./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_init_copy_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 f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:58:01,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:58:01,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:58:01,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:58:01,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:58:01,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:58:01,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:58:01,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:58:01,394 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:58:01,394 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:58:01,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:58:01,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:58:01,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:58:01,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:58:01,394 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:58:01,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:58:01,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:58:01,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:58:01,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:58:01,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:58:01,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:58:01,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:58:01,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:58:01,395 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:58:01,395 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:58:01,395 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:58:01,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:58:01,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:58:01,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:58:01,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:01,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:58:01,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:58:01,396 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:58:01,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:58:01,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:58:01,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:58:01,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:58:01,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:58:01,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:58:01,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:58:01,397 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 -> f5dd39c48ce76f8326a75ac77da422c73e3ef3e01f39ceb8a7824c99e1b5196d [2025-02-06 04:58:01,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:58:01,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:58:01,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:58:01,656 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:58:01,656 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:58:01,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2025-02-06 04:58:02,816 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1286eabba/dbd85b1a087e435e94c0f00589fe2720/FLAG99c857d8b [2025-02-06 04:58:03,324 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:58:03,328 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2025-02-06 04:58:03,355 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1286eabba/dbd85b1a087e435e94c0f00589fe2720/FLAG99c857d8b [2025-02-06 04:58:03,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1286eabba/dbd85b1a087e435e94c0f00589fe2720 [2025-02-06 04:58:03,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:58:03,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:58:03,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:03,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:58:03,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:58:03,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:03" (1/1) ... [2025-02-06 04:58:03,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:03, skipping insertion in model container [2025-02-06 04:58:03,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:58:03" (1/1) ... [2025-02-06 04:58:03,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:58:03,675 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_init_copy_harness_negated.i[4496,4509] [2025-02-06 04:58:03,681 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_init_copy_harness_negated.i[4556,4569] [2025-02-06 04:58:04,163 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,188 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,189 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,191 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,604 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:04,718 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:58:04,730 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_init_copy_harness_negated.i[4496,4509] [2025-02-06 04:58:04,731 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_init_copy_harness_negated.i[4556,4569] [2025-02-06 04:58:04,778 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,780 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,780 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,780 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,780 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-02-06 04:58:04,933 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,933 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:58:04,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-02-06 04:58:04,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:58:05,135 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:58:05,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05 WrapperNode [2025-02-06 04:58:05,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:58:05,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:05,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:58:05,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:58:05,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,251 INFO L138 Inliner]: procedures = 680, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 945 [2025-02-06 04:58:05,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:58:05,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:58:05,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:58:05,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:58:05,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,265 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,335 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [257, 2, 238, 63, 6]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [0, 2, 6, 9, 0]. The 503 writes are split as follows [257, 0, 232, 12, 2]. [2025-02-06 04:58:05,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,374 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:58:05,389 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:58:05,389 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:58:05,389 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:58:05,390 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (1/1) ... [2025-02-06 04:58:05,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:58:05,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:58:05,418 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) [2025-02-06 04:58:05,425 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 [2025-02-06 04:58:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:58:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:58:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:58:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:58:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:58:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-06 04:58:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-06 04:58:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:58:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:58:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:58:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:58:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:58:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:58:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:58:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:58:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:58:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:58:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 04:58:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:58:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-06 04:58:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:58:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:58:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:58:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:58:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 04:58:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 04:58:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:58:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-06 04:58:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 04:58:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 04:58:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 04:58:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 04:58:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 04:58:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:58:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-06 04:58:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-02-06 04:58:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-02-06 04:58:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:58:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:58:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:58:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:58:05,732 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:58:05,734 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:58:05,767 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:58:05,812 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:58:05,859 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-02-06 04:58:05,887 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: 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; [2025-02-06 04:58:05,906 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:58:05,912 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2025-02-06 04:58:05,975 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-02-06 04:58:12,599 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6594: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2025-02-06 04:58:12,600 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:58:12,600 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:58:12,600 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341-2: havoc aws_byte_buf_init_copy_#t~ret665#1; [2025-02-06 04:58:12,649 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2025-02-06 04:58:12,649 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:58:12,662 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:58:12,662 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:58:12,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:12 BoogieIcfgContainer [2025-02-06 04:58:12,662 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:58:12,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:58:12,667 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:58:12,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:58:12,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:58:03" (1/3) ... [2025-02-06 04:58:12,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2311125c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:12, skipping insertion in model container [2025-02-06 04:58:12,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:58:05" (2/3) ... [2025-02-06 04:58:12,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2311125c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:58:12, skipping insertion in model container [2025-02-06 04:58:12,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:58:12" (3/3) ... [2025-02-06 04:58:12,672 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness_negated.i [2025-02-06 04:58:12,682 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:58:12,683 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_init_copy_harness_negated.i that has 20 procedures, 202 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-06 04:58:12,720 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:58:12,753 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;@15c79487, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:58:12,753 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:58:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 120 states have (on average 1.2416666666666667) internal successors, (149), 122 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-02-06 04:58:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 04:58:12,763 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:58:12,763 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2025-02-06 04:58:12,764 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:58:12,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:58:12,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1376570780, now seen corresponding path program 1 times [2025-02-06 04:58:12,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:58:12,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541504766] [2025-02-06 04:58:12,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:58:12,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:59:15,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 04:59:16,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 04:59:16,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:59:16,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:59:16,776 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 04:59:16,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:59:16,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541504766] [2025-02-06 04:59:16,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541504766] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:59:16,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856060300] [2025-02-06 04:59:16,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:16,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:59:16,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:16,787 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) [2025-02-06 04:59:16,790 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