/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 06:49:22,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 06:49:22,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 06:49:22,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 06:49:22,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 06:49:22,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 06:49:22,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 06:49:22,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 06:49:22,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 06:49:22,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 06:49:22,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 06:49:22,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 06:49:22,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 06:49:22,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 06:49:22,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 06:49:22,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 06:49:22,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 06:49:22,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 06:49:22,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 06:49:22,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 06:49:22,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 06:49:22,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 06:49:22,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 06:49:22,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 06:49:22,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 06:49:22,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 06:49:22,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 06:49:22,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 06:49:22,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 06:49:22,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 06:49:22,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 06:49:22,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 06:49:22,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 06:49:22,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 06:49:22,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 06:49:22,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 06:49:22,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 06:49:22,759 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 06:49:22,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 06:49:22,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 06:49:22,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 06:49:22,761 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 06:49:22,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 06:49:22,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 06:49:22,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 06:49:22,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 06:49:22,787 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 06:49:22,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 06:49:22,787 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 06:49:22,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 06:49:22,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 06:49:22,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 06:49:22,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 06:49:22,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 06:49:22,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 06:49:22,789 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 06:49:22,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 06:49:22,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 06:49:22,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 06:49:22,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 06:49:22,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 06:49:22,789 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 06:49:22,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 06:49:22,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:49:22,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 06:49:22,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 06:49:22,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 06:49:22,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 06:49:22,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 06:49:22,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 06:49:22,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 06:49:23,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 06:49:23,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 06:49:23,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 06:49:23,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 06:49:23,112 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 06:49:23,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-06 06:49:24,205 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 06:49:24,666 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 06:49:24,668 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-06 06:49:24,703 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f714c1c2a/df4235019ba44717ba2f43f4b690f928/FLAGb0d552877 [2022-12-06 06:49:24,715 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f714c1c2a/df4235019ba44717ba2f43f4b690f928 [2022-12-06 06:49:24,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 06:49:24,718 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 06:49:24,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 06:49:24,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 06:49:24,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 06:49:24,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:49:24" (1/1) ... [2022-12-06 06:49:24,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb8d228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:24, skipping insertion in model container [2022-12-06 06:49:24,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:49:24" (1/1) ... [2022-12-06 06:49:24,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 06:49:24,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 06:49:25,166 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_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 06:49:25,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,617 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,637 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,638 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,650 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,656 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:25,656 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:25,991 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 06:49:25,996 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:49:26,002 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:49:26,014 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:49:26,110 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 06:49:26,117 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 06:49:26,244 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 06:49:26,434 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 06:49:26,445 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 06:49:26,497 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 06:49:26,501 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 06:49:26,706 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 06:49:26,710 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 06:49:26,714 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 06:49:26,783 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 06:49:26,783 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 06:49:26,787 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 06:49:26,787 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 06:49:26,916 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 06:49:26,943 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 06:49:27,104 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 06:49:27,110 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 06:49:27,246 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 06:49:27,371 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 06:49:27,372 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 06:49:27,372 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 06:49:28,238 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 06:49:28,238 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:49:28,248 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:49:28,252 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:49:28,255 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:49:28,726 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 06:49:28,733 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 06:49:28,740 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 06:49:28,753 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 06:49:28,754 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 06:49:28,760 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 06:49:28,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:49:28,799 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 06:49:28,810 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_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-12-06 06:49:28,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,819 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,820 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,822 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,823 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,824 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 06:49:28,825 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 06:49:28,833 WARN L623 FunctionHandler]: Unknown extern function cpu_relax [2022-12-06 06:49:28,833 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:49:28,834 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:49:28,834 WARN L623 FunctionHandler]: Unknown extern function smp_rmb [2022-12-06 06:49:28,837 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 06:49:28,837 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-06 06:49:28,839 WARN L623 FunctionHandler]: Unknown extern function __iter_div_u64_rem [2022-12-06 06:49:28,846 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 06:49:28,847 WARN L623 FunctionHandler]: Unknown extern function atomic_add_unless [2022-12-06 06:49:28,849 WARN L623 FunctionHandler]: Unknown extern function kobject_get [2022-12-06 06:49:28,849 WARN L623 FunctionHandler]: Unknown extern function kobject_put [2022-12-06 06:49:28,855 WARN L623 FunctionHandler]: Unknown extern function bit_spin_lock [2022-12-06 06:49:28,855 WARN L623 FunctionHandler]: Unknown extern function __bit_spin_unlock [2022-12-06 06:49:28,855 WARN L623 FunctionHandler]: Unknown extern function bit_spin_is_locked [2022-12-06 06:49:28,858 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-06 06:49:28,858 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 06:49:28,858 WARN L623 FunctionHandler]: Unknown extern function d_instantiate_unique [2022-12-06 06:49:28,858 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-06 06:49:28,864 WARN L623 FunctionHandler]: Unknown extern function timespec_trunc [2022-12-06 06:49:28,865 WARN L623 FunctionHandler]: Unknown extern function __tty_alloc_driver [2022-12-06 06:49:28,869 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-12-06 06:49:28,869 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-06 06:49:28,872 WARN L623 FunctionHandler]: Unknown extern function tty_termios_baud_rate [2022-12-06 06:49:28,874 WARN L623 FunctionHandler]: Unknown extern function tty_unlock [2022-12-06 06:49:28,875 WARN L623 FunctionHandler]: Unknown extern function tty_wait_until_sent [2022-12-06 06:49:28,875 WARN L623 FunctionHandler]: Unknown extern function tty_lock [2022-12-06 06:49:28,982 WARN L611 FunctionHandler]: implicit declaration of function __builtin_constant_p [2022-12-06 06:49:28,983 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:49:28,985 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:49:28,987 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:49:28,988 WARN L623 FunctionHandler]: Unknown extern function ____ilog2_NaN [2022-12-06 06:49:29,015 WARN L623 FunctionHandler]: Unknown extern function nvram_read_byte [2022-12-06 06:49:29,017 WARN L623 FunctionHandler]: Unknown extern function nvram_write_byte [2022-12-06 06:49:29,017 WARN L623 FunctionHandler]: Unknown extern function nvram_sync [2022-12-06 06:49:29,018 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-06 06:49:29,019 WARN L623 FunctionHandler]: Unknown extern function nvram_get_size [2022-12-06 06:49:29,019 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-06 06:49:29,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 06:49:29,401 INFO L208 MainTranslator]: Completed translation [2022-12-06 06:49:29,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29 WrapperNode [2022-12-06 06:49:29,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 06:49:29,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 06:49:29,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 06:49:29,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 06:49:29,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,541 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 16, statements flattened = 282 [2022-12-06 06:49:29,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 06:49:29,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 06:49:29,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 06:49:29,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 06:49:29,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,597 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 06:49:29,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 06:49:29,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 06:49:29,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 06:49:29,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (1/1) ... [2022-12-06 06:49:29,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 06:49:29,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 06:49:29,659 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 06:49:29,678 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 06:49:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 06:49:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 06:49:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 06:49:29,689 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2022-12-06 06:49:29,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 06:49:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 06:49:29,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 06:49:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-06 06:49:29,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 06:49:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 06:49:29,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 06:49:29,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 06:49:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 06:49:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 06:49:29,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 06:49:29,697 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_llseek [2022-12-06 06:49:29,697 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_llseek [2022-12-06 06:49:29,698 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 06:49:30,013 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 06:49:30,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 06:49:30,294 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 06:49:30,317 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 06:49:30,317 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 06:49:30,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:49:30 BoogieIcfgContainer [2022-12-06 06:49:30,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 06:49:30,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 06:49:30,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 06:49:30,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 06:49:30,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:49:24" (1/3) ... [2022-12-06 06:49:30,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7c389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:49:30, skipping insertion in model container [2022-12-06 06:49:30,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:49:29" (2/3) ... [2022-12-06 06:49:30,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7c389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:49:30, skipping insertion in model container [2022-12-06 06:49:30,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:49:30" (3/3) ... [2022-12-06 06:49:30,327 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-12-06 06:49:30,340 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 06:49:30,340 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 06:49:30,340 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 06:49:30,417 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 06:49:30,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 289 places, 293 transitions, 602 flow [2022-12-06 06:49:30,558 INFO L130 PetriNetUnfolder]: 11/291 cut-off events. [2022-12-06 06:49:30,559 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 06:49:30,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 291 events. 11/291 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 228 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 229. Up to 5 conditions per place. [2022-12-06 06:49:30,566 INFO L82 GeneralOperation]: Start removeDead. Operand has 289 places, 293 transitions, 602 flow [2022-12-06 06:49:30,574 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 279 places, 283 transitions, 575 flow [2022-12-06 06:49:30,576 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:49:30,590 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 279 places, 283 transitions, 575 flow [2022-12-06 06:49:30,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 279 places, 283 transitions, 575 flow [2022-12-06 06:49:30,662 INFO L130 PetriNetUnfolder]: 11/283 cut-off events. [2022-12-06 06:49:30,663 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:49:30,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 283 events. 11/283 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 227 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 229. Up to 5 conditions per place. [2022-12-06 06:49:30,670 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 279 places, 283 transitions, 575 flow [2022-12-06 06:49:30,670 INFO L188 LiptonReduction]: Number of co-enabled transitions 5460 [2022-12-06 06:49:31,626 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:31,627 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:31,920 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:31,921 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:31,922 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:31,923 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:32,445 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:32,446 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:32,448 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:32,449 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:32,621 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:32,621 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:32,663 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:32,663 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:32,784 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:32,784 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:32,786 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:32,786 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:32,977 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:32,978 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:49:32,979 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:32,980 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:37,297 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:37,298 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:37,300 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:37,301 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:37,426 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:37,427 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:37,428 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:37,429 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:38,058 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:38,059 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:38,061 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:38,061 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:45,208 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:45,209 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:45,210 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:45,210 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:45,243 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:45,243 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2022-12-06 06:49:45,472 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:45,473 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:45,474 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:45,475 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:45,476 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:45,476 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:45,477 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:45,478 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:47,701 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:47,702 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:47,702 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:47,703 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:47,784 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:47,784 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:47,785 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:47,785 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:47,891 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:47,892 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:47,895 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:47,895 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:49:56,073 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:56,074 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 06:49:56,077 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:56,078 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2022-12-06 06:49:56,081 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:56,081 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 06:49:57,444 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:57,445 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2022-12-06 06:49:57,448 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:57,448 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2022-12-06 06:49:57,451 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:57,451 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2022-12-06 06:49:57,453 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:57,454 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2022-12-06 06:49:57,456 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:49:57,456 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2022-12-06 06:50:00,562 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:50:00,563 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:50:00,565 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:50:00,565 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:50:52,054 WARN L233 SmtUtils]: Spent 11.87s on a formula simplification that was a NOOP. DAG size: 419 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:51:03,094 WARN L233 SmtUtils]: Spent 11.04s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:51:19,617 WARN L233 SmtUtils]: Spent 16.52s on a formula simplification that was a NOOP. DAG size: 419 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:51:36,139 WARN L233 SmtUtils]: Spent 16.52s on a formula simplification that was a NOOP. DAG size: 407 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:51:36,146 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:36,146 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:36,148 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:36,148 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:36,781 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:36,782 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:36,784 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:36,784 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:36,788 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:36,789 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:36,791 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:36,791 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:37,745 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:37,746 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:37,748 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:37,748 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:37,751 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:37,751 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:51:37,753 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 06:51:37,754 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 06:53:26,200 WARN L233 SmtUtils]: Spent 1.81m on a formula simplification. DAG size of input: 515 DAG size of output: 511 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:54:26,218 WARN L233 SmtUtils]: Spent 1.00m on a formula simplification that was a NOOP. DAG size: 501 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:56:05,618 WARN L233 SmtUtils]: Spent 1.66m on a formula simplification. DAG size of input: 527 DAG size of output: 521 (called from [L 287] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:56:45,966 WARN L233 SmtUtils]: Spent 40.34s on a formula simplification that was a NOOP. DAG size: 510 (called from [L 310] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-06 06:56:47,746 INFO L203 LiptonReduction]: Total number of compositions: 268 [2022-12-06 06:56:47,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 06:56:47,767 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=REPEATED_LIPTON_PN, 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;@16656d5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 06:56:47,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 06:56:47,773 INFO L130 PetriNetUnfolder]: 1/15 cut-off events. [2022-12-06 06:56:47,774 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 06:56:47,774 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:56:47,774 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:56:47,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 06:56:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:56:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1428021844, now seen corresponding path program 1 times [2022-12-06 06:56:47,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:56:47,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510390604] [2022-12-06 06:56:47,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:56:47,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:56:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:56:48,706 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 06:56:48,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:56:48,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510390604] [2022-12-06 06:56:48,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510390604] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:56:48,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:56:48,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 06:56:48,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053409517] [2022-12-06 06:56:48,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:56:48,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 06:56:48,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:56:48,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 06:56:48,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 06:56:48,730 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 18 [2022-12-06 06:56:48,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 45 flow. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-12-06 06:56:48,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:56:48,732 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 18 [2022-12-06 06:56:48,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:56:48,912 INFO L130 PetriNetUnfolder]: 135/262 cut-off events. [2022-12-06 06:56:48,912 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-06 06:56:48,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 262 events. 135/262 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 989 event pairs, 65 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 464. Up to 191 conditions per place. [2022-12-06 06:56:48,914 INFO L137 encePairwiseOnDemand]: 12/18 looper letters, 13 selfloop transitions, 5 changer transitions 10/28 dead transitions. [2022-12-06 06:56:48,914 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 28 transitions, 124 flow [2022-12-06 06:56:48,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 06:56:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 06:56:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 29 transitions. [2022-12-06 06:56:48,922 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5370370370370371 [2022-12-06 06:56:48,923 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 45 flow. Second operand 3 states and 29 transitions. [2022-12-06 06:56:48,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 28 transitions, 124 flow [2022-12-06 06:56:48,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 28 transitions, 117 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-06 06:56:48,926 INFO L231 Difference]: Finished difference. Result has 24 places, 17 transitions, 61 flow [2022-12-06 06:56:48,927 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=18, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=24, PETRI_TRANSITIONS=17} [2022-12-06 06:56:48,929 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places. [2022-12-06 06:56:48,930 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 06:56:48,930 INFO L89 Accepts]: Start accepts. Operand has 24 places, 17 transitions, 61 flow [2022-12-06 06:56:48,932 INFO L95 Accepts]: Finished accepts. [2022-12-06 06:56:48,932 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:56:48,932 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 17 transitions, 61 flow [2022-12-06 06:56:48,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 21 places, 17 transitions, 61 flow [2022-12-06 06:56:48,940 INFO L130 PetriNetUnfolder]: 4/29 cut-off events. [2022-12-06 06:56:48,940 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 06:56:48,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 29 events. 4/29 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 71 event pairs, 2 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 48. Up to 16 conditions per place. [2022-12-06 06:56:48,941 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 17 transitions, 61 flow [2022-12-06 06:56:48,941 INFO L188 LiptonReduction]: Number of co-enabled transitions 50 [2022-12-06 06:56:48,952 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:56:48,953 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 24 [2022-12-06 06:56:48,954 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 17 transitions, 61 flow [2022-12-06 06:56:48,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-12-06 06:56:48,954 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 06:56:48,954 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 06:56:48,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 06:56:48,954 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 06:56:48,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 06:56:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1319006059, now seen corresponding path program 1 times [2022-12-06 06:56:48,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 06:56:48,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386949077] [2022-12-06 06:56:48,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 06:56:48,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 06:56:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 06:56:49,861 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 06:56:49,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 06:56:49,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386949077] [2022-12-06 06:56:49,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386949077] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 06:56:49,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 06:56:49,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 06:56:49,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496218052] [2022-12-06 06:56:49,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 06:56:49,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 06:56:49,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 06:56:49,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 06:56:49,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 06:56:49,863 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 14 [2022-12-06 06:56:49,864 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 17 transitions, 61 flow. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:56:49,864 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 06:56:49,864 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 14 [2022-12-06 06:56:49,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 06:56:50,318 INFO L130 PetriNetUnfolder]: 35/84 cut-off events. [2022-12-06 06:56:50,319 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 06:56:50,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 84 events. 35/84 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 240 event pairs, 9 based on Foata normal form. 10/82 useless extension candidates. Maximal degree in co-relation 127. Up to 34 conditions per place. [2022-12-06 06:56:50,320 INFO L137 encePairwiseOnDemand]: 10/14 looper letters, 0 selfloop transitions, 0 changer transitions 27/27 dead transitions. [2022-12-06 06:56:50,320 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 27 transitions, 145 flow [2022-12-06 06:56:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 06:56:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 06:56:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-12-06 06:56:50,322 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.37142857142857144 [2022-12-06 06:56:50,322 INFO L175 Difference]: Start difference. First operand has 21 places, 17 transitions, 61 flow. Second operand 5 states and 26 transitions. [2022-12-06 06:56:50,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 27 transitions, 145 flow [2022-12-06 06:56:50,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 27 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 06:56:50,323 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2022-12-06 06:56:50,323 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=14, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2022-12-06 06:56:50,324 INFO L294 CegarLoopForPetriNet]: 24 programPoint places, -1 predicate places. [2022-12-06 06:56:50,324 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 06:56:50,324 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 0 transitions, 0 flow [2022-12-06 06:56:50,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-06 06:56:50,324 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-06 06:56:50,324 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 06:56:50,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-06 06:56:50,324 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-06 06:56:50,324 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 06:56:50,324 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 06:56:50,325 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1 [2022-12-06 06:56:50,325 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-06 06:56:50,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 06:56:50,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2022-12-06 06:56:50,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 06:56:50,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-12-06 06:56:50,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_nvram_llseekErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-12-06 06:56:50,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 06:56:50,327 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-06 06:56:50,330 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 06:56:50,331 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 06:56:50,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:56:50 BasicIcfg [2022-12-06 06:56:50,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 06:56:50,337 INFO L158 Benchmark]: Toolchain (without parser) took 445618.69ms. Allocated memory was 219.2MB in the beginning and 525.3MB in the end (delta: 306.2MB). Free memory was 185.2MB in the beginning and 445.0MB in the end (delta: -259.8MB). Peak memory consumption was 47.3MB. Max. memory is 8.0GB. [2022-12-06 06:56:50,337 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 219.2MB. Free memory is still 196.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:56:50,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4684.06ms. Allocated memory was 219.2MB in the beginning and 313.5MB in the end (delta: 94.4MB). Free memory was 185.2MB in the beginning and 221.6MB in the end (delta: -36.5MB). Peak memory consumption was 162.1MB. Max. memory is 8.0GB. [2022-12-06 06:56:50,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.62ms. Allocated memory is still 313.5MB. Free memory was 221.6MB in the beginning and 212.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-12-06 06:56:50,343 INFO L158 Benchmark]: Boogie Preprocessor took 60.11ms. Allocated memory is still 313.5MB. Free memory was 212.7MB in the beginning and 208.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-06 06:56:50,344 INFO L158 Benchmark]: RCFGBuilder took 700.89ms. Allocated memory is still 313.5MB. Free memory was 208.6MB in the beginning and 168.2MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-12-06 06:56:50,344 INFO L158 Benchmark]: TraceAbstraction took 440014.61ms. Allocated memory was 313.5MB in the beginning and 525.3MB in the end (delta: 211.8MB). Free memory was 167.7MB in the beginning and 445.0MB in the end (delta: -277.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 06:56:50,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 219.2MB. Free memory is still 196.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4684.06ms. Allocated memory was 219.2MB in the beginning and 313.5MB in the end (delta: 94.4MB). Free memory was 185.2MB in the beginning and 221.6MB in the end (delta: -36.5MB). Peak memory consumption was 162.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 138.62ms. Allocated memory is still 313.5MB. Free memory was 221.6MB in the beginning and 212.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.11ms. Allocated memory is still 313.5MB. Free memory was 212.7MB in the beginning and 208.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 700.89ms. Allocated memory is still 313.5MB. Free memory was 208.6MB in the beginning and 168.2MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * TraceAbstraction took 440014.61ms. Allocated memory was 313.5MB in the beginning and 525.3MB in the end (delta: 211.8MB). Free memory was 167.7MB in the beginning and 445.0MB in the end (delta: -277.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 437.1s, 279 PlacesBefore, 24 PlacesAfterwards, 283 TransitionsBefore, 18 TransitionsAfterwards, 5460 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 175 TrivialYvCompositions, 83 ConcurrentYvCompositions, 5 ChoiceCompositions, 268 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 3864, independent unconditional: 0, dependent: 51, dependent conditional: 51, dependent unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3924, independent: 3864, independent conditional: 0, independent unconditional: 3864, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3088, independent: 3061, independent conditional: 0, independent unconditional: 3061, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3088, independent: 3046, independent conditional: 0, independent unconditional: 3046, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4443, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 4284, unknown conditional: 0, unknown unconditional: 4284] ], Cache Queries: [ total: 3924, independent: 803, independent conditional: 0, independent unconditional: 803, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 3094, unknown conditional: 0, unknown unconditional: 3094] , Statistics on independence cache: Total cache size (in pairs): 6862, Positive cache size: 6838, Positive conditional cache size: 0, Positive unconditional cache size: 6838, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 3, Unknown conditional cache size: 0, Unknown unconditional cache size: 3, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 21 PlacesBefore, 21 PlacesAfterwards, 17 TransitionsBefore, 17 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 370 locations, 4 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: 439.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 437.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=1, InterpolantAutomatonStates: 8, 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 06:56:50,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...