./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 678b828e 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 0.2.1-678b828 [2020-12-07 17:12:25,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-07 17:12:25,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-07 17:12:25,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-07 17:12:25,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-07 17:12:25,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-07 17:12:25,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-07 17:12:25,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-07 17:12:25,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-07 17:12:25,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-07 17:12:25,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-07 17:12:25,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-07 17:12:25,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-07 17:12:25,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-07 17:12:25,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-07 17:12:25,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-07 17:12:25,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-07 17:12:25,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-07 17:12:25,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-07 17:12:25,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-07 17:12:25,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-07 17:12:25,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-07 17:12:25,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-07 17:12:25,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-07 17:12:25,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-07 17:12:25,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-07 17:12:25,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-07 17:12:25,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-07 17:12:25,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-07 17:12:25,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-07 17:12:25,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-07 17:12:25,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-07 17:12:25,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-07 17:12:25,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-07 17:12:25,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-07 17:12:25,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-07 17:12:25,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-07 17:12:25,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-07 17:12:25,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-07 17:12:25,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-07 17:12:25,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-07 17:12:25,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-07 17:12:25,131 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-07 17:12:25,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-07 17:12:25,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-07 17:12:25,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-07 17:12:25,136 INFO L138 SettingsManager]: * Use SBE=true [2020-12-07 17:12:25,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-07 17:12:25,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-07 17:12:25,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-07 17:12:25,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-07 17:12:25,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-07 17:12:25,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-07 17:12:25,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-07 17:12:25,140 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-07 17:12:25,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-07 17:12:25,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-07 17:12:25,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-07 17:12:25,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-07 17:12:25,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-07 17:12:25,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-07 17:12:25,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-07 17:12:25,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-07 17:12:25,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-07 17:12:25,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-07 17:12:25,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-07 17:12:25,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-07 17:12:25,143 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 945f51c9b2d5cbb4bd6eb1e0ea16d88f59262a61 [2020-12-07 17:12:25,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-07 17:12:25,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-07 17:12:25,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-07 17:12:25,647 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-07 17:12:25,648 INFO L275 PluginConnector]: CDTParser initialized [2020-12-07 17:12:25,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness.i [2020-12-07 17:12:25,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66640536a/47264329839d46e89746a07b8ee85af2/FLAG3d9d54314 [2020-12-07 17:12:26,790 INFO L306 CDTParser]: Found 1 translation units. [2020-12-07 17:12:26,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness.i [2020-12-07 17:12:26,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66640536a/47264329839d46e89746a07b8ee85af2/FLAG3d9d54314 [2020-12-07 17:12:27,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66640536a/47264329839d46e89746a07b8ee85af2 [2020-12-07 17:12:27,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-07 17:12:27,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-07 17:12:27,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-07 17:12:27,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-07 17:12:27,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-07 17:12:27,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:12:27" (1/1) ... [2020-12-07 17:12:27,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3dede6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:27, skipping insertion in model container [2020-12-07 17:12:27,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:12:27" (1/1) ... [2020-12-07 17:12:27,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-07 17:12:27,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-07 17:12:27,689 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] [2020-12-07 17:12:27,699 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] [2020-12-07 17:12:27,732 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 17:12:27,742 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 17:12:28,578 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:28,579 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:28,580 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:28,582 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:28,585 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:28,609 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:28,610 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:28,612 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:28,613 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,013 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 17:12:29,015 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 17:12:29,016 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 17:12:29,017 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 17:12:29,019 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 17:12:29,020 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 17:12:29,021 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 17:12:29,021 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 17:12:29,022 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 17:12:29,023 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 17:12:29,216 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 17:12:29,330 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,330 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 17:12:29,513 INFO L203 MainTranslator]: Completed pre-run [2020-12-07 17:12:29,530 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] [2020-12-07 17:12:29,531 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] [2020-12-07 17:12:29,533 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 17:12:29,534 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 17:12:29,575 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,576 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,576 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,577 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,578 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,586 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,587 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,588 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,589 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,627 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 17:12:29,629 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 17:12:29,630 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 17:12:29,631 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 17:12:29,632 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 17:12:29,632 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 17:12:29,633 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 17:12:29,633 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 17:12:29,652 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 17:12:29,653 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 17:12:29,676 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 17:12:29,737 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,738 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:12:29,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 17:12:31,146 INFO L208 MainTranslator]: Completed translation [2020-12-07 17:12:31,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31 WrapperNode [2020-12-07 17:12:31,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-07 17:12:31,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-07 17:12:31,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-07 17:12:31,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-07 17:12:31,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (1/1) ... [2020-12-07 17:12:31,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (1/1) ... [2020-12-07 17:12:31,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-07 17:12:31,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-07 17:12:31,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-07 17:12:31,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-07 17:12:31,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (1/1) ... [2020-12-07 17:12:31,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (1/1) ... [2020-12-07 17:12:31,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (1/1) ... [2020-12-07 17:12:31,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (1/1) ... [2020-12-07 17:12:31,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (1/1) ... [2020-12-07 17:12:31,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (1/1) ... [2020-12-07 17:12:31,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (1/1) ... [2020-12-07 17:12:31,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-07 17:12:31,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-07 17:12:31,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-07 17:12:31,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-07 17:12:31,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (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 [2020-12-07 17:12:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-07 17:12:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-07 17:12:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-07 17:12:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-07 17:12:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-07 17:12:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-07 17:12:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-07 17:12:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-07 17:12:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-07 17:12:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-07 17:12:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-07 17:12:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-07 17:12:41,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-07 17:12:41,244 INFO L299 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-07 17:12:41,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:12:41 BoogieIcfgContainer [2020-12-07 17:12:41,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-07 17:12:41,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-07 17:12:41,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-07 17:12:41,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-07 17:12:41,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:12:27" (1/3) ... [2020-12-07 17:12:41,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6052d293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:12:41, skipping insertion in model container [2020-12-07 17:12:41,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:12:31" (2/3) ... [2020-12-07 17:12:41,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6052d293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:12:41, skipping insertion in model container [2020-12-07 17:12:41,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:12:41" (3/3) ... [2020-12-07 17:12:41,264 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2020-12-07 17:12:41,280 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-07 17:12:41,285 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-12-07 17:12:41,298 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-12-07 17:12:41,333 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-07 17:12:41,334 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-07 17:12:41,334 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-07 17:12:41,334 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-07 17:12:41,334 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-07 17:12:41,335 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-07 17:12:41,336 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-07 17:12:41,336 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-07 17:12:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-12-07 17:12:41,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-07 17:12:41,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 39 states. [2020-12-07 17:12:41,419 INFO L262 CegarLoopResult]: For program point L7063(lines 7063 7067) no Hoare annotation was computed. [2020-12-07 17:12:41,420 INFO L262 CegarLoopResult]: For program point L7055(lines 7055 7068) no Hoare annotation was computed. [2020-12-07 17:12:41,420 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-07 17:12:41,420 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-07 17:12:41,420 INFO L262 CegarLoopResult]: For program point L210(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:12:41,421 INFO L262 CegarLoopResult]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:12:41,421 INFO L262 CegarLoopResult]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:12:41,421 INFO L262 CegarLoopResult]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:12:41,421 INFO L262 CegarLoopResult]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2020-12-07 17:12:41,421 INFO L265 CegarLoopResult]: At program point L6809(lines 6800 6810) the Hoare annotation is: true [2020-12-07 17:12:41,422 INFO L262 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-12-07 17:12:41,422 INFO L262 CegarLoopResult]: For program point L211-2(line 211) no Hoare annotation was computed. [2020-12-07 17:12:41,422 INFO L262 CegarLoopResult]: For program point L6256-2(line 6256) no Hoare annotation was computed. [2020-12-07 17:12:41,422 INFO L262 CegarLoopResult]: For program point L211-4(line 211) no Hoare annotation was computed. [2020-12-07 17:12:41,422 INFO L262 CegarLoopResult]: For program point L6256(line 6256) no Hoare annotation was computed. [2020-12-07 17:12:41,423 INFO L262 CegarLoopResult]: For program point L6256-5(line 6256) no Hoare annotation was computed. [2020-12-07 17:12:41,423 INFO L262 CegarLoopResult]: For program point L211-6(line 211) no Hoare annotation was computed. [2020-12-07 17:12:41,423 INFO L265 CegarLoopResult]: At program point L6256-6(lines 6252 6257) the Hoare annotation is: true [2020-12-07 17:12:41,423 INFO L262 CegarLoopResult]: For program point L6256-3(line 6256) no Hoare annotation was computed. [2020-12-07 17:12:41,423 INFO L262 CegarLoopResult]: For program point L211-8(line 211) no Hoare annotation was computed. [2020-12-07 17:12:41,424 INFO L265 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: true [2020-12-07 17:12:41,424 INFO L262 CegarLoopResult]: For program point L9320(lines 9320 9321) no Hoare annotation was computed. [2020-12-07 17:12:41,424 INFO L265 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: true [2020-12-07 17:12:41,424 INFO L265 CegarLoopResult]: At program point L6884(lines 6883 6885) the Hoare annotation is: true [2020-12-07 17:12:41,424 INFO L262 CegarLoopResult]: For program point L9320-2(lines 9320 9321) no Hoare annotation was computed. [2020-12-07 17:12:41,425 INFO L262 CegarLoopResult]: For program point L8983(lines 1 9325) no Hoare annotation was computed. [2020-12-07 17:12:41,425 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-07 17:12:41,425 INFO L262 CegarLoopResult]: For program point L6804-2(lines 6804 6805) no Hoare annotation was computed. [2020-12-07 17:12:41,425 INFO L262 CegarLoopResult]: For program point L8984(line 8984) no Hoare annotation was computed. [2020-12-07 17:12:41,425 INFO L262 CegarLoopResult]: For program point L6804(lines 6804 6805) no Hoare annotation was computed. [2020-12-07 17:12:41,426 INFO L262 CegarLoopResult]: For program point L8984-2(line 8984) no Hoare annotation was computed. [2020-12-07 17:12:41,426 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-07 17:12:41,426 INFO L262 CegarLoopResult]: For program point L8985(line 8985) no Hoare annotation was computed. [2020-12-07 17:12:41,426 INFO L262 CegarLoopResult]: For program point L8985-2(lines 8985 8987) no Hoare annotation was computed. [2020-12-07 17:12:41,426 INFO L265 CegarLoopResult]: At program point L6797(lines 6794 6798) the Hoare annotation is: true [2020-12-07 17:12:41,427 INFO L265 CegarLoopResult]: At program point L6789(lines 6787 6792) the Hoare annotation is: true [2020-12-07 17:12:41,427 INFO L265 CegarLoopResult]: At program point L6880(lines 6876 6881) the Hoare annotation is: true [2020-12-07 17:12:41,427 INFO L265 CegarLoopResult]: At program point L9325(line 9325) the Hoare annotation is: true [2020-12-07 17:12:41,427 INFO L265 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: true [2020-12-07 17:12:41,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:12:41 BoogieIcfgContainer [2020-12-07 17:12:41,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-07 17:12:41,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-07 17:12:41,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-07 17:12:41,449 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-07 17:12:41,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:12:41" (3/4) ... [2020-12-07 17:12:41,454 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-07 17:12:41,478 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 118 nodes and edges [2020-12-07 17:12:41,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2020-12-07 17:12:41,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2020-12-07 17:12:41,483 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-07 17:12:41,485 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-07 17:12:41,486 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-07 17:12:41,488 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-07 17:12:41,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-07 17:12:42,527 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-07 17:12:42,527 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-07 17:12:42,530 INFO L168 Benchmark]: Toolchain (without parser) took 15338.33 ms. Allocated memory was 46.1 MB in the beginning and 415.2 MB in the end (delta: 369.1 MB). Free memory was 23.4 MB in the beginning and 190.7 MB in the end (delta: -167.3 MB). Peak memory consumption was 296.7 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:42,531 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 28.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-07 17:12:42,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3954.75 ms. Allocated memory was 46.1 MB in the beginning and 119.5 MB in the end (delta: 73.4 MB). Free memory was 23.1 MB in the beginning and 62.9 MB in the end (delta: -39.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:42,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 260.43 ms. Allocated memory is still 119.5 MB. Free memory was 62.9 MB in the beginning and 51.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:42,533 INFO L168 Benchmark]: Boogie Preprocessor took 114.96 ms. Allocated memory is still 119.5 MB. Free memory was 51.3 MB in the beginning and 44.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:42,533 INFO L168 Benchmark]: RCFGBuilder took 9720.92 ms. Allocated memory was 119.5 MB in the beginning and 415.2 MB in the end (delta: 295.7 MB). Free memory was 42.9 MB in the beginning and 289.9 MB in the end (delta: -247.0 MB). Peak memory consumption was 229.1 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:42,534 INFO L168 Benchmark]: TraceAbstraction took 188.31 ms. Allocated memory is still 415.2 MB. Free memory was 288.9 MB in the beginning and 279.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:42,534 INFO L168 Benchmark]: Witness Printer took 1088.76 ms. Allocated memory is still 415.2 MB. Free memory was 279.4 MB in the beginning and 190.7 MB in the end (delta: 88.7 MB). Peak memory consumption was 182.1 MB. Max. memory is 16.1 GB. [2020-12-07 17:12:42,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 46.1 MB. Free memory was 28.2 MB in the beginning and 28.1 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3954.75 ms. Allocated memory was 46.1 MB in the beginning and 119.5 MB in the end (delta: 73.4 MB). Free memory was 23.1 MB in the beginning and 62.9 MB in the end (delta: -39.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 260.43 ms. Allocated memory is still 119.5 MB. Free memory was 62.9 MB in the beginning and 51.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.96 ms. Allocated memory is still 119.5 MB. Free memory was 51.3 MB in the beginning and 44.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9720.92 ms. Allocated memory was 119.5 MB in the beginning and 415.2 MB in the end (delta: 295.7 MB). Free memory was 42.9 MB in the beginning and 289.9 MB in the end (delta: -247.0 MB). Peak memory consumption was 229.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 188.31 ms. Allocated memory is still 415.2 MB. Free memory was 288.9 MB in the beginning and 279.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 1088.76 ms. Allocated memory is still 415.2 MB. Free memory was 279.4 MB in the beginning and 190.7 MB in the end (delta: 88.7 MB). Peak memory consumption was 182.1 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...