./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 11:17:10,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 11:17:10,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 11:17:10,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 11:17:10,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 11:17:10,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 11:17:10,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 11:17:10,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 11:17:10,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 11:17:10,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 11:17:10,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 11:17:10,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 11:17:10,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 11:17:10,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 11:17:10,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 11:17:10,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 11:17:10,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 11:17:10,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 11:17:10,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 11:17:10,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 11:17:10,733 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 11:17:10,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 11:17:10,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 11:17:10,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 11:17:10,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 11:17:10,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 11:17:10,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 11:17:10,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 11:17:10,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 11:17:10,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 11:17:10,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 11:17:10,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 11:17:10,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 11:17:10,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 11:17:10,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 11:17:10,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 11:17:10,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 11:17:10,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 11:17:10,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 11:17:10,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 11:17:10,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 11:17:10,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 11:17:10,749 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 11:17:10,773 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 11:17:10,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 11:17:10,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 11:17:10,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 11:17:10,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 11:17:10,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 11:17:10,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 11:17:10,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 11:17:10,776 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 11:17:10,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 11:17:10,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 11:17:10,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 11:17:10,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 11:17:10,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 11:17:10,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 11:17:10,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 11:17:10,778 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 11:17:10,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 11:17:10,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 11:17:10,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 11:17:10,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 11:17:10,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:17:10,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 11:17:10,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 11:17:10,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 11:17:10,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 11:17:10,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 11:17:10,780 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 11:17:10,780 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 11:17:10,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 11:17:10,780 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2022-07-12 11:17:10,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 11:17:10,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 11:17:10,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 11:17:10,987 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 11:17:10,987 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 11:17:10,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-07-12 11:17:11,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7110253cf/94184b92e270461a9265d2913b231d11/FLAGedb418a14 [2022-07-12 11:17:11,545 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 11:17:11,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-07-12 11:17:11,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7110253cf/94184b92e270461a9265d2913b231d11/FLAGedb418a14 [2022-07-12 11:17:12,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7110253cf/94184b92e270461a9265d2913b231d11 [2022-07-12 11:17:12,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 11:17:12,074 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 11:17:12,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 11:17:12,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 11:17:12,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 11:17:12,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:17:12" (1/1) ... [2022-07-12 11:17:12,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68eb4c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:12, skipping insertion in model container [2022-07-12 11:17:12,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:17:12" (1/1) ... [2022-07-12 11:17:12,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 11:17:12,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 11:17:12,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-07-12 11:17:12,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-07-12 11:17:12,927 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:12,931 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:12,932 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:12,933 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:12,935 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:12,948 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:12,950 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:12,956 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:12,957 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,160 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-12 11:17:13,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-12 11:17:13,161 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-12 11:17:13,162 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-12 11:17:13,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-12 11:17:13,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-12 11:17:13,163 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-12 11:17:13,164 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-12 11:17:13,164 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-12 11:17:13,165 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-12 11:17:13,255 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-12 11:17:13,394 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,394 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:17:13,466 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 11:17:13,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-07-12 11:17:13,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-07-12 11:17:13,492 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,492 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,493 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,493 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,493 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,496 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,497 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,497 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,498 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,522 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-12 11:17:13,523 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-12 11:17:13,523 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-12 11:17:13,528 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-12 11:17:13,529 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-12 11:17:13,529 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-12 11:17:13,530 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-12 11:17:13,530 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-12 11:17:13,531 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-12 11:17:13,531 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-12 11:17:13,546 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-12 11:17:13,613 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,615 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-12 11:17:13,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:17:13,830 INFO L208 MainTranslator]: Completed translation [2022-07-12 11:17:13,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13 WrapperNode [2022-07-12 11:17:13,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 11:17:13,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 11:17:13,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 11:17:13,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 11:17:13,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:13,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:14,006 INFO L137 Inliner]: procedures = 693, calls = 2659, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 793 [2022-07-12 11:17:14,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 11:17:14,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 11:17:14,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 11:17:14,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 11:17:14,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:14,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:14,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:14,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:14,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:14,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:14,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:14,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 11:17:14,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 11:17:14,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 11:17:14,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 11:17:14,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (1/1) ... [2022-07-12 11:17:14,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:17:14,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:17:14,133 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) [2022-07-12 11:17:14,164 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 [2022-07-12 11:17:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-07-12 11:17:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-07-12 11:17:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 11:17:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-12 11:17:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-12 11:17:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 11:17:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 11:17:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 11:17:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 11:17:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 11:17:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 11:17:14,186 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-12 11:17:14,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-12 11:17:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 11:17:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-07-12 11:17:14,187 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-07-12 11:17:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 11:17:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 11:17:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 11:17:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 11:17:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-12 11:17:14,188 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-12 11:17:14,188 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-12 11:17:14,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-12 11:17:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 11:17:14,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 11:17:14,338 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 11:17:14,339 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 11:17:14,986 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 11:17:14,993 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 11:17:14,994 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 11:17:14,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:17:14 BoogieIcfgContainer [2022-07-12 11:17:14,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 11:17:14,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 11:17:14,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 11:17:14,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 11:17:14,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 11:17:12" (1/3) ... [2022-07-12 11:17:14,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42de73d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:17:14, skipping insertion in model container [2022-07-12 11:17:15,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:17:13" (2/3) ... [2022-07-12 11:17:15,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42de73d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:17:15, skipping insertion in model container [2022-07-12 11:17:15,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:17:14" (3/3) ... [2022-07-12 11:17:15,001 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2022-07-12 11:17:15,012 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 11:17:15,013 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-07-12 11:17:15,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42de73d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 11:17:15, skipping insertion in model container [2022-07-12 11:17:15,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 11:17:15,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 11:17:15,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 11:17:15,018 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 11:17:15,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:17:14" (3/3) ... [2022-07-12 11:17:15,021 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 11:17:15,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-12 11:17:15,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-07-12 11:17:15,026 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-12 11:17:15,027 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-07-12 11:17:15,027 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-12 11:17:15,027 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-07-12 11:17:15,027 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-07-12 11:17:15,037 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2022-07-12 11:17:15,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2022-07-12 11:17:15,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-07-12 11:17:15,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-12 11:17:15,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-07-12 11:17:15,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-12 11:17:15,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 11:17:15,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 11:17:15,375 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 11:17:15,376 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 11:17:15,377 INFO L158 Benchmark]: Toolchain (without parser) took 3302.48ms. Allocated memory was 104.9MB in the beginning and 178.3MB in the end (delta: 73.4MB). Free memory was 68.0MB in the beginning and 103.8MB in the end (delta: -35.8MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. [2022-07-12 11:17:15,377 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:17:15,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1755.60ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 68.0MB in the beginning and 52.1MB in the end (delta: 15.9MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2022-07-12 11:17:15,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.89ms. Allocated memory is still 140.5MB. Free memory was 52.1MB in the beginning and 81.1MB in the end (delta: -28.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-07-12 11:17:15,378 INFO L158 Benchmark]: Boogie Preprocessor took 72.20ms. Allocated memory is still 140.5MB. Free memory was 81.1MB in the beginning and 74.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-12 11:17:15,379 INFO L158 Benchmark]: RCFGBuilder took 914.72ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 74.8MB in the beginning and 114.2MB in the end (delta: -39.3MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2022-07-12 11:17:15,379 INFO L158 Benchmark]: TraceAbstraction took 20.04ms. Allocated memory is still 178.3MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 11:17:15,379 INFO L158 Benchmark]: Witness Printer took 358.26ms. Allocated memory is still 178.3MB. Free memory was 112.1MB in the beginning and 103.8MB in the end (delta: 8.3MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2022-07-12 11:17:15,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 86.0MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1755.60ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 68.0MB in the beginning and 52.1MB in the end (delta: 15.9MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 174.89ms. Allocated memory is still 140.5MB. Free memory was 52.1MB in the beginning and 81.1MB in the end (delta: -28.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.20ms. Allocated memory is still 140.5MB. Free memory was 81.1MB in the beginning and 74.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 914.72ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 74.8MB in the beginning and 114.2MB in the end (delta: -39.3MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * TraceAbstraction took 20.04ms. Allocated memory is still 178.3MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 358.26ms. Allocated memory is still 178.3MB. Free memory was 112.1MB in the beginning and 103.8MB in the end (delta: 8.3MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-07-12 11:17:15,431 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE