./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.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 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:48:42,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:48:42,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:48:42,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:48:42,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:48:42,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:48:42,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:48:42,709 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:48:42,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:48:42,709 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:48:42,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:48:42,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:48:42,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:48:42,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:48:42,711 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:48:42,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:48:42,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:48:42,712 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:48:42,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:48:42,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:48:42,713 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 675ab2caa96cd9b2eb6b721efd0b1d83fbee049c822d5b953bd418a0212be644 [2025-03-08 17:48:42,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:48:42,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:48:42,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:48:42,962 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:48:42,962 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:48:42,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-03-08 17:48:44,134 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9bda076/74656c49e1c14615b396433777369194/FLAGd27dcea70 [2025-03-08 17:48:44,581 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:48:44,582 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i [2025-03-08 17:48:44,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9bda076/74656c49e1c14615b396433777369194/FLAGd27dcea70 [2025-03-08 17:48:44,704 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9bda076/74656c49e1c14615b396433777369194 [2025-03-08 17:48:44,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:48:44,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:48:44,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:48:44,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:48:44,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:48:44,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:48:44" (1/1) ... [2025-03-08 17:48:44,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a08fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:44, skipping insertion in model container [2025-03-08 17:48:44,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:48:44" (1/1) ... [2025-03-08 17:48:44,779 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:48:44,980 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4493,4506] [2025-03-08 17:48:44,988 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4553,4566] [2025-03-08 17:48:45,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:45,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:48:45,985 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:48:45,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4493,4506] [2025-03-08 17:48:45,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_harness.i[4553,4566] [2025-03-08 17:48:46,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,032 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-08 17:48:46,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:48:46,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-08 17:48:46,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:48:46,293 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:48:46,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46 WrapperNode [2025-03-08 17:48:46,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:48:46,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:48:46,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:48:46,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:48:46,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,418 INFO L138 Inliner]: procedures = 680, calls = 2643, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 869 [2025-03-08 17:48:46,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:48:46,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:48:46,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:48:46,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:48:46,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,449 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,508 INFO L175 MemorySlicer]: Split 574 memory accesses to 8 slices as follows [257, 2, 9, 238, 4, 33, 9, 22]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 4, 6, 2, 4, 5, 2]. The 494 writes are split as follows [257, 0, 0, 232, 0, 3, 1, 1]. [2025-03-08 17:48:46,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,549 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:48:46,585 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:48:46,585 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:48:46,585 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:48:46,586 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (1/1) ... [2025-03-08 17:48:46,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:48:46,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:48:46,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:48:46,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:48:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:48:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:48:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_append [2025-03-08 17:48:46,632 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_append [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:48:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:48:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:48:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 17:48:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:48:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:48:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:48:46,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:48:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 17:48:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:48:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:48:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-03-08 17:48:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-03-08 17:48:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:48:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:48:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:48:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:48:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:48:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:48:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:48:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:48:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:48:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 17:48:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:48:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:48:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:48:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:48:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:48:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:48:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:48:46,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 17:48:46,886 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:48:46,887 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:48:46,915 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:48:46,918 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:48:46,997 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-03-08 17:48:47,008 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:48:47,027 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7409: havoc #t~mem697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~mem701;havoc #t~mem702.base, #t~mem702.offset;havoc #t~short703;havoc #t~short704;havoc #t~short705;havoc #t~short706; [2025-03-08 17:48:47,067 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7909: havoc #t~ret876; [2025-03-08 17:48:47,077 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2025-03-08 17:48:53,570 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-08 17:48:53,570 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:48:53,624 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2025-03-08 17:48:53,624 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:48:53,632 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:48:53,632 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:48:53,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:48:53 BoogieIcfgContainer [2025-03-08 17:48:53,633 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:48:53,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:48:53,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:48:53,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:48:53,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:48:44" (1/3) ... [2025-03-08 17:48:53,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad24fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:48:53, skipping insertion in model container [2025-03-08 17:48:53,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:46" (2/3) ... [2025-03-08 17:48:53,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad24fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:48:53, skipping insertion in model container [2025-03-08 17:48:53,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:48:53" (3/3) ... [2025-03-08 17:48:53,639 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_harness.i [2025-03-08 17:48:53,649 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:48:53,651 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_harness.i that has 14 procedures, 169 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:48:53,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:48:53,703 INFO L333 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, 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;@7cb5d627, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:48:53,704 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:48:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 106 states have (on average 1.2075471698113207) internal successors, (128), 107 states have internal predecessors, (128), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-08 17:48:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-08 17:48:53,716 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:48:53,716 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 17:48:53,717 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:48:53,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:48:53,723 INFO L85 PathProgramCache]: Analyzing trace with hash -419054029, now seen corresponding path program 1 times [2025-03-08 17:48:53,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:48:53,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813997873] [2025-03-08 17:48:53,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:48:53,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:49:58,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-08 17:49:59,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-08 17:49:59,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:49:59,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:49:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-03-08 17:49:59,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:49:59,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813997873] [2025-03-08 17:49:59,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813997873] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:49:59,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241306917] [2025-03-08 17:49:59,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:49:59,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:49:59,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:49:59,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:49:59,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process