./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 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_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-?-48c9605-m [2025-02-08 01:32:24,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:32:24,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:32:24,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:32:24,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:32:24,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:32:24,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:32:24,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:32:24,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:32:24,806 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:32:24,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:32:24,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:32:24,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:32:24,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:32:24,807 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:32:24,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:32:24,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:32:24,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:32:24,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:32:24,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:32:24,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:32:24,809 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:32:24,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:32:24,809 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:32:24,810 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:32:24,810 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:32:24,810 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:32:24,810 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:32:24,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:32:24,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:32:24,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:32:24,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:32:24,810 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:32:24,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:32:24,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:32:24,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:32:24,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:32:24,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:32:24,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:32:24,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:32:24,811 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 [2025-02-08 01:32:25,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:32:25,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:32:25,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:32:25,103 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:32:25,104 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:32:25,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-02-08 01:32:26,362 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01f24fedf/2c38b7ccd97244a8bb29d4f2551f276b/FLAGb67749f19 [2025-02-08 01:32:26,912 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:32:26,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-02-08 01:32:26,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01f24fedf/2c38b7ccd97244a8bb29d4f2551f276b/FLAGb67749f19 [2025-02-08 01:32:27,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01f24fedf/2c38b7ccd97244a8bb29d4f2551f276b [2025-02-08 01:32:27,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:32:27,456 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:32:27,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:32:27,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:32:27,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:32:27,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:32:27" (1/1) ... [2025-02-08 01:32:27,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff55a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:27, skipping insertion in model container [2025-02-08 01:32:27,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:32:27" (1/1) ... [2025-02-08 01:32:27,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:32:27,734 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] [2025-02-08 01:32:27,741 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] [2025-02-08 01:32:28,245 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,246 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,247 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,260 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,261 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:32:28,848 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:32:28,858 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] [2025-02-08 01:32:28,859 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] [2025-02-08 01:32:28,898 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,898 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,899 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,909 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:28,909 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:29,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2025-02-08 01:32:29,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:29,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:29,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2025-02-08 01:32:29,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:32:29,313 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:32:29,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29 WrapperNode [2025-02-08 01:32:29,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:32:29,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:32:29,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:32:29,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:32:29,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,449 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-02-08 01:32:29,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:32:29,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:32:29,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:32:29,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:32:29,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,534 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 7, 257, 32, 238]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 0, 4, 6]. The 497 writes are split as follows [0, 1, 257, 7, 232]. [2025-02-08 01:32:29,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:32:29,608 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:32:29,608 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:32:29,608 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:32:29,612 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (1/1) ... [2025-02-08 01:32:29,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:32:29,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:32:29,645 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 01:32:29,647 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 01:32:29,669 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:32:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:32:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:32:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:32:29,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:32:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:32:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:32:29,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:32:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-02-08 01:32:29,672 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:32:29,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:32:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:32:29,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:32:29,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:32:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:32:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:32:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 01:32:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 01:32:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:32:29,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:32:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:32:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:32:29,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:32:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:32:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:32:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:32:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:32:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:32:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:32:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:32:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:32:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-08 01:32:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-08 01:32:29,677 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:32:29,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:32:29,926 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:32:29,928 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:32:29,984 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:32:29,995 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7112: havoc #t~ret595.base, #t~ret595.offset; [2025-02-08 01:32:30,074 INFO L1324 $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; [2025-02-08 01:32:30,090 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:32:37,714 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:32:37,909 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-02-08 01:32:37,909 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:32:37,920 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:32:37,920 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:32:37,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:32:37 BoogieIcfgContainer [2025-02-08 01:32:37,921 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:32:37,925 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:32:37,925 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:32:37,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:32:37,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:32:27" (1/3) ... [2025-02-08 01:32:37,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eb6b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:32:37, skipping insertion in model container [2025-02-08 01:32:37,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:29" (2/3) ... [2025-02-08 01:32:37,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68eb6b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:32:37, skipping insertion in model container [2025-02-08 01:32:37,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:32:37" (3/3) ... [2025-02-08 01:32:37,933 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness_negated.i [2025-02-08 01:32:37,951 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:32:37,952 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_clean_up_secure_harness_negated.i that has 11 procedures, 111 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:32:38,010 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:32:38,022 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@533d7a5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:32:38,023 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:32:38,027 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 01:32:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-08 01:32:38,037 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:32:38,037 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 01:32:38,038 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:32:38,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:32:38,043 INFO L85 PathProgramCache]: Analyzing trace with hash 298928984, now seen corresponding path program 1 times [2025-02-08 01:32:38,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:32:38,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003697189] [2025-02-08 01:32:38,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:32:38,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:33:40,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 01:33:41,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 01:33:41,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:33:41,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:33:42,599 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 01:33:42,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:33:42,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003697189] [2025-02-08 01:33:42,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003697189] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:33:42,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402974404] [2025-02-08 01:33:42,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:33:42,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:33:42,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:33:42,604 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 01:33:42,605 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