./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_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_with_lookup_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 f32a256e85dfae47c8548ef83bd17812a642f36aa6564d2121f4ad41349db94a --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:48:57,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:48:57,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:48:57,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:48:57,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:48:57,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:48:57,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:48:57,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:48:57,438 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:48:57,439 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:48:57,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:48:57,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:48:57,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:48:57,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:48:57,440 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:48:57,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:48:57,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:48:57,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:48:57,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:48:57,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:48:57,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:48:57,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:48:57,441 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:48:57,441 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:48:57,441 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:48:57,441 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:48:57,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:48:57,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:48:57,441 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:48:57,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:48:57,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:48:57,442 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:48:57,442 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:48:57,442 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:48:57,442 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:48:57,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:48:57,443 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:48:57,443 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:48:57,443 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:48:57,443 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:48:57,443 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 -> f32a256e85dfae47c8548ef83bd17812a642f36aa6564d2121f4ad41349db94a [2025-03-08 17:48:57,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:48:57,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:48:57,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:48:57,681 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:48:57,681 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:48:57,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i [2025-03-08 17:48:58,842 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6007c2b3e/243d1d9a1c0a43ec848a432bd2bee432/FLAG8e3a49c19 [2025-03-08 17:48:59,299 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:48:59,300 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness.i [2025-03-08 17:48:59,338 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6007c2b3e/243d1d9a1c0a43ec848a432bd2bee432/FLAG8e3a49c19 [2025-03-08 17:48:59,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6007c2b3e/243d1d9a1c0a43ec848a432bd2bee432 [2025-03-08 17:48:59,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:48:59,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:48:59,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:48:59,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:48:59,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:48:59,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:48:59" (1/1) ... [2025-03-08 17:48:59,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@351fd624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:48:59, skipping insertion in model container [2025-03-08 17:48:59,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:48:59" (1/1) ... [2025-03-08 17:48:59,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:48:59,620 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_with_lookup_harness.i[4505,4518] [2025-03-08 17:48:59,627 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_with_lookup_harness.i[4565,4578] [2025-03-08 17:49:00,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,057 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,058 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,059 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,067 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,068 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,068 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:49:00,531 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:49:00,544 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_with_lookup_harness.i[4505,4518] [2025-03-08 17:49:00,544 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_with_lookup_harness.i[4565,4578] [2025-03-08 17:49:00,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,587 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,687 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8297] [2025-03-08 17:49:00,720 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,720 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:00,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8783-8794] [2025-03-08 17:49:00,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:49:00,916 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:49:00,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00 WrapperNode [2025-03-08 17:49:00,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:49:00,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:49:00,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:49:00,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:49:00,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:00,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,028 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 971 [2025-03-08 17:49:01,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:49:01,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:49:01,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:49:01,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:49:01,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,106 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [257, 2, 238, 32, 9, 4, 20, 1, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 6, 4, 5, 2, 2, 0, 4]. The 494 writes are split as follows [257, 0, 232, 3, 1, 0, 1, 0, 0]. [2025-03-08 17:49:01,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,163 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:49:01,196 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:49:01,196 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:49:01,196 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:49:01,197 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:01,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:49:01,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:49:01,225 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 17:49:01,230 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 17:49:01,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:49:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:49:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:49:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:49:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:49:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:49:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:49:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:49:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:49:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:49:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:49:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:49:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:49:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:49:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:49:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 17:49:01,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:49:01,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 17:49:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 17:49:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:49:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:49:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 17:49:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 17:49:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-03-08 17:49:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-03-08 17:49:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:49:01,251 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:49:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:49:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:49:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:49:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:49:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 17:49:01,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 17:49:01,509 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:49:01,510 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:49:01,535 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:49:01,537 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:49:01,578 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7405: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-03-08 17:49:01,589 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:49:01,607 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7415: havoc #t~mem696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~mem700;havoc #t~mem701.base, #t~mem701.offset;havoc #t~short702;havoc #t~short703;havoc #t~short704;havoc #t~short705; [2025-03-08 17:49:01,625 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 17:49:08,142 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7943: havoc aws_byte_buf_append_with_lookup_#t~ret895#1; [2025-03-08 17:49:08,143 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-08 17:49:08,143 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:49:08,172 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2025-03-08 17:49:08,172 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:49:08,188 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:49:08,188 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:49:08,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:08 BoogieIcfgContainer [2025-03-08 17:49:08,189 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:49:08,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:49:08,191 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:49:08,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:49:08,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:48:59" (1/3) ... [2025-03-08 17:49:08,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322b157f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:08, skipping insertion in model container [2025-03-08 17:49:08,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00" (2/3) ... [2025-03-08 17:49:08,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322b157f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:08, skipping insertion in model container [2025-03-08 17:49:08,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:08" (3/3) ... [2025-03-08 17:49:08,196 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness.i [2025-03-08 17:49:08,207 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:49:08,211 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_with_lookup_harness.i that has 13 procedures, 164 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:49:08,255 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:49:08,262 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;@6c961237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:49:08,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:49:08,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-03-08 17:49:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-08 17:49:08,276 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:49:08,277 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 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, 1] [2025-03-08 17:49:08,277 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:49:08,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:49:08,282 INFO L85 PathProgramCache]: Analyzing trace with hash -558675500, now seen corresponding path program 1 times [2025-03-08 17:49:08,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:49:08,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251453989] [2025-03-08 17:49:08,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:49:08,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:50:10,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-08 17:50:11,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-08 17:50:11,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:50:11,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:50:11,791 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-03-08 17:50:11,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:50:11,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251453989] [2025-03-08 17:50:11,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251453989] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:50:11,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173658018] [2025-03-08 17:50:11,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:50:11,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:50:11,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:50:11,794 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 17:50:11,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process