./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 791161d1 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-?-791161d [2022-07-22 22:33:39,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:33:39,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:33:39,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:33:39,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:33:39,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:33:39,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:33:39,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:33:39,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:33:39,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:33:39,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:33:39,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:33:39,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:33:39,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:33:39,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:33:39,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:33:39,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:33:39,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:33:39,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:33:39,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:33:39,582 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:33:39,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:33:39,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:33:39,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:33:39,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:33:39,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:33:39,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:33:39,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:33:39,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:33:39,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:33:39,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:33:39,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:33:39,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:33:39,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:33:39,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:33:39,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:33:39,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:33:39,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:33:39,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:33:39,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:33:39,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:33:39,599 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:33:39,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:33:39,622 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:33:39,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:33:39,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:33:39,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:33:39,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:33:39,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:33:39,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:33:39,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:33:39,624 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:33:39,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:33:39,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:33:39,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:33:39,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:33:39,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:33:39,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:33:39,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:33:39,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:33:39,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:33:39,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:33:39,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:33:39,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:33:39,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:33:39,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:33:39,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:33:39,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:33:39,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:33:39,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:33:39,628 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:33:39,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:33:39,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:33:39,629 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2022-07-22 22:33:39,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:33:39,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:33:39,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:33:39,831 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:33:39,831 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:33:39,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-07-22 22:33:39,876 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f853060/308e9d51c640493294a804289ad239a2/FLAG126df7826 [2022-07-22 22:33:40,442 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:33:40,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-07-22 22:33:40,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f853060/308e9d51c640493294a804289ad239a2/FLAG126df7826 [2022-07-22 22:33:40,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f853060/308e9d51c640493294a804289ad239a2 [2022-07-22 22:33:40,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:33:40,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:33:40,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:33:40,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:33:40,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:33:40,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:33:40" (1/1) ... [2022-07-22 22:33:40,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733b3062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:40, skipping insertion in model container [2022-07-22 22:33:40,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:33:40" (1/1) ... [2022-07-22 22:33:40,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:33:40,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:33:41,161 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] [2022-07-22 22:33:41,168 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] [2022-07-22 22:33:41,715 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:41,716 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:41,716 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:41,717 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:41,718 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:41,725 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:41,728 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:41,733 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:41,733 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:41,933 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:33:41,934 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:33:41,934 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:33:41,935 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:33:41,936 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:33:41,936 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:33:41,937 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:33:41,937 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:33:41,937 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:33:41,938 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:33:42,017 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:33:42,060 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,060 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:33:42,214 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:33:42,222 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] [2022-07-22 22:33:42,222 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] [2022-07-22 22:33:42,241 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,241 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,242 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,242 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,242 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,246 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,246 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,247 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,247 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,272 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-07-22 22:33:42,273 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-07-22 22:33:42,274 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-07-22 22:33:42,278 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-07-22 22:33:42,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-07-22 22:33:42,279 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-07-22 22:33:42,284 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-07-22 22:33:42,285 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-07-22 22:33:42,285 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-07-22 22:33:42,286 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-07-22 22:33:42,301 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-07-22 22:33:42,349 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,350 WARN L1550 CHandler]: Possible shadowing of function index [2022-07-22 22:33:42,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:33:42,600 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:33:42,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42 WrapperNode [2022-07-22 22:33:42,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:33:42,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:33:42,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:33:42,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:33:42,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,744 INFO L137 Inliner]: procedures = 693, calls = 2659, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 793 [2022-07-22 22:33:42,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:33:42,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:33:42,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:33:42,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:33:42,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:33:42,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:33:42,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:33:42,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:33:42,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (1/1) ... [2022-07-22 22:33:42,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:33:42,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:33:42,860 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) [2022-07-22 22:33:42,915 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 [2022-07-22 22:33:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-07-22 22:33:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-07-22 22:33:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:33:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-07-22 22:33:42,931 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-07-22 22:33:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:33:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:33:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:33:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:33:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:33:42,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:33:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-07-22 22:33:42,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-07-22 22:33:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 22:33:42,933 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-07-22 22:33:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-07-22 22:33:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 22:33:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 22:33:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:33:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:33:42,934 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-07-22 22:33:42,934 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-07-22 22:33:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-07-22 22:33:42,935 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-07-22 22:33:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:33:42,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:33:43,153 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:33:43,155 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:33:43,740 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:33:43,745 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:33:43,745 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 22:33:43,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:33:43 BoogieIcfgContainer [2022-07-22 22:33:43,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:33:43,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:33:43,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:33:43,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:33:43,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:33:40" (1/3) ... [2022-07-22 22:33:43,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5668747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:33:43, skipping insertion in model container [2022-07-22 22:33:43,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:33:42" (2/3) ... [2022-07-22 22:33:43,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5668747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:33:43, skipping insertion in model container [2022-07-22 22:33:43,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:33:43" (3/3) ... [2022-07-22 22:33:43,753 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2022-07-22 22:33:43,764 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:33:43,764 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-07-22 22:33:43,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5668747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:33:43, skipping insertion in model container [2022-07-22 22:33:43,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 22:33:43,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 22:33:43,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 22:33:43,769 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 22:33:43,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:33:43" (3/3) ... [2022-07-22 22:33:43,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 22:33:43,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-07-22 22:33:43,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-07-22 22:33:43,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-07-22 22:33:43,776 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-07-22 22:33:43,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-22 22:33:43,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-07-22 22:33:43,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-07-22 22:33:43,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2022-07-22 22:33:43,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2022-07-22 22:33:43,791 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-07-22 22:33:43,793 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-07-22 22:33:43,793 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-07-22 22:33:43,794 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-22 22:33:43,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 22:33:43,796 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 22:33:44,112 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 22:33:44,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 22:33:44,113 INFO L158 Benchmark]: Toolchain (without parser) took 3252.56ms. Allocated memory was 123.7MB in the beginning and 302.0MB in the end (delta: 178.3MB). Free memory was 93.7MB in the beginning and 168.1MB in the end (delta: -74.3MB). Peak memory consumption was 149.1MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,114 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:33:44,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1737.35ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 93.4MB in the beginning and 111.8MB in the end (delta: -18.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.50ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 100.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,115 INFO L158 Benchmark]: Boogie Preprocessor took 71.98ms. Allocated memory is still 169.9MB. Free memory was 100.4MB in the beginning and 94.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,115 INFO L158 Benchmark]: RCFGBuilder took 928.01ms. Allocated memory was 169.9MB in the beginning and 302.0MB in the end (delta: 132.1MB). Free memory was 94.1MB in the beginning and 198.0MB in the end (delta: -103.9MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,115 INFO L158 Benchmark]: TraceAbstraction took 19.52ms. Allocated memory is still 302.0MB. Free memory was 196.9MB in the beginning and 194.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,115 INFO L158 Benchmark]: Witness Printer took 343.75ms. Allocated memory is still 302.0MB. Free memory was 194.8MB in the beginning and 168.1MB in the end (delta: 26.8MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-07-22 22:33:44,117 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 123.7MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1737.35ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 93.4MB in the beginning and 111.8MB in the end (delta: -18.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 143.50ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 100.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.98ms. Allocated memory is still 169.9MB. Free memory was 100.4MB in the beginning and 94.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 928.01ms. Allocated memory was 169.9MB in the beginning and 302.0MB in the end (delta: 132.1MB). Free memory was 94.1MB in the beginning and 198.0MB in the end (delta: -103.9MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 19.52ms. Allocated memory is still 302.0MB. Free memory was 196.9MB in the beginning and 194.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 343.75ms. Allocated memory is still 302.0MB. Free memory was 194.8MB in the beginning and 168.1MB in the end (delta: 26.8MB). Peak memory consumption was 72.2MB. 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! [2022-07-22 22:33:44,142 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