degree in co-relation 2663. Up to 1413 conditions per place. [2022-12-06 16:47:33,867 INFO L137 encePairwiseOnDemand]: 841/856 looper letters, 0 selfloop transitions, 0 changer transitions 1014/1014 dead transitions. [2022-12-06 16:47:33,867 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 826 places, 1014 transitions, 4142 flow [2022-12-06 16:47:33,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-06 16:47:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2022-12-06 16:47:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 14924 transitions. [2022-12-06 16:47:33,892 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8717289719626168 [2022-12-06 16:47:33,894 INFO L294 CegarLoopForPetriNet]: 782 programPoint places, 44 predicate places. [2022-12-06 16:47:33,894 INFO L495 AbstractCegarLoop]: Abstraction has has 826 places, 1014 transitions, 4142 flow [2022-12-06 16:47:33,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 742.4545454545455) internal successors, (8167), 11 states have internal predecessors, (8167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 16:47:33,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-12-06 16:47:33,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2022-12-06 16:47:33,902 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-06 16:47:33,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-12-06 16:47:33,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2022-12-06 16:47:33,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-12-06 16:47:33,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-12-06 16:47:33,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-06 16:47:34,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 16:47:34,116 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-06 16:47:34,120 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 16:47:34,121 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 16:47:34,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:47:34 BasicIcfg [2022-12-06 16:47:34,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 16:47:34,125 INFO L158 Benchmark]: Toolchain (without parser) took 17101.54ms. Allocated memory was 183.5MB in the beginning and 856.7MB in the end (delta: 673.2MB). Free memory was 148.2MB in the beginning and 314.7MB in the end (delta: -166.5MB). Peak memory consumption was 508.3MB. Max. memory is 8.0GB. [2022-12-06 16:47:34,125 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:47:34,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4867.67ms. Allocated memory was 183.5MB in the beginning and 433.1MB in the end (delta: 249.6MB). Free memory was 147.8MB in the beginning and 291.1MB in the end (delta: -143.3MB). Peak memory consumption was 121.1MB. Max. memory is 8.0GB. [2022-12-06 16:47:34,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.73ms. Allocated memory is still 433.1MB. Free memory was 291.1MB in the beginning and 279.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-06 16:47:34,126 INFO L158 Benchmark]: Boogie Preprocessor took 105.05ms. Allocated memory is still 433.1MB. Free memory was 279.5MB in the beginning and 273.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-12-06 16:47:34,127 INFO L158 Benchmark]: RCFGBuilder took 1301.12ms. Allocated memory is still 433.1MB. Free memory was 273.8MB in the beginning and 206.1MB in the end (delta: 67.6MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. [2022-12-06 16:47:34,127 INFO L158 Benchmark]: TraceAbstraction took 10633.03ms. Allocated memory was 433.1MB in the beginning and 856.7MB in the end (delta: 423.6MB). Free memory was 205.6MB in the beginning and 314.7MB in the end (delta: -109.1MB). Peak memory consumption was 314.6MB. Max. memory is 8.0GB. [2022-12-06 16:47:34,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 183.5MB. Free memory is still 160.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4867.67ms. Allocated memory was 183.5MB in the beginning and 433.1MB in the end (delta: 249.6MB). Free memory was 147.8MB in the beginning and 291.1MB in the end (delta: -143.3MB). Peak memory consumption was 121.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 185.73ms. Allocated memory is still 433.1MB. Free memory was 291.1MB in the beginning and 279.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 105.05ms. Allocated memory is still 433.1MB. Free memory was 279.5MB in the beginning and 273.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1301.12ms. Allocated memory is still 433.1MB. Free memory was 273.8MB in the beginning and 206.1MB in the end (delta: 67.6MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. * TraceAbstraction took 10633.03ms. Allocated memory was 433.1MB in the beginning and 856.7MB in the end (delta: 423.6MB). Free memory was 205.6MB in the beginning and 314.7MB in the end (delta: -109.1MB). Peak memory consumption was 314.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 1005 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 10.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 451 mSDsluCounter, 1038 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 849 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 832 IncrementalHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 189 mSDtfsCounter, 832 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 679 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4142occurred in iteration=5, InterpolantAutomatonStates: 61, 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: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1934 NumberOfCodeBlocks, 1934 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1927 ConstructedInterpolants, 0 QuantifiedInterpolants, 2344 SizeOfPredicates, 21 NumberOfNonLiveVariables, 2113 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 16:47:34,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...