./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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_clean_up_secure_harness.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 ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:32:01,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:32:01,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:32:01,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:32:01,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:32:01,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:32:01,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:32:01,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:32:01,441 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:32:01,441 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:32:01,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:32:01,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:32:01,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:32:01,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:32:01,443 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:32:01,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:32:01,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:32:01,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:32:01,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:32:01,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:32:01,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:32:01,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:32:01,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:32:01,444 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:32:01,444 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:32:01,444 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:32:01,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:32:01,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:32:01,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:32:01,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:32:01,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:32:01,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:32:01,445 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:32:01,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:32:01,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:32:01,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:32:01,445 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:32:01,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:32:01,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:32:01,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:32:01,445 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 -> ee87a50cadbe7f10c8f1c265f4107449c896fee4805223b18eafcf84379da0a0 [2025-02-08 01:32:01,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:32:01,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:32:01,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:32:01,655 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:32:01,655 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:32:01,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-02-08 01:32:02,793 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/840213b15/b259ceb068474a1d9e08b558bed82735/FLAGac726ebc0 [2025-02-08 01:32:03,182 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:32:03,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-02-08 01:32:03,209 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/840213b15/b259ceb068474a1d9e08b558bed82735/FLAGac726ebc0 [2025-02-08 01:32:03,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/840213b15/b259ceb068474a1d9e08b558bed82735 [2025-02-08 01:32:03,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:32:03,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:32:03,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:32:03,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:32:03,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:32:03,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:32:03" (1/1) ... [2025-02-08 01:32:03,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae2d662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:03, skipping insertion in model container [2025-02-08 01:32:03,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:32:03" (1/1) ... [2025-02-08 01:32:03,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:32:03,585 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_clean_up_secure_harness.i[4502,4515] [2025-02-08 01:32:03,592 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_clean_up_secure_harness.i[4562,4575] [2025-02-08 01:32:03,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:03,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:03,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,006 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,016 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:32:04,508 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:32:04,517 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_clean_up_secure_harness.i[4502,4515] [2025-02-08 01:32:04,517 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_clean_up_secure_harness.i[4562,4575] [2025-02-08 01:32:04,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,546 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,546 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,551 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,551 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2025-02-08 01:32:04,648 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,649 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:04,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2025-02-08 01:32:04,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:32:04,822 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:32:04,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04 WrapperNode [2025-02-08 01:32:04,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:32:04,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:32:04,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:32:04,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:32:04,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:04,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:04,949 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-02-08 01:32:04,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:32:04,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:32:04,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:32:04,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:32:04,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:04,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:04,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:05,033 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 238, 32, 7]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 497 writes are split as follows [0, 257, 232, 7, 1]. [2025-02-08 01:32:05,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:05,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:05,065 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:05,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:05,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:05,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:05,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:32:05,091 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:32:05,091 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:32:05,091 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:32:05,092 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (1/1) ... [2025-02-08 01:32:05,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:32:05,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:32:05,116 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) [2025-02-08 01:32:05,118 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 [2025-02-08 01:32:05,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:32:05,136 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:32:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:32:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:32:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:32:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:32:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:32:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:32:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:32:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-02-08 01:32:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:32:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:32:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:32:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:32:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 01:32:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 01:32:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:32:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:32:05,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:32:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-08 01:32:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-08 01:32:05,141 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:32:05,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:32:05,353 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:32:05,355 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:32:05,396 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:32:05,400 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7124: havoc #t~ret595.base, #t~ret595.offset; [2025-02-08 01:32:05,452 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7181: havoc #t~mem620;havoc #t~mem621;havoc #t~short622;havoc #t~mem623.base, #t~mem623.offset;havoc #t~short624;havoc #t~mem625;havoc #t~mem626;havoc #t~mem627;havoc #t~short628;havoc #t~mem629;havoc #t~mem630.base, #t~mem630.offset;havoc #t~short631;havoc #t~short632;havoc #t~short633;havoc #t~short634; [2025-02-08 01:32:05,462 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:32:12,061 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:32:12,180 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-02-08 01:32:12,180 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:32:12,190 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:32:12,191 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:32:12,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:32:12 BoogieIcfgContainer [2025-02-08 01:32:12,191 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:32:12,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:32:12,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:32:12,196 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:32:12,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:32:03" (1/3) ... [2025-02-08 01:32:12,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547e2858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:32:12, skipping insertion in model container [2025-02-08 01:32:12,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:04" (2/3) ... [2025-02-08 01:32:12,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547e2858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:32:12, skipping insertion in model container [2025-02-08 01:32:12,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:32:12" (3/3) ... [2025-02-08 01:32:12,198 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2025-02-08 01:32:12,209 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:32:12,211 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_clean_up_secure_harness.i that has 11 procedures, 111 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:32:12,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:32:12,262 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;@76c4410d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:32:12,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:32:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 01:32:12,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-08 01:32:12,304 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:32:12,305 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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] [2025-02-08 01:32:12,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:32:12,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:32:12,309 INFO L85 PathProgramCache]: Analyzing trace with hash 298928984, now seen corresponding path program 1 times [2025-02-08 01:32:12,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:32:12,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773112034] [2025-02-08 01:32:12,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:32:12,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:33:23,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 01:33:23,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 01:33:23,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:33:23,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:33:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-02-08 01:33:24,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:33:24,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773112034] [2025-02-08 01:33:24,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773112034] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:33:24,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002684824] [2025-02-08 01:33:24,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:33:24,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:33:24,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:33:24,637 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) [2025-02-08 01:33:24,639 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