./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 b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a
......................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:51:20,936 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:51:20,938 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:51:21,004 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:51:21,005 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:51:21,010 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:51:21,014 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:51:21,021 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:51:21,025 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:51:21,034 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:51:21,036 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:51:21,038 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:51:21,039 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:51:21,043 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:51:21,047 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:51:21,050 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:51:21,052 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:51:21,054 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:51:21,061 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:51:21,069 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:51:21,072 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:51:21,073 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:51:21,077 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:51:21,079 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:51:21,086 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:51:21,086 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:51:21,087 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:51:21,090 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:51:21,090 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:51:21,092 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:51:21,094 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:51:21,095 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:51:21,097 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:51:21,099 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:51:21,101 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:51:21,101 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:51:21,102 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:51:21,103 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:51:21,103 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:51:21,104 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:51:21,105 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:51:21,106 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf
[2021-10-28 23:51:21,165 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 23:51:21,165 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:51:21,166 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:51:21,166 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:51:21,173 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:51:21,175 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 23:51:21,175 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 23:51:21,176 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:51:21,176 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 23:51:21,176 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 23:51:21,178 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 23:51:21,178 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:51:21,178 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 23:51:21,179 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-28 23:51:21,179 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 23:51:21,179 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-28 23:51:21,180 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:51:21,180 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 23:51:21,180 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-28 23:51:21,180 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:51:21,181 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:51:21,181 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:51:21,181 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 23:51:21,182 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 23:51:21,182 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:51:21,183 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-28 23:51:21,183 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-10-28 23:51:21,183 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 23:51:21,184 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 23:51:21,186 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_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/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_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e34b03d670b9dc83c77f9a1ce1b8f7e8876646ac6e894f5ec424298b73430d9a
[2021-10-28 23:51:21,544 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:51:21,570 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:51:21,575 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:51:21,577 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 23:51:21,578 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 23:51:21,579 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i
[2021-10-28 23:51:21,684 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/data/085db0a59/7483e84655ba4a4cb317bd427631ee75/FLAG09e636348
[2021-10-28 23:51:22,710 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 23:51:22,711 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i
[2021-10-28 23:51:22,768 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/data/085db0a59/7483e84655ba4a4cb317bd427631ee75/FLAG09e636348
[2021-10-28 23:51:23,059 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/data/085db0a59/7483e84655ba4a4cb317bd427631ee75
[2021-10-28 23:51:23,062 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:51:23,086 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 23:51:23,094 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:51:23,094 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:51:23,111 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:51:23,112 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:23" (1/1) ...
[2021-10-28 23:51:23,113 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3382f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:23, skipping insertion in model container
[2021-10-28 23:51:23,113 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:51:23" (1/1) ...
[2021-10-28 23:51:23,123 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 23:51:23,243 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:51:23,579 WARN  L228   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_2271ecd8-3c4b-4456-b384-23791f6db974/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505]
[2021-10-28 23:51:23,588 WARN  L228   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_2271ecd8-3c4b-4456-b384-23791f6db974/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565]
[2021-10-28 23:51:23,620 WARN  L612        FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow
[2021-10-28 23:51:23,627 WARN  L612        FunctionHandler]: implicit declaration of function __builtin_umull_overflow
[2021-10-28 23:51:25,128 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:25,134 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:25,135 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:25,137 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:25,139 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:25,167 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:25,167 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:25,173 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:25,174 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:25,773 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_load_n
[2021-10-28 23:51:25,775 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_store_n
[2021-10-28 23:51:25,786 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_exchange_n
[2021-10-28 23:51:25,788 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n
[2021-10-28 23:51:25,790 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_add
[2021-10-28 23:51:25,790 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_sub
[2021-10-28 23:51:25,791 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_or
[2021-10-28 23:51:25,802 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_and
[2021-10-28 23:51:25,803 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_xor
[2021-10-28 23:51:25,804 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_thread_fence
[2021-10-28 23:51:26,089 WARN  L612        FunctionHandler]: implicit declaration of function __builtin_va_copy
[2021-10-28 23:51:26,244 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,245 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,356 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:51:26,423 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 23:51:26,438 WARN  L228   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_2271ecd8-3c4b-4456-b384-23791f6db974/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4492,4505]
[2021-10-28 23:51:26,438 WARN  L228   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_2271ecd8-3c4b-4456-b384-23791f6db974/sv-benchmarks/c/aws-c-common/aws_string_destroy_harness.i[4552,4565]
[2021-10-28 23:51:26,440 WARN  L612        FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow
[2021-10-28 23:51:26,441 WARN  L612        FunctionHandler]: implicit declaration of function __builtin_umull_overflow
[2021-10-28 23:51:26,479 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,488 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,489 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,489 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,492 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,499 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,507 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,509 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,509 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,572 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_load_n
[2021-10-28 23:51:26,573 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_store_n
[2021-10-28 23:51:26,574 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_exchange_n
[2021-10-28 23:51:26,584 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n
[2021-10-28 23:51:26,587 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_add
[2021-10-28 23:51:26,588 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_sub
[2021-10-28 23:51:26,590 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_or
[2021-10-28 23:51:26,590 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_and
[2021-10-28 23:51:26,593 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_fetch_xor
[2021-10-28 23:51:26,595 WARN  L612        FunctionHandler]: implicit declaration of function __atomic_thread_fence
[2021-10-28 23:51:26,639 WARN  L612        FunctionHandler]: implicit declaration of function __builtin_va_copy
[2021-10-28 23:51:26,729 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,730 WARN  L1513              CHandler]: Possible shadowing of function index
[2021-10-28 23:51:26,808 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:51:27,111 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 23:51:27,112 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27 WrapperNode
[2021-10-28 23:51:27,112 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:51:27,113 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 23:51:27,113 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 23:51:27,113 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 23:51:27,120 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,263 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,357 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 23:51:27,358 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:51:27,358 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:51:27,358 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:51:27,372 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,372 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,397 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,398 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,467 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,471 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,482 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,497 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:51:27,498 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:51:27,498 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:51:27,499 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:51:27,500 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (1/1) ...
[2021-10-28 23:51:27,515 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:51:27,541 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:51:27,558 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:51:27,577 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:51:27,613 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-28 23:51:27,613 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-28 23:51:27,613 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-28 23:51:27,614 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-10-28 23:51:27,614 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:51:27,614 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:51:27,615 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2021-10-28 23:51:27,615 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:51:27,615 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-10-28 23:51:27,616 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-10-28 23:51:27,617 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-28 23:51:27,617 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-28 23:51:39,010 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:51:39,017 INFO  L299             CfgBuilder]: Removed 38 assume(true) statements.
[2021-10-28 23:51:39,019 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:39 BoogieIcfgContainer
[2021-10-28 23:51:39,020 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:51:39,022 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:51:39,023 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:51:39,027 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:51:39,028 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:51:23" (1/3) ...
[2021-10-28 23:51:39,028 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb3430b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:39, skipping insertion in model container
[2021-10-28 23:51:39,029 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:51:27" (2/3) ...
[2021-10-28 23:51:39,029 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb3430b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:51:39, skipping insertion in model container
[2021-10-28 23:51:39,029 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:39" (3/3) ...
[2021-10-28 23:51:39,031 INFO  L111   eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness.i
[2021-10-28 23:51:39,037 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:51:39,038 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations.
[2021-10-28 23:51:39,040 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb3430b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:51:39, skipping insertion in model container
[2021-10-28 23:51:39,041 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:51:39,042 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:51:39,042 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:51:39,043 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 23:51:39,043 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:51:39" (3/3) ...
[2021-10-28 23:51:39,047 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-28 23:51:39,075 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 118 nodes and edges
[2021-10-28 23:51:39,078 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges
[2021-10-28 23:51:39,080 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges
[2021-10-28 23:51:39,082 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2021-10-28 23:51:39,083 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2021-10-28 23:51:39,085 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2021-10-28 23:51:39,087 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-10-28 23:51:39,089 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-28 23:51:40,022 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 23:51:40,023 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:51:40,025 INFO  L168              Benchmark]: Toolchain (without parser) took 16938.39 ms. Allocated memory was 123.7 MB in the beginning and 383.8 MB in the end (delta: 260.0 MB). Free memory was 97.1 MB in the beginning and 180.1 MB in the end (delta: -83.0 MB). Peak memory consumption was 275.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:40,025 INFO  L168              Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 123.7 MB. Free memory is still 97.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:51:40,026 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 4018.37 ms. Allocated memory was 123.7 MB in the beginning and 153.1 MB in the end (delta: 29.4 MB). Free memory was 97.1 MB in the beginning and 89.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 87.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:40,026 INFO  L168              Benchmark]: Boogie Procedure Inliner took 243.90 ms. Allocated memory is still 153.1 MB. Free memory was 89.3 MB in the beginning and 78.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:40,027 INFO  L168              Benchmark]: Boogie Preprocessor took 139.80 ms. Allocated memory is still 153.1 MB. Free memory was 78.1 MB in the beginning and 70.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:40,027 INFO  L168              Benchmark]: RCFGBuilder took 11521.71 ms. Allocated memory was 153.1 MB in the beginning and 318.8 MB in the end (delta: 165.7 MB). Free memory was 70.5 MB in the beginning and 114.2 MB in the end (delta: -43.7 MB). Peak memory consumption was 171.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:40,028 INFO  L168              Benchmark]: TraceAbstraction took 19.18 ms. Allocated memory is still 318.8 MB. Free memory was 113.2 MB in the beginning and 112.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:51:40,028 INFO  L168              Benchmark]: Witness Printer took 981.08 ms. Allocated memory was 318.8 MB in the beginning and 383.8 MB in the end (delta: 65.0 MB). Free memory was 112.1 MB in the beginning and 180.1 MB in the end (delta: -68.0 MB). Peak memory consumption was 96.6 MB. Max. memory is 16.1 GB.
[2021-10-28 23:51:40,031 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29 ms. Allocated memory is still 123.7 MB. Free memory is still 97.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 4018.37 ms. Allocated memory was 123.7 MB in the beginning and 153.1 MB in the end (delta: 29.4 MB). Free memory was 97.1 MB in the beginning and 89.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 87.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 243.90 ms. Allocated memory is still 153.1 MB. Free memory was 89.3 MB in the beginning and 78.1 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 139.80 ms. Allocated memory is still 153.1 MB. Free memory was 78.1 MB in the beginning and 70.5 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 11521.71 ms. Allocated memory was 153.1 MB in the beginning and 318.8 MB in the end (delta: 165.7 MB). Free memory was 70.5 MB in the beginning and 114.2 MB in the end (delta: -43.7 MB). Peak memory consumption was 171.2 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 19.18 ms. Allocated memory is still 318.8 MB. Free memory was 113.2 MB in the beginning and 112.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Witness Printer took 981.08 ms. Allocated memory was 318.8 MB in the beginning and 383.8 MB in the end (delta: 65.0 MB). Free memory was 112.1 MB in the beginning and 180.1 MB in the end (delta: -68.0 MB). Peak memory consumption was 96.6 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.
RESULT: Ultimate proved your program to be correct!
[2021-10-28 23:51:40,112 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2271ecd8-3c4b-4456-b384-23791f6db974/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...