./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness_negated.i --full-output --preprocessor.use.memory.slicer true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version abd6749d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 ../../../trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness_negated.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 --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 5571fca939923d19a42982f0bac7804ea4fca3974fed6772534131699bbf6d68 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 07:45:39,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 07:45:39,434 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 07:45:39,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 07:45:39,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 07:45:39,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 07:45:39,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 07:45:39,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 07:45:39,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 07:45:39,454 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 07:45:39,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 07:45:39,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 07:45:39,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 07:45:39,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 07:45:39,455 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 07:45:39,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 07:45:39,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 07:45:39,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 07:45:39,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 07:45:39,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 07:45:39,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 07:45:39,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 07:45:39,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 07:45:39,458 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 07:45:39,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 07:45:39,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 07:45:39,458 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 07:45:39,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 07:45:39,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:45:39,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 07:45:39,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 07:45:39,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 07:45:39,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 07:45:39,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 07:45:39,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 07:45:39,460 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 07:45:39,460 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 07:45:39,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 07:45:39,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 07:45:39,461 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5571fca939923d19a42982f0bac7804ea4fca3974fed6772534131699bbf6d68 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-23 07:45:39,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 07:45:39,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 07:45:39,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 07:45:39,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 07:45:39,644 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 07:45:39,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness_negated.i [2023-11-23 07:45:40,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 07:45:41,058 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 07:45:41,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_destroy_harness_negated.i [2023-11-23 07:45:41,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d0b78e1d/f6f2e8aa247844c28658a55d910809e1/FLAG9ae8f0591 [2023-11-23 07:45:41,103 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d0b78e1d/f6f2e8aa247844c28658a55d910809e1 [2023-11-23 07:45:41,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 07:45:41,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 07:45:41,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 07:45:41,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 07:45:41,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 07:45:41,112 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:45:41" (1/1) ... [2023-11-23 07:45:41,113 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af7494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:41, skipping insertion in model container [2023-11-23 07:45:41,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:45:41" (1/1) ... [2023-11-23 07:45:41,200 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 07:45:41,387 WARN L240 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_negated.i[4492,4505] [2023-11-23 07:45:41,395 WARN L240 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_negated.i[4552,4565] [2023-11-23 07:45:41,990 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:41,990 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:41,991 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:41,991 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:41,992 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,007 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,009 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,010 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,011 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,251 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:45:42,252 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:45:42,252 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:45:42,254 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:45:42,257 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:45:42,257 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:45:42,258 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:45:42,260 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:45:42,261 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:45:42,264 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:45:42,495 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,496 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:45:42,619 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 07:45:42,629 WARN L240 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_negated.i[4492,4505] [2023-11-23 07:45:42,633 WARN L240 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_negated.i[4552,4565] [2023-11-23 07:45:42,660 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,661 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,661 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,661 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,662 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,665 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,666 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,667 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,667 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,690 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:45:42,691 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:45:42,695 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:45:42,696 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:45:42,697 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:45:42,698 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:45:42,699 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:45:42,699 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:45:42,700 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:45:42,700 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:45:42,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8023] [2023-11-23 07:45:42,777 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,778 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:42,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8509-8520] [2023-11-23 07:45:42,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:45:43,042 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,042 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,042 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,045 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,045 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,045 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,045 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,045 WARN L675 CHandler]: The function s_global_handler is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,045 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,045 WARN L675 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,045 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,046 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,046 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,046 WARN L675 CHandler]: The function predicate is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,046 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,046 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,046 WARN L675 CHandler]: The function tl_thread_handler is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,046 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,046 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,046 WARN L675 CHandler]: The function memchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:43,052 INFO L206 MainTranslator]: Completed translation [2023-11-23 07:45:43,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43 WrapperNode [2023-11-23 07:45:43,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 07:45:43,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 07:45:43,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 07:45:43,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 07:45:43,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,245 INFO L138 Inliner]: procedures = 692, calls = 2664, calls flagged for inlining = 56, calls inlined = 7, statements flattened = 791 [2023-11-23 07:45:43,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 07:45:43,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 07:45:43,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 07:45:43,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 07:45:43,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,324 INFO L188 MemorySlicer]: Split 513 memory accesses to 7 slices as follows [2, 6, 8, 256, 236, 2, 3]. 50 percent of accesses are in the largest equivalence class. The 502 initializations are split as follows [2, 5, 0, 256, 236, 0, 3]. The 5 writes are split as follows [0, 0, 3, 0, 0, 2, 0]. [2023-11-23 07:45:43,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 07:45:43,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 07:45:43,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 07:45:43,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 07:45:43,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (1/1) ... [2023-11-23 07:45:43,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:45:43,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:45:43,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 07:45:43,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 07:45:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-23 07:45:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-23 07:45:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 07:45:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 07:45:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 07:45:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 07:45:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 07:45:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 07:45:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 07:45:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 07:45:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 07:45:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 07:45:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 07:45:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 07:45:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 07:45:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 07:45:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 07:45:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 07:45:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 07:45:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 07:45:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 07:45:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 07:45:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 07:45:43,489 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 07:45:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 07:45:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 07:45:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 07:45:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 07:45:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 07:45:43,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 07:45:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 07:45:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 07:45:43,491 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2023-11-23 07:45:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2023-11-23 07:45:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 07:45:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 07:45:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 07:45:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 07:45:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 07:45:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 07:45:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 07:45:43,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 07:45:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 07:45:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 07:45:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 07:45:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 07:45:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 07:45:43,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 07:45:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 07:45:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 07:45:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 07:45:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 07:45:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 07:45:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 07:45:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 07:45:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 07:45:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 07:45:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 07:45:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 07:45:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 07:45:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 07:45:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 07:45:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 07:45:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 07:45:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 07:45:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 07:45:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 07:45:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 07:45:43,789 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 07:45:43,792 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 07:45:44,413 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 07:45:44,509 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 07:45:44,510 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 07:45:44,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:45:44 BoogieIcfgContainer [2023-11-23 07:45:44,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 07:45:44,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 07:45:44,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 07:45:44,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 07:45:44,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:45:41" (1/3) ... [2023-11-23 07:45:44,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b62cd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:45:44, skipping insertion in model container [2023-11-23 07:45:44,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:43" (2/3) ... [2023-11-23 07:45:44,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b62cd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:45:44, skipping insertion in model container [2023-11-23 07:45:44,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:45:44" (3/3) ... [2023-11-23 07:45:44,519 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_harness_negated.i [2023-11-23 07:45:44,535 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 07:45:44,536 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-23 07:45:44,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b62cd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:45:44, skipping insertion in model container [2023-11-23 07:45:44,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 07:45:44,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 07:45:44,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 07:45:44,538 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 07:45:44,539 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:45:44" (3/3) ... [2023-11-23 07:45:44,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 07:45:44,543 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2023-11-23 07:45:44,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_uint64_t [2023-11-23 07:45:44,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2023-11-23 07:45:44,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mem_release [2023-11-23 07:45:44,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 07:45:44,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2023-11-23 07:45:44,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_string_is_valid [2023-11-23 07:45:44,579 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 125 nodes and edges [2023-11-23 07:45:44,580 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-23 07:45:44,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-23 07:45:44,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-23 07:45:44,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 07:45:44,583 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 07:45:44,583 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 07:45:44,584 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 07:45:44,980 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 07:45:44,981 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2023-11-23 07:45:44,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 07:45:44,990 INFO L158 Benchmark]: Toolchain (without parser) took 3876.18ms. Allocated memory was 153.1MB in the beginning and 255.9MB in the end (delta: 102.8MB). Free memory was 111.2MB in the beginning and 59.7MB in the end (delta: 51.6MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. [2023-11-23 07:45:44,990 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 07:45:44,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1946.10ms. Allocated memory was 153.1MB in the beginning and 255.9MB in the end (delta: 102.8MB). Free memory was 110.7MB in the beginning and 193.0MB in the end (delta: -82.3MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2023-11-23 07:45:44,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 192.54ms. Allocated memory is still 255.9MB. Free memory was 193.0MB in the beginning and 181.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 07:45:44,991 INFO L158 Benchmark]: Boogie Preprocessor took 149.49ms. Allocated memory is still 255.9MB. Free memory was 181.5MB in the beginning and 166.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 07:45:44,991 INFO L158 Benchmark]: RCFGBuilder took 1114.97ms. Allocated memory is still 255.9MB. Free memory was 166.8MB in the beginning and 92.3MB in the end (delta: 74.5MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2023-11-23 07:45:44,992 INFO L158 Benchmark]: TraceAbstraction took 24.72ms. Allocated memory is still 255.9MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 07:45:44,992 INFO L158 Benchmark]: Witness Printer took 442.61ms. Allocated memory is still 255.9MB. Free memory was 89.1MB in the beginning and 59.7MB in the end (delta: 29.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-23 07:45:44,994 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1946.10ms. Allocated memory was 153.1MB in the beginning and 255.9MB in the end (delta: 102.8MB). Free memory was 110.7MB in the beginning and 193.0MB in the end (delta: -82.3MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 192.54ms. Allocated memory is still 255.9MB. Free memory was 193.0MB in the beginning and 181.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.49ms. Allocated memory is still 255.9MB. Free memory was 181.5MB in the beginning and 166.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1114.97ms. Allocated memory is still 255.9MB. Free memory was 166.8MB in the beginning and 92.3MB in the end (delta: 74.5MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * TraceAbstraction took 24.72ms. Allocated memory is still 255.9MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 442.61ms. Allocated memory is still 255.9MB. Free memory was 89.1MB in the beginning and 59.7MB in the end (delta: 29.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8023]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8023] - GenericResultAtLocation [Line: 8509]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8509-8520] * 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! [2023-11-23 07:45:45,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE