./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_string_bytes_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_bytes_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 4adfd749a14198c07863d56d9f5241c9778edf12ce129aa891ff24fae8fc0bd8 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 07:44:59,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 07:44:59,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 07:44:59,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 07:44:59,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 07:44:59,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 07:44:59,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 07:44:59,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 07:44:59,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 07:44:59,923 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 07:44:59,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 07:44:59,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 07:44:59,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 07:44:59,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 07:44:59,926 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 07:44:59,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 07:44:59,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 07:44:59,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 07:44:59,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 07:44:59,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 07:44:59,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 07:44:59,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 07:44:59,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 07:44:59,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 07:44:59,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 07:44:59,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 07:44:59,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 07:44:59,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 07:44:59,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:44:59,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 07:44:59,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 07:44:59,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 07:44:59,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 07:44:59,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 07:44:59,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 07:44:59,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 07:44:59,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 07:44:59,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 07:44:59,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 07:44:59,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4adfd749a14198c07863d56d9f5241c9778edf12ce129aa891ff24fae8fc0bd8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-23 07:45:00,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 07:45:00,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 07:45:00,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 07:45:00,211 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 07:45:00,212 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 07:45:00,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness_negated.i [2023-11-23 07:45:01,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 07:45:01,619 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 07:45:01,621 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness_negated.i [2023-11-23 07:45:01,651 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6145ee25c/ec633cb98f034e25856a099074c4d0e6/FLAG712f7d73b [2023-11-23 07:45:01,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6145ee25c/ec633cb98f034e25856a099074c4d0e6 [2023-11-23 07:45:01,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 07:45:01,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 07:45:01,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 07:45:01,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 07:45:01,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 07:45:01,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:45:01" (1/1) ... [2023-11-23 07:45:01,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39901bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:01, skipping insertion in model container [2023-11-23 07:45:01,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:45:01" (1/1) ... [2023-11-23 07:45:01,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 07:45:01,970 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_bytes_harness_negated.i[4490,4503] [2023-11-23 07:45:01,975 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_bytes_harness_negated.i[4550,4563] [2023-11-23 07:45:02,427 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,428 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,429 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,430 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,431 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,445 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,446 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,447 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,447 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,448 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,449 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,450 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,452 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,649 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:45:02,654 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:45:02,655 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:45:02,656 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:45:02,669 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:45:02,670 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:45:02,670 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:45:02,670 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:45:02,671 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:45:02,671 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:45:02,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:45:02,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 07:45:02,859 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_bytes_harness_negated.i[4490,4503] [2023-11-23 07:45:02,859 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_bytes_harness_negated.i[4550,4563] [2023-11-23 07:45:02,908 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,909 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,909 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,910 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,910 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,917 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,924 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,925 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,925 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,926 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,929 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,930 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,930 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:45:02,959 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:45:02,960 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:45:02,960 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:45:02,961 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:45:02,962 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:45:02,962 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:45:02,963 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:45:02,964 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:45:02,965 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:45:02,966 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:45:03,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:45:03,129 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,129 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,130 WARN L675 CHandler]: The function aws_last_error is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,130 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,130 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,130 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,130 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,130 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,130 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,130 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,130 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,131 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,131 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,131 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,131 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,131 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,131 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:45:03,137 INFO L206 MainTranslator]: Completed translation [2023-11-23 07:45:03,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03 WrapperNode [2023-11-23 07:45:03,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 07:45:03,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 07:45:03,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 07:45:03,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 07:45:03,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,226 INFO L138 Inliner]: procedures = 678, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 58 [2023-11-23 07:45:03,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 07:45:03,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 07:45:03,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 07:45:03,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 07:45:03,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,266 INFO L188 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 6, 5]. 46 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 5]. The 3 writes are split as follows [0, 3, 0]. [2023-11-23 07:45:03,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 07:45:03,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 07:45:03,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 07:45:03,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 07:45:03,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (1/1) ... [2023-11-23 07:45:03,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:45:03,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:45:03,341 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 07:45:03,357 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 07:45:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-23 07:45:03,433 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-23 07:45:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 07:45:03,433 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 07:45:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 07:45:03,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 07:45:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 07:45:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 07:45:03,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 07:45:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 07:45:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 07:45:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 07:45:03,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 07:45:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 07:45:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 07:45:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 07:45:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 07:45:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 07:45:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-23 07:45:03,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-23 07:45:03,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 07:45:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 07:45:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 07:45:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 07:45:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 07:45:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 07:45:03,436 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 07:45:03,436 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 07:45:03,437 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 07:45:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 07:45:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 07:45:03,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 07:45:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 07:45:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 07:45:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 07:45:03,636 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 07:45:03,638 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 07:45:03,878 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 07:45:03,952 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 07:45:03,952 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 07:45:03,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:45:03 BoogieIcfgContainer [2023-11-23 07:45:03,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 07:45:03,954 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 07:45:03,954 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 07:45:03,957 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 07:45:03,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:45:01" (1/3) ... [2023-11-23 07:45:03,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd5f474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:45:03, skipping insertion in model container [2023-11-23 07:45:03,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:45:03" (2/3) ... [2023-11-23 07:45:03,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd5f474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:45:03, skipping insertion in model container [2023-11-23 07:45:03,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:45:03" (3/3) ... [2023-11-23 07:45:03,959 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness_negated.i [2023-11-23 07:45:03,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 07:45:03,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 07:45:04,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 07:45:04,010 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5680643e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 07:45:04,010 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 07:45:04,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 29 states have internal predecessors, (34), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 07:45:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 07:45:04,019 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:45:04,019 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:45:04,020 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:45:04,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:45:04,023 INFO L85 PathProgramCache]: Analyzing trace with hash -381922576, now seen corresponding path program 1 times [2023-11-23 07:45:04,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:45:04,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514980562] [2023-11-23 07:45:04,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:45:04,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:45:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:45:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:45:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:45:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 07:45:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:45:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 07:45:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:45:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:45:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:45:04,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 07:45:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:45:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 07:45:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:45:04,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:45:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:45:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 07:45:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:45:04,380 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 07:45:04,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:45:04,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514980562] [2023-11-23 07:45:04,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514980562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:45:04,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:45:04,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 07:45:04,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665411083] [2023-11-23 07:45:04,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:45:04,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 07:45:04,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:45:04,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 07:45:04,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 07:45:04,416 INFO L87 Difference]: Start difference. First operand has 50 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 29 states have internal predecessors, (34), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 07:45:04,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:45:04,528 INFO L93 Difference]: Finished difference Result 94 states and 116 transitions. [2023-11-23 07:45:04,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 07:45:04,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-11-23 07:45:04,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:45:04,539 INFO L225 Difference]: With dead ends: 94 [2023-11-23 07:45:04,539 INFO L226 Difference]: Without dead ends: 48 [2023-11-23 07:45:04,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 07:45:04,547 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 23 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 07:45:04,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 35 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 07:45:04,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-23 07:45:04,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-23 07:45:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 07:45:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2023-11-23 07:45:04,584 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 46 [2023-11-23 07:45:04,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:45:04,585 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2023-11-23 07:45:04,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 07:45:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-23 07:45:04,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 07:45:04,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:45:04,588 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:45:04,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 07:45:04,589 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:45:04,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:45:04,590 INFO L85 PathProgramCache]: Analyzing trace with hash -845631498, now seen corresponding path program 1 times [2023-11-23 07:45:04,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:45:04,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585235628] [2023-11-23 07:45:04,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:45:04,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:45:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 07:45:04,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 07:45:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 07:45:04,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 07:45:04,928 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 07:45:04,929 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 07:45:04,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 07:45:04,933 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 07:45:04,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 07:45:04,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated [2023-11-23 07:45:04,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret568 [2023-11-23 07:45:04,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-23 07:45:04,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite571 [2023-11-23 07:45:04,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-23 07:45:04,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 07:45:04,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 07:45:04,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 07:45:04,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 07:45:04,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated [2023-11-23 07:45:04,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 07:45:04,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 07:45:04,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated [2023-11-23 07:45:04,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated [2023-11-23 07:45:04,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated [2023-11-23 07:45:04,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 07:45:04,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-23 07:45:04,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-23 07:45:04,967 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret654 [2023-11-23 07:45:04,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:45:04 BoogieIcfgContainer [2023-11-23 07:45:04,978 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 07:45:04,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 07:45:04,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 07:45:04,979 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 07:45:04,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:45:03" (3/4) ... [2023-11-23 07:45:04,982 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 07:45:04,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated [2023-11-23 07:45:04,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret568 [2023-11-23 07:45:04,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-23 07:45:04,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-23 07:45:04,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite571 [2023-11-23 07:45:04,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 07:45:04,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 07:45:04,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 07:45:04,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 07:45:04,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated [2023-11-23 07:45:04,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 07:45:04,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 07:45:04,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated [2023-11-23 07:45:04,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated [2023-11-23 07:45:04,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated [2023-11-23 07:45:04,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 07:45:04,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-23 07:45:04,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-23 07:45:04,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret654 [2023-11-23 07:45:05,039 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 07:45:05,039 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 07:45:05,039 INFO L158 Benchmark]: Toolchain (without parser) took 3369.06ms. Allocated memory was 178.3MB in the beginning and 234.9MB in the end (delta: 56.6MB). Free memory was 95.9MB in the beginning and 181.1MB in the end (delta: -85.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 07:45:05,040 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 178.3MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 07:45:05,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1464.04ms. Allocated memory is still 178.3MB. Free memory was 95.6MB in the beginning and 110.3MB in the end (delta: -14.6MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2023-11-23 07:45:05,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.74ms. Allocated memory is still 178.3MB. Free memory was 110.3MB in the beginning and 105.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 07:45:05,040 INFO L158 Benchmark]: Boogie Preprocessor took 82.73ms. Allocated memory is still 178.3MB. Free memory was 105.1MB in the beginning and 101.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 07:45:05,041 INFO L158 Benchmark]: RCFGBuilder took 642.18ms. Allocated memory was 178.3MB in the beginning and 234.9MB in the end (delta: 56.6MB). Free memory was 100.9MB in the beginning and 172.7MB in the end (delta: -71.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-11-23 07:45:05,041 INFO L158 Benchmark]: TraceAbstraction took 1024.42ms. Allocated memory is still 234.9MB. Free memory was 171.7MB in the beginning and 185.3MB in the end (delta: -13.6MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2023-11-23 07:45:05,041 INFO L158 Benchmark]: Witness Printer took 60.02ms. Allocated memory is still 234.9MB. Free memory was 185.3MB in the beginning and 181.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 07:45:05,043 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 178.3MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1464.04ms. Allocated memory is still 178.3MB. Free memory was 95.6MB in the beginning and 110.3MB in the end (delta: -14.6MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.74ms. Allocated memory is still 178.3MB. Free memory was 110.3MB in the beginning and 105.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.73ms. Allocated memory is still 178.3MB. Free memory was 105.1MB in the beginning and 101.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.18ms. Allocated memory was 178.3MB in the beginning and 234.9MB in the end (delta: 56.6MB). Free memory was 100.9MB in the beginning and 172.7MB in the end (delta: -71.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1024.42ms. Allocated memory is still 234.9MB. Free memory was 171.7MB in the beginning and 185.3MB in the end (delta: -13.6MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. * Witness Printer took 60.02ms. Allocated memory is still 234.9MB. Free memory was 185.3MB in the beginning and 181.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret568 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite571 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret654 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret568 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite571 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ret654 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6898-L6903] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6898-L6903] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6898-L6903] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6898-L6903] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6898-L6903] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6898-L6903] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7252] CALL aws_string_bytes_harness() [L7248] CALL, EXPR ensure_string_is_allocated_nondet_length() [L6827-L6829] CALL, EXPR ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)) [L6833] CALL, EXPR nondet_uint64_t() VAL [s_can_fail_allocator_static={4:0}] [L266] return __VERIFIER_nondet_ulong(); [L6833] RET, EXPR nondet_uint64_t() VAL [\old(max_size)=18446744073709551598, max_size=18446744073709551598, s_can_fail_allocator_static={4:0}] [L6833] size_t len = nondet_uint64_t(); [L6834] CALL assume_abort_if_not(len < max_size) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}] [L6834] RET assume_abort_if_not(len < max_size) VAL [\old(max_size)=18446744073709551598, len=0, max_size=18446744073709551598, s_can_fail_allocator_static={4:0}] [L6835] CALL, EXPR ensure_string_is_allocated(len) [L6839] CALL, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(size)=17, s_can_fail_allocator_static={4:0}] [L6915-L6917] CALL assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}] [L6915-L6917] RET assume_abort_if_not(size <= ( (18446744073709551615UL) >> (8 + 1))) VAL [\old(size)=17, s_can_fail_allocator_static={4:0}, size=17] [L6918] return malloc(size); [L6839] RET, EXPR bounded_malloc(sizeof(struct aws_string) + len + 1) VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}] [L6839] struct aws_string *str = bounded_malloc(sizeof(struct aws_string) + len + 1); [L6842] CALL, EXPR nondet_bool() VAL [s_can_fail_allocator_static={4:0}] [L261] return __VERIFIER_nondet_bool(); [L6842] RET, EXPR nondet_bool() VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}, str={-2:0}] [L6842-L6843] EXPR nondet_bool() ? can_fail_allocator() : ((void *)0) VAL [\old(len)=0, len=0, s_can_fail_allocator_static={4:0}, str={-2:0}] [L6842-L6843] *(struct aws_allocator **)(&str->allocator) = nondet_bool() ? can_fail_allocator() : ((void *)0) [L6845] *(size_t *)(&str->len) = len [L6846] *(uint8_t *)&str->bytes[len] = '\0' [L6847] return str; [L6835] RET, EXPR ensure_string_is_allocated(len) [L6835] return ensure_string_is_allocated(len); [L6827-L6829] RET, EXPR ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)) [L6827-L6829] return ensure_string_is_allocated_bounded_length( (18446744073709551615UL) - 1 - sizeof(struct aws_string)); [L7248] RET, EXPR ensure_string_is_allocated_nondet_length() [L7248] struct aws_string *str = ensure_string_is_allocated_nondet_length(); [L7249] CALL, EXPR aws_string_bytes(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}] [L6282] CALL, EXPR aws_string_is_valid(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) [L6294] EXPR str->len [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 [L6294] EXPR str->len [L6294] EXPR str->bytes[str->len] [L6294] EXPR str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0 VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6294] return str && ((((str->len + 1)) == 0) || ((&str->bytes[0]))) && str->bytes[str->len] == 0; [L6282] RET, EXPR aws_string_is_valid(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6282] CALL assume_abort_if_not((aws_string_is_valid(str))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}] [L6282] RET assume_abort_if_not((aws_string_is_valid(str))) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}, str={-2:0}] [L6283] return str->bytes; [L7249] RET, EXPR aws_string_bytes(str) VAL [s_can_fail_allocator_static={4:0}, str={-2:0}] [L7249] CALL __VERIFIER_assert(!(aws_string_bytes(str) == str->bytes)) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 27 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-23 07:45:05,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE