./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 798a7b37 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-?-798a7b3-m [2025-03-04 02:38:14,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:38:14,445 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:38:14,450 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:38:14,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:38:14,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:38:14,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:38:14,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:38:14,476 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:38:14,476 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:38:14,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:38:14,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:38:14,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:38:14,477 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:38:14,478 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:38:14,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:38:14,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:38:14,478 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 [2025-03-04 02:38:14,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:38:14,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:38:14,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:38:14,728 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:38:14,728 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:38:14,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-03-04 02:38:15,909 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f35eac6/e112b85e60ab48b69983d8bfe1a2774b/FLAG671ceb939 [2025-03-04 02:38:16,449 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:38:16,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness.i [2025-03-04 02:38:16,479 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f35eac6/e112b85e60ab48b69983d8bfe1a2774b/FLAG671ceb939 [2025-03-04 02:38:16,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97f35eac6/e112b85e60ab48b69983d8bfe1a2774b [2025-03-04 02:38:16,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:38:16,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:38:16,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:38:16,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:38:16,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:38:16,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:38:16" (1/1) ... [2025-03-04 02:38:16,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57472dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:16, skipping insertion in model container [2025-03-04 02:38:16,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:38:16" (1/1) ... [2025-03-04 02:38:16,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:38:16,810 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] [2025-03-04 02:38:16,819 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] [2025-03-04 02:38:17,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:17,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:38:17,974 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:38:17,987 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] [2025-03-04 02:38:17,988 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] [2025-03-04 02:38:18,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,033 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,034 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,035 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,042 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,043 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8073] [2025-03-04 02:38:18,188 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,188 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:18,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8559-8570] [2025-03-04 02:38:18,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:38:18,357 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:38:18,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18 WrapperNode [2025-03-04 02:38:18,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:38:18,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:38:18,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:38:18,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:38:18,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,478 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-03-04 02:38:18,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:38:18,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:38:18,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:38:18,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:38:18,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,495 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,560 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]. [2025-03-04 02:38:18,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,594 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,621 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:38:18,621 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:38:18,621 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:38:18,621 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:38:18,622 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (1/1) ... [2025-03-04 02:38:18,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:38:18,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:38:18,645 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) [2025-03-04 02:38:18,647 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 [2025-03-04 02:38:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:38:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:38:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:38:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:38:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:38:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-04 02:38:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:38:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:38:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:38:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-04 02:38:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:38:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:38:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:38:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-04 02:38:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-04 02:38:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:38:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:38:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:38:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:38:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:38:18,878 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:38:18,880 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:38:18,912 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6880: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:38:18,917 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7124: havoc #t~ret595.base, #t~ret595.offset; [2025-03-04 02:38:18,995 INFO L1325 $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; [2025-03-04 02:38:19,008 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:38:25,924 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:38:25,957 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-03-04 02:38:25,957 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:38:25,964 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:38:25,964 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:38:25,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:25 BoogieIcfgContainer [2025-03-04 02:38:25,964 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:38:25,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:38:25,966 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:38:25,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:38:25,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:38:16" (1/3) ... [2025-03-04 02:38:25,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de673c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:25, skipping insertion in model container [2025-03-04 02:38:25,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:18" (2/3) ... [2025-03-04 02:38:25,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1de673c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:25, skipping insertion in model container [2025-03-04 02:38:25,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:25" (3/3) ... [2025-03-04 02:38:25,971 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness.i [2025-03-04 02:38:25,982 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:38:25,984 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. [2025-03-04 02:38:26,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:38:26,035 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;@5e4c6b00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:38:26,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:38:26,039 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) [2025-03-04 02:38:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-04 02:38:26,047 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:38:26,048 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] [2025-03-04 02:38:26,048 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:38:26,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:38:26,053 INFO L85 PathProgramCache]: Analyzing trace with hash -769649484, now seen corresponding path program 1 times [2025-03-04 02:38:26,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:38:26,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759286459] [2025-03-04 02:38:26,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:38:26,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:39:33,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 02:39:33,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 02:39:33,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:39:33,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:39:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-03-04 02:39:34,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:39:34,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759286459] [2025-03-04 02:39:34,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759286459] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:39:34,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079695471] [2025-03-04 02:39:34,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:39:34,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:39:34,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:39:34,352 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) [2025-03-04 02:39:34,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process