./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-?-e2fb8be-m [2025-03-08 17:49:17,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:49:17,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:49:17,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:49:17,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:49:17,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:49:17,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:49:17,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:49:17,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:49:17,897 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:49:17,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:49:17,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:49:17,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:49:17,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:49:17,898 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:49:17,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:49:17,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:49:17,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:49:17,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:49:17,900 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:49:17,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:49:17,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:49:17,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:49:17,901 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:49:17,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:49:17,902 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:49:17,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:49:17,902 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:49:17,902 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:49:17,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:49:17,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:49:17,902 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/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 [2025-03-08 17:49:18,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:49:18,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:49:18,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:49:18,120 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:49:18,121 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:49:18,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-03-08 17:49:19,204 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/233d1a71f/f56a4bdc631d47539bd77fa9440484f7/FLAGecb79e64a [2025-03-08 17:49:19,596 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:49:19,597 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-03-08 17:49:19,623 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/233d1a71f/f56a4bdc631d47539bd77fa9440484f7/FLAGecb79e64a [2025-03-08 17:49:19,780 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/233d1a71f/f56a4bdc631d47539bd77fa9440484f7 [2025-03-08 17:49:19,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:49:19,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:49:19,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:49:19,784 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:49:19,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:49:19,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:49:19" (1/1) ... [2025-03-08 17:49:19,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f33c641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:19, skipping insertion in model container [2025-03-08 17:49:19,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:49:19" (1/1) ... [2025-03-08 17:49:19,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:49:20,002 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2025-03-08 17:49:20,009 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2025-03-08 17:49:20,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,461 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,461 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,471 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:49:20,939 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:49:20,948 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4502,4515] [2025-03-08 17:49:20,949 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i[4562,4575] [2025-03-08 17:49:20,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,983 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:20,988 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:21,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2025-03-08 17:49:21,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:21,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:21,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2025-03-08 17:49:21,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:49:21,288 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:49:21,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21 WrapperNode [2025-03-08 17:49:21,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:49:21,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:49:21,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:49:21,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:49:21,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,418 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-03-08 17:49:21,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:49:21,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:49:21,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:49:21,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:49:21,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,500 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]. [2025-03-08 17:49:21,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:49:21,532 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:49:21,532 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:49:21,532 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:49:21,536 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (1/1) ... [2025-03-08 17:49:21,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:49:21,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:49:21,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:49:21,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:49:21,581 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:49:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:49:21,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:49:21,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:49:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-08 17:49:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:49:21,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:49:21,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:49:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-08 17:49:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:49:21,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:49:21,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:49:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:49:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:49:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:49:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:49:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:49:21,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:49:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-08 17:49:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-08 17:49:21,586 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:49:21,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:49:21,799 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:49:21,800 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:49:21,823 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:49:21,827 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7124: havoc #t~ret595.base, #t~ret595.offset; [2025-03-08 17:49:21,867 INFO L1307 $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; [2025-03-08 17:49:21,875 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:49:28,968 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:49:29,004 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-03-08 17:49:29,004 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:49:29,012 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:49:29,013 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:49:29,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:29 BoogieIcfgContainer [2025-03-08 17:49:29,013 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:49:29,015 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:49:29,015 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:49:29,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:49:29,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:49:19" (1/3) ... [2025-03-08 17:49:29,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f66ca4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:29, skipping insertion in model container [2025-03-08 17:49:29,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:21" (2/3) ... [2025-03-08 17:49:29,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f66ca4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:29, skipping insertion in model container [2025-03-08 17:49:29,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:29" (3/3) ... [2025-03-08 17:49:29,020 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2025-03-08 17:49:29,030 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:49:29,031 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_clean_up_secure_harness.i that has 11 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:49:29,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:49:29,074 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;@64ee0200, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:49:29,074 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:49:29,077 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) [2025-03-08 17:49:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-08 17:49:29,084 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:49:29,085 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] [2025-03-08 17:49:29,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:49:29,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:49:29,089 INFO L85 PathProgramCache]: Analyzing trace with hash -769649484, now seen corresponding path program 1 times [2025-03-08 17:49:29,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:49:29,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094077921] [2025-03-08 17:49:29,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:49:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:50:36,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-08 17:50:36,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-08 17:50:36,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:50:36,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:50:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-03-08 17:50:37,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:50:37,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094077921] [2025-03-08 17:50:37,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094077921] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:50:37,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767484769] [2025-03-08 17:50:37,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:50:37,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:50:37,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:50:37,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:50:37,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process