./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:29:26,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:29:26,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:29:26,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:29:26,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:29:26,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:29:26,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:29:26,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:29:26,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:29:26,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:29:26,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:29:26,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:29:26,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:29:26,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:29:26,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:29:26,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:29:26,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:29:26,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:29:26,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:29:26,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:29:26,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:29:26,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:29:26,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:29:26,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:29:26,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:29:26,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:29:26,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:29:26,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:29:26,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:29:26,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:29:26,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:29:26,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:29:26,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:29:26,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:29:26,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:29:26,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:29:26,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:29:26,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:29:26,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:29:26,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:29:26,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:29:26,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:29:26,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:29:26,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:29:26,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:29:26,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:29:26,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:29:26,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:29:26,240 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:29:26,241 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:29:26,241 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:29:26,241 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:29:26,243 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:29:26,243 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:29:26,243 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:29:26,243 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:29:26,244 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:29:26,244 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:29:26,244 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:29:26,244 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:29:26,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:29:26,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:29:26,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:29:26,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:29:26,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:29:26,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:29:26,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:29:26,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:29:26,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:29:26,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:29:26,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:29:26,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:29:26,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:29:26,249 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:29:26,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:29:26,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:29:26,250 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:29:26,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:29:26,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:29:26,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:29:26,251 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a [2022-11-23 14:29:26,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:29:26,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:29:26,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:29:26,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:29:26,556 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:29:26,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-11-23 14:29:29,763 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:29:30,360 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:29:30,360 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i [2022-11-23 14:29:30,412 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/data/0de4ff8e7/6e7e557fa99f40fbb41875378463e7d2/FLAG9708c8f6d [2022-11-23 14:29:30,433 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/data/0de4ff8e7/6e7e557fa99f40fbb41875378463e7d2 [2022-11-23 14:29:30,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:29:30,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:29:30,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:29:30,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:29:30,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:29:30,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:29:30" (1/1) ... [2022-11-23 14:29:30,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285e118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:30, skipping insertion in model container [2022-11-23 14:29:30,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:29:30" (1/1) ... [2022-11-23 14:29:30,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:29:30,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:29:30,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-11-23 14:29:30,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-11-23 14:29:32,082 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:32,083 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:32,083 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:32,085 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:32,086 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:32,102 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:32,103 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:32,105 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:32,106 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:32,669 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 14:29:32,670 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 14:29:32,672 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 14:29:32,673 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 14:29:32,675 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 14:29:32,676 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 14:29:32,677 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 14:29:32,678 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 14:29:32,679 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 14:29:32,680 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 14:29:32,943 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 14:29:33,054 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,055 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:29:33,212 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:29:33,228 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505] [2022-11-23 14:29:33,229 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565] [2022-11-23 14:29:33,270 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,270 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,271 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,272 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,273 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,281 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,281 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,283 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,283 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,324 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 14:29:33,325 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 14:29:33,326 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 14:29:33,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 14:29:33,329 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 14:29:33,330 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 14:29:33,330 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 14:29:33,331 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 14:29:33,332 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 14:29:33,332 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 14:29:33,356 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 14:29:33,402 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,402 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:29:33,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:29:33,749 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:29:33,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33 WrapperNode [2022-11-23 14:29:33,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:29:33,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:29:33,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:29:33,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:29:33,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:33,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:33,978 INFO L138 Inliner]: procedures = 693, calls = 2658, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 792 [2022-11-23 14:29:33,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:29:33,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:29:33,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:29:33,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:29:33,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:33,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:34,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:34,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:34,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:34,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:34,079 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:34,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:34,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:29:34,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:29:34,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:29:34,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:29:34,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (1/1) ... [2022-11-23 14:29:34,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:29:34,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:29:34,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:29:34,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:29:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-23 14:29:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-23 14:29:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:29:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-23 14:29:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-23 14:29:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:29:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:29:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:29:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:29:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:29:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:29:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-23 14:29:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-23 14:29:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:29:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-23 14:29:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-23 14:29:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:29:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:29:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:29:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:29:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-23 14:29:34,202 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-23 14:29:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-23 14:29:34,203 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-23 14:29:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:29:34,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:29:34,573 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:29:34,575 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:29:35,990 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:29:36,216 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:29:36,217 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:29:36,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:36 BoogieIcfgContainer [2022-11-23 14:29:36,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:29:36,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:29:36,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:29:36,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:29:36,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:29:30" (1/3) ... [2022-11-23 14:29:36,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c1a28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:36, skipping insertion in model container [2022-11-23 14:29:36,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:33" (2/3) ... [2022-11-23 14:29:36,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c1a28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:36, skipping insertion in model container [2022-11-23 14:29:36,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:36" (3/3) ... [2022-11-23 14:29:36,240 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i [2022-11-23 14:29:36,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:29:36,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-23 14:29:36,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c1a28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:29:36, skipping insertion in model container [2022-11-23 14:29:36,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:29:36,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:29:36,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:29:36,272 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:29:36,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:36" (3/3) ... [2022-11-23 14:29:36,277 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:29:36,283 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2022-11-23 14:29:36,283 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2022-11-23 14:29:36,283 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2022-11-23 14:29:36,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2022-11-23 14:29:36,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 14:29:36,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2022-11-23 14:29:36,285 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2022-11-23 14:29:36,305 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2022-11-23 14:29:36,307 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2022-11-23 14:29:36,308 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-23 14:29:36,310 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-23 14:29:36,311 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-23 14:29:36,313 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 14:29:36,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 14:29:36,318 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:29:36,950 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:29:36,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:29:36,953 INFO L158 Benchmark]: Toolchain (without parser) took 6512.14ms. Allocated memory was 146.8MB in the beginning and 257.9MB in the end (delta: 111.1MB). Free memory was 105.0MB in the beginning and 145.4MB in the end (delta: -40.4MB). Peak memory consumption was 151.2MB. Max. memory is 16.1GB. [2022-11-23 14:29:36,953 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:29:36,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3306.46ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 104.6MB in the beginning and 82.0MB in the end (delta: 22.7MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2022-11-23 14:29:36,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 228.73ms. Allocated memory is still 197.1MB. Free memory was 82.0MB in the beginning and 132.4MB in the end (delta: -50.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-23 14:29:36,954 INFO L158 Benchmark]: Boogie Preprocessor took 131.28ms. Allocated memory is still 197.1MB. Free memory was 132.4MB in the beginning and 126.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 14:29:36,955 INFO L158 Benchmark]: RCFGBuilder took 2109.61ms. Allocated memory was 197.1MB in the beginning and 257.9MB in the end (delta: 60.8MB). Free memory was 126.1MB in the beginning and 169.2MB in the end (delta: -43.0MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2022-11-23 14:29:36,955 INFO L158 Benchmark]: TraceAbstraction took 44.13ms. Allocated memory is still 257.9MB. Free memory was 168.1MB in the beginning and 166.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:29:36,956 INFO L158 Benchmark]: Witness Printer took 679.48ms. Allocated memory is still 257.9MB. Free memory was 166.0MB in the beginning and 145.4MB in the end (delta: 20.6MB). Peak memory consumption was 100.3MB. Max. memory is 16.1GB. [2022-11-23 14:29:36,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3306.46ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 104.6MB in the beginning and 82.0MB in the end (delta: 22.7MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 228.73ms. Allocated memory is still 197.1MB. Free memory was 82.0MB in the beginning and 132.4MB in the end (delta: -50.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.28ms. Allocated memory is still 197.1MB. Free memory was 132.4MB in the beginning and 126.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2109.61ms. Allocated memory was 197.1MB in the beginning and 257.9MB in the end (delta: 60.8MB). Free memory was 126.1MB in the beginning and 169.2MB in the end (delta: -43.0MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * TraceAbstraction took 44.13ms. Allocated memory is still 257.9MB. Free memory was 168.1MB in the beginning and 166.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 679.48ms. Allocated memory is still 257.9MB. Free memory was 166.0MB in the beginning and 145.4MB in the end (delta: 20.6MB). Peak memory consumption was 100.3MB. 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-23 14:29:36,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7447ce-1dd9-4810-8470-a1aa7c134481/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE