./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 false --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 false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 09:08:50,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 09:08:50,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 09:08:50,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 09:08:50,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 09:08:50,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 09:08:50,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 09:08:50,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 09:08:50,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 09:08:50,125 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 09:08:50,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 09:08:50,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 09:08:50,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 09:08:50,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 09:08:50,127 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 09:08:50,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 09:08:50,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 09:08:50,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 09:08:50,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 09:08:50,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 09:08:50,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 09:08:50,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 09:08:50,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 09:08:50,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 09:08:50,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 09:08:50,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 09:08:50,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 09:08:50,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 09:08:50,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:08:50,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 09:08:50,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 09:08:50,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 09:08:50,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 09:08:50,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 09:08:50,132 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 09:08:50,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 09:08:50,132 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 09:08:50,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 09:08:50,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 09:08:50,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4adfd749a14198c07863d56d9f5241c9778edf12ce129aa891ff24fae8fc0bd8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 09:08:50,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 09:08:50,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 09:08:50,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 09:08:50,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 09:08:50,432 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 09:08:50,434 INFO L431 ainManager$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 09:08:51,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 09:08:51,944 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 09:08:51,944 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_bytes_harness_negated.i [2023-11-23 09:08:51,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb269907a/48280f2e66c3445292bbfd1a9572b6e5/FLAGcc5d75754 [2023-11-23 09:08:51,984 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb269907a/48280f2e66c3445292bbfd1a9572b6e5 [2023-11-23 09:08:51,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 09:08:51,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 09:08:52,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 09:08:52,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 09:08:52,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 09:08:52,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:51" (1/1) ... [2023-11-23 09:08:52,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335fc6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:52, skipping insertion in model container [2023-11-23 09:08:52,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:51" (1/1) ... [2023-11-23 09:08:52,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 09:08:52,346 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 09:08:52,352 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 09:08:52,832 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,833 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,834 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,835 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,835 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,849 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,851 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,854 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,855 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,858 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,860 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,860 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:52,860 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,106 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:08:53,108 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:08:53,109 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:08:53,110 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:08:53,112 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:08:53,113 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:08:53,113 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:08:53,114 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:08:53,114 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:08:53,115 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:08:53,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:08:53,239 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 09:08:53,254 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 09:08:53,255 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 09:08:53,275 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,278 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,278 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,279 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,279 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,286 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,290 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,291 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,292 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,292 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,293 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,293 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,293 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 09:08:53,316 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 09:08:53,317 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 09:08:53,317 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 09:08:53,318 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 09:08:53,318 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 09:08:53,319 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 09:08:53,319 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 09:08:53,319 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 09:08:53,319 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 09:08:53,320 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 09:08:53,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 09:08:53,559 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,560 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,560 WARN L675 CHandler]: The function aws_last_error is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,560 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,560 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,560 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,561 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,561 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,561 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,561 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,561 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,561 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,561 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,562 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,562 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,562 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,562 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 09:08:53,569 INFO L206 MainTranslator]: Completed translation [2023-11-23 09:08:53,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53 WrapperNode [2023-11-23 09:08:53,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 09:08:53,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 09:08:53,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 09:08:53,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 09:08:53,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,691 INFO L138 Inliner]: procedures = 678, calls = 973, calls flagged for inlining = 44, calls inlined = 6, statements flattened = 58 [2023-11-23 09:08:53,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 09:08:53,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 09:08:53,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 09:08:53,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 09:08:53,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 09:08:53,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 09:08:53,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 09:08:53,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 09:08:53,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (1/1) ... [2023-11-23 09:08:53,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 09:08:53,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 09:08:53,797 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 09:08:53,815 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 09:08:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2023-11-23 09:08:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2023-11-23 09:08:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2023-11-23 09:08:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2023-11-23 09:08:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 09:08:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 09:08:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 09:08:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 09:08:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 09:08:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 09:08:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 09:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 09:08:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2023-11-23 09:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2023-11-23 09:08:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2023-11-23 09:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2023-11-23 09:08:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 09:08:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 09:08:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 09:08:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2023-11-23 09:08:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2023-11-23 09:08:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-23 09:08:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-23 09:08:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 09:08:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 09:08:54,036 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 09:08:54,038 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 09:08:54,165 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 09:08:54,232 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 09:08:54,232 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 09:08:54,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:54 BoogieIcfgContainer [2023-11-23 09:08:54,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 09:08:54,234 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 09:08:54,234 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 09:08:54,237 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 09:08:54,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:08:51" (1/3) ... [2023-11-23 09:08:54,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728f893b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:54, skipping insertion in model container [2023-11-23 09:08:54,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:53" (2/3) ... [2023-11-23 09:08:54,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728f893b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:54, skipping insertion in model container [2023-11-23 09:08:54,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:54" (3/3) ... [2023-11-23 09:08:54,242 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_bytes_harness_negated.i [2023-11-23 09:08:54,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 09:08:54,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 09:08:54,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 09:08:54,307 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;@56fa33b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 09:08:54,308 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 09:08:54,311 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 09:08:54,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 09:08:54,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:08:54,321 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 09:08:54,322 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:08:54,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:08:54,326 INFO L85 PathProgramCache]: Analyzing trace with hash -763905126, now seen corresponding path program 1 times [2023-11-23 09:08:54,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:08:54,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783430012] [2023-11-23 09:08:54,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:08:54,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:08:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:08:55,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:08:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:08:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 09:08:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:08:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 09:08:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:08:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:08:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:08:55,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 09:08:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:08:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-23 09:08:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:08:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 09:08:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:08:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 09:08:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 09:08:55,372 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 09:08:55,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 09:08:55,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783430012] [2023-11-23 09:08:55,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783430012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 09:08:55,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 09:08:55,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-23 09:08:55,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711090571] [2023-11-23 09:08:55,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 09:08:55,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-23 09:08:55,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 09:08:55,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-23 09:08:55,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-23 09:08:55,408 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 14 states, 10 states have (on average 2.3) internal successors, (23), 11 states have internal predecessors, (23), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-23 09:08:55,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 09:08:55,802 INFO L93 Difference]: Finished difference Result 102 states and 128 transitions. [2023-11-23 09:08:55,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 09:08:55,805 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 2.3) internal successors, (23), 11 states have internal predecessors, (23), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 46 [2023-11-23 09:08:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 09:08:55,812 INFO L225 Difference]: With dead ends: 102 [2023-11-23 09:08:55,813 INFO L226 Difference]: Without dead ends: 51 [2023-11-23 09:08:55,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2023-11-23 09:08:55,819 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 44 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 09:08:55,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 198 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 09:08:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-23 09:08:55,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2023-11-23 09:08:55,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 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 09:08:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2023-11-23 09:08:55,859 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 46 [2023-11-23 09:08:55,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 09:08:55,861 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2023-11-23 09:08:55,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 2.3) internal successors, (23), 11 states have internal predecessors, (23), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-23 09:08:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2023-11-23 09:08:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 09:08:55,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 09:08:55,863 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 09:08:55,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 09:08:55,866 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 09:08:55,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 09:08:55,867 INFO L85 PathProgramCache]: Analyzing trace with hash 247212124, now seen corresponding path program 1 times [2023-11-23 09:08:55,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 09:08:55,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774395433] [2023-11-23 09:08:55,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 09:08:55,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 09:08:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 09:08:56,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 09:08:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 09:08:56,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 09:08:56,154 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 09:08:56,157 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 09:08:56,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 09:08:56,163 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 09:08:56,166 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 09:08:56,192 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated [2023-11-23 09:08:56,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret568 [2023-11-23 09:08:56,193 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-23 09:08:56,194 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-23 09:08:56,194 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite571 [2023-11-23 09:08:56,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 09:08:56,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 09:08:56,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated [2023-11-23 09:08:56,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 09:08:56,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated [2023-11-23 09:08:56,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated [2023-11-23 09:08:56,196 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 09:08:56,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-23 09:08:56,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-23 09:08:56,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret654 [2023-11-23 09:08:56,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:08:56 BoogieIcfgContainer [2023-11-23 09:08:56,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 09:08:56,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 09:08:56,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 09:08:56,208 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 09:08:56,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:54" (3/4) ... [2023-11-23 09:08:56,210 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 09:08:56,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret566 could not be translated [2023-11-23 09:08:56,229 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret568 [2023-11-23 09:08:56,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-23 09:08:56,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret569 could not be translated [2023-11-23 09:08:56,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ite571 [2023-11-23 09:08:56,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 09:08:56,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 09:08:56,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated [2023-11-23 09:08:56,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated [2023-11-23 09:08:56,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated [2023-11-23 09:08:56,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated [2023-11-23 09:08:56,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated [2023-11-23 09:08:56,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-23 09:08:56,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret495 could not be translated [2023-11-23 09:08:56,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~ret654 [2023-11-23 09:08:56,281 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 09:08:56,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 09:08:56,282 INFO L158 Benchmark]: Toolchain (without parser) took 4295.14ms. Allocated memory was 155.2MB in the beginning and 308.3MB in the end (delta: 153.1MB). Free memory was 81.4MB in the beginning and 200.4MB in the end (delta: -119.0MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-23 09:08:56,282 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory was 123.7MB in the beginning and 123.7MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 09:08:56,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1555.03ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 125.2MB in the beginning and 137.6MB in the end (delta: -12.4MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2023-11-23 09:08:56,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.46ms. Allocated memory is still 230.7MB. Free memory was 137.6MB in the beginning and 132.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 09:08:56,283 INFO L158 Benchmark]: Boogie Preprocessor took 62.22ms. Allocated memory is still 230.7MB. Free memory was 132.3MB in the beginning and 130.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 09:08:56,283 INFO L158 Benchmark]: RCFGBuilder took 478.03ms. Allocated memory is still 230.7MB. Free memory was 130.2MB in the beginning and 106.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 09:08:56,283 INFO L158 Benchmark]: TraceAbstraction took 1973.69ms. Allocated memory was 230.7MB in the beginning and 308.3MB in the end (delta: 77.6MB). Free memory was 106.1MB in the beginning and 203.5MB in the end (delta: -97.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 09:08:56,284 INFO L158 Benchmark]: Witness Printer took 73.34ms. Allocated memory is still 308.3MB. Free memory was 203.5MB in the beginning and 200.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 09:08:56,285 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory was 123.7MB in the beginning and 123.7MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1555.03ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 125.2MB in the beginning and 137.6MB in the end (delta: -12.4MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.46ms. Allocated memory is still 230.7MB. Free memory was 137.6MB in the beginning and 132.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.22ms. Allocated memory is still 230.7MB. Free memory was 132.3MB in the beginning and 130.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.03ms. Allocated memory is still 230.7MB. Free memory was 130.2MB in the beginning and 106.1MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1973.69ms. Allocated memory was 230.7MB in the beginning and 308.3MB in the end (delta: 77.6MB). Free memory was 106.1MB in the beginning and 203.5MB in the end (delta: -97.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.34ms. Allocated memory is still 308.3MB. Free memory was 203.5MB in the beginning and 200.4MB in the end (delta: 3.1MB). 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: IdentifierExpression #t~ret569 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~ite571 - 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~mem498 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 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~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem498 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem496 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem499 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short500 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short497 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, }; [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]))) [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 [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: 1.9s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 430 IncrementalHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 24 mSDtfsCounter, 430 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 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 09:08:56,316 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