./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_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_clean_up_secure_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 bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:55:50,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:55:50,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:55:50,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:55:50,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:55:50,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:55:50,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:55:50,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:55:50,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:55:50,254 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:55:50,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:55:50,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:55:50,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:55:50,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:55:50,256 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:55:50,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:55:50,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:55:50,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:55:50,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:55:50,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:55:50,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:55:50,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:55:50,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:55:50,257 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:55:50,257 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:55:50,257 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:55:50,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:55:50,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:55:50,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:55:50,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:55:50,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:55:50,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:55:50,259 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:55:50,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:55:50,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:55:50,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:55:50,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:55:50,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:55:50,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:55:50,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:55:50,260 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 -> bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 [2025-02-06 04:55:50,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:55:50,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:55:50,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:55:50,535 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:55:50,536 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:55:50,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-02-06 04:55:51,770 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/74a5993a2/839ee153646a4ca59bf57f7174731090/FLAG3594fca06 [2025-02-06 04:55:52,358 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:55:52,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-02-06 04:55:52,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/74a5993a2/839ee153646a4ca59bf57f7174731090/FLAG3594fca06 [2025-02-06 04:55:52,406 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/74a5993a2/839ee153646a4ca59bf57f7174731090 [2025-02-06 04:55:52,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:55:52,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:55:52,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:55:52,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:55:52,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:55:52,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:55:52" (1/1) ... [2025-02-06 04:55:52,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b70be81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:52, skipping insertion in model container [2025-02-06 04:55:52,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:55:52" (1/1) ... [2025-02-06 04:55:52,492 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:55:52,698 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_negated.i[4502,4515] [2025-02-06 04:55:52,705 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_negated.i[4562,4575] [2025-02-06 04:55:53,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,280 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,281 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,722 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,723 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:55:53,878 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:55:53,895 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_negated.i[4502,4515] [2025-02-06 04:55:53,895 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_negated.i[4562,4575] [2025-02-06 04:55:53,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,940 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,941 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,946 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,947 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,948 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:53,948 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2025-02-06 04:55:54,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,053 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:55:54,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2025-02-06 04:55:54,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:55:54,314 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:55:54,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54 WrapperNode [2025-02-06 04:55:54,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:55:54,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:55:54,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:55:54,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:55:54,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,466 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-02-06 04:55:54,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:55:54,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:55:54,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:55:54,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:55:54,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,578 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 238, 7, 32]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 497 writes are split as follows [0, 257, 232, 1, 7]. [2025-02-06 04:55:54,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,617 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:55:54,650 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:55:54,650 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:55:54,650 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:55:54,651 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (1/1) ... [2025-02-06 04:55:54,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:55:54,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:55:54,680 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 04:55:54,684 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 04:55:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:55:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:55:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:55:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:55:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:55:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:55:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:55:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:55:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:55:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:55:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:55:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:55:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:55:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:55:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:55:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:55:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:55:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-02-06 04:55:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-02-06 04:55:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:55:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:55:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:55:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:55:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:55:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:55:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:55:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:55:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:55:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:55:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:55:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:55:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:55:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:55:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:55:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:55:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 04:55:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 04:55:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:55:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:55:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:55:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:55:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-06 04:55:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-06 04:55:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:55:54,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:55:54,947 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:55:54,949 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:55:54,994 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:55:55,003 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7112: havoc #t~ret595.base, #t~ret595.offset; [2025-02-06 04:55:55,059 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7169: 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; [2025-02-06 04:55:55,073 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:56:02,885 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:56:02,932 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-02-06 04:56:02,932 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:56:02,945 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:56:02,946 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:56:02,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:56:02 BoogieIcfgContainer [2025-02-06 04:56:02,946 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:56:02,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:56:02,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:56:02,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:56:02,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:55:52" (1/3) ... [2025-02-06 04:56:02,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76eb6586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:56:02, skipping insertion in model container [2025-02-06 04:56:02,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:55:54" (2/3) ... [2025-02-06 04:56:02,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76eb6586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:56:02, skipping insertion in model container [2025-02-06 04:56:02,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:56:02" (3/3) ... [2025-02-06 04:56:02,956 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness_negated.i [2025-02-06 04:56:02,971 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:56:02,972 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_clean_up_secure_harness_negated.i that has 11 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 04:56:03,021 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:56:03,033 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;@3204513e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:56:03,033 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:56:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 79 states have internal predecessors, (95), 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) [2025-02-06 04:56:03,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 04:56:03,045 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:56:03,046 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, 1, 1] [2025-02-06 04:56:03,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:56:03,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:56:03,055 INFO L85 PathProgramCache]: Analyzing trace with hash -769649484, now seen corresponding path program 1 times [2025-02-06 04:56:03,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:56:03,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266195923] [2025-02-06 04:56:03,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:56:03,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:57:12,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 04:57:12,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 04:57:12,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:57:12,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:57:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-02-06 04:57:13,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:57:13,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266195923] [2025-02-06 04:57:13,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266195923] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:57:13,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043943149] [2025-02-06 04:57:13,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:57:13,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:57:13,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:57:13,670 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 04:57:13,672 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