./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:59:14,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:59:14,913 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 16:59:14,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:59:14,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:59:14,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:59:14,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:59:14,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:59:14,943 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:59:14,943 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:59:14,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:59:14,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:59:14,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:59:14,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:59:14,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:59:14,944 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:14,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:59:14,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:14,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:59:14,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:59:14,945 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-jdk21/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 -> 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 [2025-01-09 16:59:15,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:59:15,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:59:15,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:59:15,191 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:59:15,191 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:59:15,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2025-01-09 16:59:16,340 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6ce8a6c8/2842053005c54c9683e4bc015dfce934/FLAG0acb518c1 [2025-01-09 16:59:16,839 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:59:16,840 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2025-01-09 16:59:16,879 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6ce8a6c8/2842053005c54c9683e4bc015dfce934/FLAG0acb518c1 [2025-01-09 16:59:16,894 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d6ce8a6c8/2842053005c54c9683e4bc015dfce934 [2025-01-09 16:59:16,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:59:16,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:59:16,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:59:16,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:59:16,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:59:16,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:59:16" (1/1) ... [2025-01-09 16:59:16,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349b2610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:16, skipping insertion in model container [2025-01-09 16:59:16,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:59:16" (1/1) ... [2025-01-09 16:59:16,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:59:17,222 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i[4501,4514] [2025-01-09 16:59:17,230 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i[4561,4574] [2025-01-09 16:59:18,181 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,182 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:18,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:59:19,451 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:59:19,463 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i[4501,4514] [2025-01-09 16:59:19,464 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i[4561,4574] [2025-01-09 16:59:19,505 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,521 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,521 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,522 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2025-01-09 16:59:19,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 16:59:19,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2025-01-09 16:59:19,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:59:19,972 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:59:19,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19 WrapperNode [2025-01-09 16:59:19,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:59:19,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:19,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:59:19,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:59:19,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,133 INFO L138 Inliner]: procedures = 680, calls = 2637, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1079 [2025-01-09 16:59:20,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:59:20,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:59:20,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:59:20,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:59:20,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,230 INFO L175 MemorySlicer]: Split 595 memory accesses to 9 slices as follows [2, 257, 238, 4, 9, 8, 5, 25, 47]. 43 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [2, 0, 6, 2, 5, 4, 1, 2, 4]. The 497 writes are split as follows [0, 257, 232, 0, 1, 0, 1, 1, 5]. [2025-01-09 16:59:20,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,270 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:59:20,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:59:20,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:59:20,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:59:20,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (1/1) ... [2025-01-09 16:59:20,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:59:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:59:20,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 16:59:20,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 16:59:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-01-09 16:59:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-01-09 16:59:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 16:59:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 16:59:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 16:59:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 16:59:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 16:59:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 16:59:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 16:59:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 16:59:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 16:59:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 16:59:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 16:59:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 16:59:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 16:59:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 16:59:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-01-09 16:59:20,365 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:59:20,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 16:59:20,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 16:59:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 16:59:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-01-09 16:59:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:59:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-01-09 16:59:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 16:59:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 16:59:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 16:59:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 16:59:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 16:59:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2025-01-09 16:59:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 16:59:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 16:59:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 16:59:20,690 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:59:20,692 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:59:27,911 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2025-01-09 16:59:27,912 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:59:27,930 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:59:27,933 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 16:59:27,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:27 BoogieIcfgContainer [2025-01-09 16:59:27,934 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:59:27,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:59:27,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:59:27,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:59:27,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:59:16" (1/3) ... [2025-01-09 16:59:27,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2a91a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:27, skipping insertion in model container [2025-01-09 16:59:27,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:59:19" (2/3) ... [2025-01-09 16:59:27,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2a91a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:59:27, skipping insertion in model container [2025-01-09 16:59:27,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:59:27" (3/3) ... [2025-01-09 16:59:27,944 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_dynamic_harness_negated.i [2025-01-09 16:59:27,958 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:59:27,960 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_append_dynamic_harness_negated.i that has 19 procedures, 248 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 16:59:28,012 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:59:28,022 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;@22d9d79a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:59:28,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:59:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand has 248 states, 156 states have (on average 1.2371794871794872) internal successors, (193), 157 states have internal predecessors, (193), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-01-09 16:59:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-09 16:59:28,035 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:59:28,036 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-01-09 16:59:28,036 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:59:28,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:59:28,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1548813975, now seen corresponding path program 1 times [2025-01-09 16:59:28,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:59:28,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720603918] [2025-01-09 16:59:28,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:59:28,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:00:35,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-09 17:00:35,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-09 17:00:35,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:00:35,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:00:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-09 17:00:36,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:00:36,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720603918] [2025-01-09 17:00:36,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720603918] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:00:36,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140769418] [2025-01-09 17:00:36,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:00:36,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:00:36,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:00:36,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 17:00:36,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process