./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-16 21:54:33,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 21:54:33,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 21:54:33,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 21:54:33,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 21:54:33,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 21:54:33,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 21:54:33,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 21:54:33,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 21:54:33,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 21:54:33,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 21:54:33,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 21:54:33,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 21:54:33,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 21:54:33,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 21:54:33,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 21:54:33,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 21:54:33,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 21:54:33,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 21:54:33,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 21:54:33,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 21:54:33,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 21:54:33,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 21:54:33,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 21:54:33,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 21:54:33,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 21:54:33,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 21:54:33,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 21:54:33,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 21:54:33,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 21:54:33,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 21:54:33,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 21:54:33,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 21:54:33,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 21:54:33,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 21:54:33,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 21:54:33,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 21:54:33,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 21:54:33,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 21:54:33,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 21:54:33,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 21:54:33,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 21:54:33,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 21:54:33,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 21:54:33,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 21:54:33,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 21:54:33,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 21:54:33,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 21:54:33,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 21:54:33,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 21:54:33,726 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 21:54:33,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 21:54:33,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 21:54:33,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 21:54:33,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 21:54:33,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 21:54:33,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 21:54:33,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 21:54:33,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 21:54:33,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 21:54:33,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 21:54:33,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 21:54:33,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 21:54:33,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:54:33,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 21:54:33,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 21:54:33,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 21:54:33,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 21:54:33,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 21:54:33,730 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 21:54:33,730 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 21:54:33,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 21:54:33,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 21:54:33,731 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2021-11-16 21:54:33,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 21:54:33,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 21:54:33,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 21:54:33,950 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 21:54:33,951 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 21:54:33,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2021-11-16 21:54:34,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb5b23fbb/1de5528e35be4d32bbb14a9c72adb14d/FLAGf5f545d62 [2021-11-16 21:54:34,579 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 21:54:34,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2021-11-16 21:54:34,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb5b23fbb/1de5528e35be4d32bbb14a9c72adb14d/FLAGf5f545d62 [2021-11-16 21:54:35,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb5b23fbb/1de5528e35be4d32bbb14a9c72adb14d [2021-11-16 21:54:35,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 21:54:35,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 21:54:35,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 21:54:35,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 21:54:35,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 21:54:35,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:54:35" (1/1) ... [2021-11-16 21:54:35,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:35, skipping insertion in model container [2021-11-16 21:54:35,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:54:35" (1/1) ... [2021-11-16 21:54:35,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 21:54:35,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 21:54:35,295 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] [2021-11-16 21:54:35,300 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] [2021-11-16 21:54:35,315 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 21:54:35,320 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 21:54:35,775 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:35,776 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:35,777 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:35,777 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:35,778 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:35,785 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:35,788 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:35,792 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:35,792 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:35,996 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 21:54:35,997 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 21:54:35,998 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 21:54:36,000 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 21:54:36,004 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 21:54:36,006 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 21:54:36,007 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 21:54:36,008 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 21:54:36,010 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 21:54:36,011 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 21:54:36,125 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 21:54:36,248 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,248 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,320 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:54:36,360 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 21:54:36,379 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] [2021-11-16 21:54:36,380 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] [2021-11-16 21:54:36,381 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-16 21:54:36,382 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-16 21:54:36,401 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,401 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,402 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,402 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,403 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,409 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,410 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,410 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,412 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,438 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-16 21:54:36,439 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-16 21:54:36,442 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-16 21:54:36,443 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-16 21:54:36,444 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-16 21:54:36,444 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-16 21:54:36,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-16 21:54:36,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-16 21:54:36,445 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-16 21:54:36,446 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-16 21:54:36,461 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-16 21:54:36,504 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,504 WARN L1537 CHandler]: Possible shadowing of function index [2021-11-16 21:54:36,531 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:54:36,675 INFO L208 MainTranslator]: Completed translation [2021-11-16 21:54:36,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36 WrapperNode [2021-11-16 21:54:36,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 21:54:36,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 21:54:36,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 21:54:36,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 21:54:36,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,829 INFO L137 Inliner]: procedures = 695, calls = 2661, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 788 [2021-11-16 21:54:36,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 21:54:36,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 21:54:36,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 21:54:36,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 21:54:36,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 21:54:36,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 21:54:36,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 21:54:36,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 21:54:36,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (1/1) ... [2021-11-16 21:54:36,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:54:36,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:54:36,932 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) [2021-11-16 21:54:36,941 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 [2021-11-16 21:54:36,979 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2021-11-16 21:54:36,979 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2021-11-16 21:54:36,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 21:54:36,979 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-16 21:54:36,980 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-16 21:54:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-16 21:54:36,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 21:54:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 21:54:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 21:54:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 21:54:36,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 21:54:36,981 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-16 21:54:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-16 21:54:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-16 21:54:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2021-11-16 21:54:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2021-11-16 21:54:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-16 21:54:36,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-16 21:54:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 21:54:36,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 21:54:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 21:54:36,983 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-16 21:54:36,983 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-16 21:54:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-16 21:54:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-16 21:54:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-16 21:54:36,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 21:54:37,221 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 21:54:37,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 21:54:37,855 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 21:54:37,860 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 21:54:37,861 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-16 21:54:37,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:54:37 BoogieIcfgContainer [2021-11-16 21:54:37,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 21:54:37,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 21:54:37,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 21:54:37,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 21:54:37,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:54:35" (1/3) ... [2021-11-16 21:54:37,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a26c220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:54:37, skipping insertion in model container [2021-11-16 21:54:37,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:54:36" (2/3) ... [2021-11-16 21:54:37,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a26c220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:54:37, skipping insertion in model container [2021-11-16 21:54:37,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:54:37" (3/3) ... [2021-11-16 21:54:37,870 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2021-11-16 21:54:37,873 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 21:54:37,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-16 21:54:37,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a26c220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 09:54:37, skipping insertion in model container [2021-11-16 21:54:37,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-16 21:54:37,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-16 21:54:37,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-16 21:54:37,875 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-16 21:54:37,876 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:54:37" (3/3) ... [2021-11-16 21:54:37,878 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-16 21:54:37,893 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2021-11-16 21:54:37,894 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2021-11-16 21:54:37,894 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2021-11-16 21:54:37,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2021-11-16 21:54:37,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-16 21:54:37,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2021-11-16 21:54:37,895 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2021-11-16 21:54:37,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2021-11-16 21:54:37,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2021-11-16 21:54:37,911 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-16 21:54:37,912 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-16 21:54:37,913 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-16 21:54:37,914 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-16 21:54:37,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-16 21:54:37,916 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-16 21:54:38,596 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-16 21:54:38,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-16 21:54:38,598 INFO L158 Benchmark]: Toolchain (without parser) took 3565.72ms. Allocated memory was 107.0MB in the beginning and 299.9MB in the end (delta: 192.9MB). Free memory was 71.7MB in the beginning and 85.8MB in the end (delta: -14.1MB). Peak memory consumption was 176.3MB. Max. memory is 16.1GB. [2021-11-16 21:54:38,598 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 21:54:38,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1640.61ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 71.4MB in the beginning and 73.1MB in the end (delta: -1.7MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2021-11-16 21:54:38,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.24ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 61.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-16 21:54:38,599 INFO L158 Benchmark]: Boogie Preprocessor took 77.57ms. Allocated memory is still 142.6MB. Free memory was 61.9MB in the beginning and 55.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-16 21:54:38,599 INFO L158 Benchmark]: RCFGBuilder took 953.47ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 55.6MB in the beginning and 151.2MB in the end (delta: -95.6MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2021-11-16 21:54:38,599 INFO L158 Benchmark]: TraceAbstraction took 10.47ms. Allocated memory is still 207.6MB. Free memory was 150.2MB in the beginning and 149.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-16 21:54:38,599 INFO L158 Benchmark]: Witness Printer took 721.23ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 149.1MB in the beginning and 85.8MB in the end (delta: 63.3MB). Peak memory consumption was 153.8MB. Max. memory is 16.1GB. [2021-11-16 21:54:38,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1640.61ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 71.4MB in the beginning and 73.1MB in the end (delta: -1.7MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.24ms. Allocated memory is still 142.6MB. Free memory was 73.1MB in the beginning and 61.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.57ms. Allocated memory is still 142.6MB. Free memory was 61.9MB in the beginning and 55.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 953.47ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 55.6MB in the beginning and 151.2MB in the end (delta: -95.6MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10.47ms. Allocated memory is still 207.6MB. Free memory was 150.2MB in the beginning and 149.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 721.23ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 149.1MB in the beginning and 85.8MB in the end (delta: 63.3MB). Peak memory consumption was 153.8MB. 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! [2021-11-16 21:54:38,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE