./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 87fd6ee1 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 /storage/repos/ultimate/trunk/examples/svcomp/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 945f51c9b2d5cbb4bd6eb1e0ea16d88f59262a61 ......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-87fd6ee [2020-12-04 19:20:40,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 19:20:40,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 19:20:40,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 19:20:40,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 19:20:40,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 19:20:40,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 19:20:40,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 19:20:40,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 19:20:40,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 19:20:40,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 19:20:40,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 19:20:40,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 19:20:40,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 19:20:40,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 19:20:40,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 19:20:40,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 19:20:40,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 19:20:40,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 19:20:40,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 19:20:40,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 19:20:40,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 19:20:40,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 19:20:40,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 19:20:40,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 19:20:40,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 19:20:40,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 19:20:40,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 19:20:40,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 19:20:40,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 19:20:40,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 19:20:40,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 19:20:40,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 19:20:40,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 19:20:40,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 19:20:40,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 19:20:40,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 19:20:40,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 19:20:40,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 19:20:40,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 19:20:40,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 19:20:40,515 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 19:20:40,575 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 19:20:40,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 19:20:40,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 19:20:40,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 19:20:40,578 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 19:20:40,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 19:20:40,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 19:20:40,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 19:20:40,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 19:20:40,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 19:20:40,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 19:20:40,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 19:20:40,582 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 19:20:40,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 19:20:40,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 19:20:40,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 19:20:40,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 19:20:40,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 19:20:40,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 19:20:40,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 19:20:40,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 19:20:40,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 19:20:40,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 19:20:40,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 19:20:40,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 19:20:40,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 945f51c9b2d5cbb4bd6eb1e0ea16d88f59262a61 [2020-12-04 19:20:40,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 19:20:41,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 19:20:41,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 19:20:41,013 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 19:20:41,014 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 19:20:41,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness.i [2020-12-04 19:20:41,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a6e322c/672cc4c46c1943c1a77efbd9feb26651/FLAG4d8d22c25 [2020-12-04 19:20:42,203 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 19:20:42,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness.i [2020-12-04 19:20:42,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a6e322c/672cc4c46c1943c1a77efbd9feb26651/FLAG4d8d22c25 [2020-12-04 19:20:42,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a6e322c/672cc4c46c1943c1a77efbd9feb26651 [2020-12-04 19:20:42,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 19:20:42,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 19:20:42,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 19:20:42,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 19:20:42,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 19:20:42,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:20:42" (1/1) ... [2020-12-04 19:20:42,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0c8fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:42, skipping insertion in model container [2020-12-04 19:20:42,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 07:20:42" (1/1) ... [2020-12-04 19:20:42,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 19:20:42,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 19:20:43,122 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2020-12-04 19:20:43,135 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2020-12-04 19:20:43,176 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:20:43,188 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:20:44,383 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:44,384 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:44,385 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:44,386 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:44,387 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:44,401 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:44,402 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:44,404 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:44,405 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:44,794 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:20:44,796 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:20:44,797 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:20:44,799 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:20:44,801 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:20:44,802 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:20:44,803 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:20:44,804 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:20:44,805 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:20:44,805 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:20:44,965 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 19:20:45,150 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,150 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:20:45,401 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 19:20:45,438 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2020-12-04 19:20:45,440 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2020-12-04 19:20:45,443 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 19:20:45,444 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 19:20:45,524 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,526 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,526 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,528 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,529 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,537 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,538 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,539 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,541 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,613 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 19:20:45,614 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 19:20:45,615 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 19:20:45,624 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 19:20:45,627 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 19:20:45,628 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 19:20:45,630 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 19:20:45,632 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 19:20:45,634 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 19:20:45,635 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 19:20:45,666 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 19:20:45,752 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,753 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 19:20:45,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 19:20:47,178 INFO L208 MainTranslator]: Completed translation [2020-12-04 19:20:47,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47 WrapperNode [2020-12-04 19:20:47,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 19:20:47,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 19:20:47,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 19:20:47,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 19:20:47,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... [2020-12-04 19:20:47,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... [2020-12-04 19:20:47,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 19:20:47,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 19:20:47,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 19:20:47,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 19:20:47,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... [2020-12-04 19:20:47,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... [2020-12-04 19:20:47,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... [2020-12-04 19:20:47,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... [2020-12-04 19:20:47,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... [2020-12-04 19:20:47,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... [2020-12-04 19:20:47,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... [2020-12-04 19:20:47,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 19:20:47,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 19:20:47,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 19:20:47,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 19:20:47,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 19:20:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 19:20:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 19:20:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 19:20:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-04 19:20:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 19:20:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 19:20:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-04 19:20:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 19:20:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-04 19:20:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 19:20:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 19:20:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 19:20:57,180 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 19:20:57,181 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-04 19:20:57,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:20:57 BoogieIcfgContainer [2020-12-04 19:20:57,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 19:20:57,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 19:20:57,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 19:20:57,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 19:20:57,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 07:20:42" (1/3) ... [2020-12-04 19:20:57,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314faf5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:20:57, skipping insertion in model container [2020-12-04 19:20:57,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 07:20:47" (2/3) ... [2020-12-04 19:20:57,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@314faf5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 07:20:57, skipping insertion in model container [2020-12-04 19:20:57,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:20:57" (3/3) ... [2020-12-04 19:20:57,193 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2020-12-04 19:20:57,209 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 19:20:57,213 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-12-04 19:20:57,227 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-12-04 19:20:57,253 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 19:20:57,254 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 19:20:57,254 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 19:20:57,254 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 19:20:57,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 19:20:57,255 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 19:20:57,255 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 19:20:57,255 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 19:20:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-12-04 19:20:57,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-04 19:20:57,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 39 states. [2020-12-04 19:20:57,339 INFO L262 CegarLoopResult]: For program point L7063(lines 7063 7067) no Hoare annotation was computed. [2020-12-04 19:20:57,339 INFO L262 CegarLoopResult]: For program point L7055(lines 7055 7068) no Hoare annotation was computed. [2020-12-04 19:20:57,339 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-04 19:20:57,339 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-04 19:20:57,340 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-04 19:20:57,340 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-04 19:20:57,340 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-04 19:20:57,340 INFO L262 CegarLoopResult]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2020-12-04 19:20:57,341 INFO L262 CegarLoopResult]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2020-12-04 19:20:57,341 INFO L265 CegarLoopResult]: At program point L6809(lines 6800 6810) the Hoare annotation is: true [2020-12-04 19:20:57,341 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-04 19:20:57,341 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-04 19:20:57,342 INFO L262 CegarLoopResult]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2020-12-04 19:20:57,342 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-04 19:20:57,342 INFO L262 CegarLoopResult]: For program point L6256(line 6256) no Hoare annotation was computed. [2020-12-04 19:20:57,342 INFO L262 CegarLoopResult]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2020-12-04 19:20:57,343 INFO L262 CegarLoopResult]: For program point L211-6(line 211) no Hoare annotation was computed. [2020-12-04 19:20:57,343 INFO L265 CegarLoopResult]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: true [2020-12-04 19:20:57,343 INFO L262 CegarLoopResult]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2020-12-04 19:20:57,343 INFO L262 CegarLoopResult]: For program point L211-8(line 211) no Hoare annotation was computed. [2020-12-04 19:20:57,344 INFO L265 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: true [2020-12-04 19:20:57,344 INFO L262 CegarLoopResult]: For program point L9320(lines 9320 9321) no Hoare annotation was computed. [2020-12-04 19:20:57,344 INFO L265 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: true [2020-12-04 19:20:57,344 INFO L265 CegarLoopResult]: At program point L6884(lines 6883 6885) the Hoare annotation is: true [2020-12-04 19:20:57,345 INFO L262 CegarLoopResult]: For program point L9320-2(lines 9320 9321) no Hoare annotation was computed. [2020-12-04 19:20:57,345 INFO L262 CegarLoopResult]: For program point L8983(lines 1 9325) no Hoare annotation was computed. [2020-12-04 19:20:57,345 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-04 19:20:57,345 INFO L262 CegarLoopResult]: For program point L6804-2(lines 6804 6805) no Hoare annotation was computed. [2020-12-04 19:20:57,345 INFO L262 CegarLoopResult]: For program point L8984(line 8984) no Hoare annotation was computed. [2020-12-04 19:20:57,346 INFO L262 CegarLoopResult]: For program point L6804(lines 6804 6805) no Hoare annotation was computed. [2020-12-04 19:20:57,346 INFO L262 CegarLoopResult]: For program point L8984-2(line 8984) no Hoare annotation was computed. [2020-12-04 19:20:57,346 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-04 19:20:57,346 INFO L262 CegarLoopResult]: For program point L8985(line 8985) no Hoare annotation was computed. [2020-12-04 19:20:57,347 INFO L262 CegarLoopResult]: For program point L8985-2(lines 8985 8987) no Hoare annotation was computed. [2020-12-04 19:20:57,347 INFO L265 CegarLoopResult]: At program point L6797(lines 6794 6798) the Hoare annotation is: true [2020-12-04 19:20:57,347 INFO L265 CegarLoopResult]: At program point L6789(lines 6787 6792) the Hoare annotation is: true [2020-12-04 19:20:57,347 INFO L265 CegarLoopResult]: At program point L6880(lines 6876 6881) the Hoare annotation is: true [2020-12-04 19:20:57,348 INFO L265 CegarLoopResult]: At program point L9325(line 9325) the Hoare annotation is: true [2020-12-04 19:20:57,348 INFO L265 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: true [2020-12-04 19:20:57,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 07:20:57 BoogieIcfgContainer [2020-12-04 19:20:57,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 19:20:57,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 19:20:57,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 19:20:57,361 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 19:20:57,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 07:20:57" (3/4) ... [2020-12-04 19:20:57,365 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-04 19:20:57,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 118 nodes and edges [2020-12-04 19:20:57,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2020-12-04 19:20:57,394 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2020-12-04 19:20:57,396 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-04 19:20:57,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-04 19:20:57,399 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-04 19:20:57,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-04 19:20:57,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-04 19:20:58,475 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-04 19:20:58,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 19:20:58,479 INFO L168 Benchmark]: Toolchain (without parser) took 15869.79 ms. Allocated memory was 54.5 MB in the beginning and 436.2 MB in the end (delta: 381.7 MB). Free memory was 33.3 MB in the beginning and 277.6 MB in the end (delta: -244.3 MB). Peak memory consumption was 307.0 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:58,479 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 44.0 MB. Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 19:20:58,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4569.40 ms. Allocated memory was 54.5 MB in the beginning and 121.6 MB in the end (delta: 67.1 MB). Free memory was 33.2 MB in the beginning and 43.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 83.1 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:58,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 290.78 ms. Allocated memory is still 121.6 MB. Free memory was 43.6 MB in the beginning and 32.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:58,481 INFO L168 Benchmark]: Boogie Preprocessor took 170.80 ms. Allocated memory is still 121.6 MB. Free memory was 32.1 MB in the beginning and 24.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:58,482 INFO L168 Benchmark]: RCFGBuilder took 9538.54 ms. Allocated memory was 121.6 MB in the beginning and 436.2 MB in the end (delta: 314.6 MB). Free memory was 23.7 MB in the beginning and 337.8 MB in the end (delta: -314.1 MB). Peak memory consumption was 174.5 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:58,483 INFO L168 Benchmark]: TraceAbstraction took 174.30 ms. Allocated memory is still 436.2 MB. Free memory was 337.8 MB in the beginning and 328.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:58,483 INFO L168 Benchmark]: Witness Printer took 1115.55 ms. Allocated memory is still 436.2 MB. Free memory was 328.4 MB in the beginning and 277.6 MB in the end (delta: 50.7 MB). Peak memory consumption was 222.0 MB. Max. memory is 16.1 GB. [2020-12-04 19:20:58,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 44.0 MB. Free memory was 24.0 MB in the beginning and 24.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4569.40 ms. Allocated memory was 54.5 MB in the beginning and 121.6 MB in the end (delta: 67.1 MB). Free memory was 33.2 MB in the beginning and 43.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 83.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 290.78 ms. Allocated memory is still 121.6 MB. Free memory was 43.6 MB in the beginning and 32.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 170.80 ms. Allocated memory is still 121.6 MB. Free memory was 32.1 MB in the beginning and 24.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9538.54 ms. Allocated memory was 121.6 MB in the beginning and 436.2 MB in the end (delta: 314.6 MB). Free memory was 23.7 MB in the beginning and 337.8 MB in the end (delta: -314.1 MB). Peak memory consumption was 174.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 174.30 ms. Allocated memory is still 436.2 MB. Free memory was 337.8 MB in the beginning and 328.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 1115.55 ms. Allocated memory is still 436.2 MB. Free memory was 328.4 MB in the beginning and 277.6 MB in the end (delta: 50.7 MB). Peak memory consumption was 222.0 MB. Max. memory is 16.1 GB. * 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. - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 10 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...