./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 bfd0d9ac 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 ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-bfd0d9a [2021-11-01 11:02:54,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-01 11:02:54,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-01 11:02:54,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-01 11:02:54,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-01 11:02:54,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-01 11:02:54,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-01 11:02:54,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-01 11:02:54,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-01 11:02:54,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-01 11:02:54,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-01 11:02:54,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-01 11:02:54,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-01 11:02:54,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-01 11:02:54,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-01 11:02:54,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-01 11:02:54,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-01 11:02:54,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-01 11:02:54,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-01 11:02:54,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-01 11:02:54,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-01 11:02:54,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-01 11:02:54,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-01 11:02:54,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-01 11:02:54,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-01 11:02:54,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-01 11:02:54,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-01 11:02:54,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-01 11:02:54,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-01 11:02:54,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-01 11:02:54,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-01 11:02:54,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-01 11:02:54,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-01 11:02:54,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-01 11:02:54,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-01 11:02:54,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-01 11:02:54,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-01 11:02:54,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-01 11:02:54,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-01 11:02:54,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-01 11:02:54,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-01 11:02:54,384 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-01 11:02:54,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-01 11:02:54,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-01 11:02:54,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-01 11:02:54,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-01 11:02:54,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-01 11:02:54,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-01 11:02:54,409 INFO L138 SettingsManager]: * Use SBE=true [2021-11-01 11:02:54,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-01 11:02:54,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-01 11:02:54,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-01 11:02:54,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-01 11:02:54,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-01 11:02:54,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-01 11:02:54,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-01 11:02:54,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-01 11:02:54,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-01 11:02:54,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-01 11:02:54,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-01 11:02:54,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-01 11:02:54,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 11:02:54,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-01 11:02:54,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-01 11:02:54,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-01 11:02:54,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-01 11:02:54,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-01 11:02:54,413 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-01 11:02:54,413 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-01 11:02:54,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-01 11:02:54,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-01 11:02:54,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2021-11-01 11:02:54,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-01 11:02:54,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-01 11:02:54,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-01 11:02:54,671 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-01 11:02:54,671 INFO L275 PluginConnector]: CDTParser initialized [2021-11-01 11:02:54,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2021-11-01 11:02:54,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0629168f1/09b77f91a726461f919d061230190b54/FLAG453e2cdc1 [2021-11-01 11:02:55,421 INFO L306 CDTParser]: Found 1 translation units. [2021-11-01 11:02:55,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2021-11-01 11:02:55,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0629168f1/09b77f91a726461f919d061230190b54/FLAG453e2cdc1 [2021-11-01 11:02:55,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0629168f1/09b77f91a726461f919d061230190b54 [2021-11-01 11:02:55,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-01 11:02:55,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-01 11:02:55,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-01 11:02:55,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-01 11:02:55,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-01 11:02:55,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 11:02:55" (1/1) ... [2021-11-01 11:02:55,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9ceff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:55, skipping insertion in model container [2021-11-01 11:02:55,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 11:02:55" (1/1) ... [2021-11-01 11:02:55,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-01 11:02:55,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-01 11:02:55,965 WARN L228 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] [2021-11-01 11:02:55,971 WARN L228 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] [2021-11-01 11:02:55,996 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-01 11:02:56,001 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-01 11:02:56,642 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:56,643 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:56,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:56,646 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:56,647 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:56,655 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:56,656 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:56,657 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:56,658 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:56,923 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-01 11:02:56,925 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-01 11:02:56,928 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-01 11:02:56,929 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-01 11:02:56,935 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-01 11:02:56,936 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-01 11:02:56,937 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-01 11:02:56,939 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-01 11:02:56,941 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-01 11:02:56,943 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-01 11:02:57,053 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-01 11:02:57,125 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,125 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 11:02:57,223 INFO L203 MainTranslator]: Completed pre-run [2021-11-01 11:02:57,241 WARN L228 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] [2021-11-01 11:02:57,242 WARN L228 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] [2021-11-01 11:02:57,244 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-01 11:02:57,244 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-01 11:02:57,276 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,277 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,277 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,277 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,279 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,290 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,290 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,291 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,291 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,327 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-01 11:02:57,328 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-01 11:02:57,329 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-01 11:02:57,334 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-01 11:02:57,336 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-01 11:02:57,337 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-01 11:02:57,338 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-01 11:02:57,338 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-01 11:02:57,338 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-01 11:02:57,338 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-01 11:02:57,358 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-01 11:02:57,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,407 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-01 11:02:57,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-01 11:02:57,607 INFO L208 MainTranslator]: Completed translation [2021-11-01 11:02:57,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57 WrapperNode [2021-11-01 11:02:57,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-01 11:02:57,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-01 11:02:57,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-01 11:02:57,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-01 11:02:57,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-01 11:02:57,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-01 11:02:57,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-01 11:02:57,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-01 11:02:57,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-01 11:02:57,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-01 11:02:57,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-01 11:02:57,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-01 11:02:57,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (1/1) ... [2021-11-01 11:02:57,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-01 11:02:57,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-01 11:02:57,913 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) [2021-11-01 11:02:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-01 11:02:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-01 11:02:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-01 11:02:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-01 11:02:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-01 11:02:57,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-01 11:02:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-01 11:02:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-01 11:02:57,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-01 11:02:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-01 11:02:57,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-01 11:02:57,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-01 11:02:57,921 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 [2021-11-01 11:03:02,922 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-01 11:03:02,922 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2021-11-01 11:03:02,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 11:03:02 BoogieIcfgContainer [2021-11-01 11:03:02,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-01 11:03:02,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-01 11:03:02,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-01 11:03:02,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-01 11:03:02,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 11:02:55" (1/3) ... [2021-11-01 11:03:02,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af1457c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 11:03:02, skipping insertion in model container [2021-11-01 11:03:02,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:02:57" (2/3) ... [2021-11-01 11:03:02,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af1457c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 11:03:02, skipping insertion in model container [2021-11-01 11:03:02,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 11:03:02" (3/3) ... [2021-11-01 11:03:02,932 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2021-11-01 11:03:02,937 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-01 11:03:02,938 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-01 11:03:02,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af1457c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 11:03:02, skipping insertion in model container [2021-11-01 11:03:02,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-01 11:03:02,941 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-01 11:03:02,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-01 11:03:02,941 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-01 11:03:02,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 11:03:02" (3/3) ... [2021-11-01 11:03:02,944 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-01 11:03:02,969 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 118 nodes and edges [2021-11-01 11:03:02,970 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2021-11-01 11:03:02,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2021-11-01 11:03:02,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-01 11:03:02,972 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-01 11:03:02,973 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-01 11:03:02,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-01 11:03:02,974 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-01 11:03:03,563 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-01 11:03:03,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-01 11:03:03,565 INFO L158 Benchmark]: Toolchain (without parser) took 7980.90ms. Allocated memory was 102.8MB in the beginning and 406.8MB in the end (delta: 304.1MB). Free memory was 65.9MB in the beginning and 168.7MB in the end (delta: -102.8MB). Peak memory consumption was 235.9MB. Max. memory is 16.1GB. [2021-11-01 11:03:03,565 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-01 11:03:03,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2023.51ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 65.7MB in the beginning and 57.7MB in the end (delta: 8.0MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2021-11-01 11:03:03,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.00ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 57.1MB in the beginning and 134.3MB in the end (delta: -77.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-01 11:03:03,566 INFO L158 Benchmark]: Boogie Preprocessor took 97.57ms. Allocated memory is still 188.7MB. Free memory was 134.3MB in the beginning and 127.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-01 11:03:03,567 INFO L158 Benchmark]: RCFGBuilder took 5048.17ms. Allocated memory was 188.7MB in the beginning and 337.6MB in the end (delta: 148.9MB). Free memory was 127.0MB in the beginning and 129.2MB in the end (delta: -2.2MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. [2021-11-01 11:03:03,569 INFO L158 Benchmark]: TraceAbstraction took 14.96ms. Allocated memory is still 337.6MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-01 11:03:03,570 INFO L158 Benchmark]: Witness Printer took 622.75ms. Allocated memory was 337.6MB in the beginning and 406.8MB in the end (delta: 69.2MB). Free memory was 127.1MB in the beginning and 168.7MB in the end (delta: -41.6MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2021-11-01 11:03:03,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2023.51ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 65.7MB in the beginning and 57.7MB in the end (delta: 8.0MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.00ms. Allocated memory was 136.3MB in the beginning and 188.7MB in the end (delta: 52.4MB). Free memory was 57.1MB in the beginning and 134.3MB in the end (delta: -77.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.57ms. Allocated memory is still 188.7MB. Free memory was 134.3MB in the beginning and 127.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5048.17ms. Allocated memory was 188.7MB in the beginning and 337.6MB in the end (delta: 148.9MB). Free memory was 127.0MB in the beginning and 129.2MB in the end (delta: -2.2MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. * TraceAbstraction took 14.96ms. Allocated memory is still 337.6MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 622.75ms. Allocated memory was 337.6MB in the beginning and 406.8MB in the end (delta: 69.2MB). Free memory was 127.1MB in the beginning and 168.7MB in the end (delta: -41.6MB). Peak memory consumption was 62.2MB. 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! [2021-11-01 11:03:03,600 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...