./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_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_secure_zero_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 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:53:14,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:53:14,555 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:53:14,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:53:14,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:53:14,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:53:14,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:53:14,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:53:14,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:53:14,582 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:53:14,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:53:14,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:53:14,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:53:14,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:53:14,585 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:53:14,585 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:53:14,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:53:14,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:53:14,586 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 -> 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 [2025-03-08 17:53:14,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:53:14,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:53:14,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:53:14,788 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:53:14,789 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:53:14,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2025-03-08 17:53:15,893 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b0b42207/34f97c075a9c4ea3a8451044d29497ab/FLAG4963f4383 [2025-03-08 17:53:16,310 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:53:16,313 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2025-03-08 17:53:16,344 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b0b42207/34f97c075a9c4ea3a8451044d29497ab/FLAG4963f4383 [2025-03-08 17:53:16,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b0b42207/34f97c075a9c4ea3a8451044d29497ab [2025-03-08 17:53:16,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:53:16,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:53:16,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:53:16,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:53:16,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:53:16,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:53:16" (1/1) ... [2025-03-08 17:53:16,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e03288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:16, skipping insertion in model container [2025-03-08 17:53:16,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:53:16" (1/1) ... [2025-03-08 17:53:16,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:53:16,598 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_secure_zero_harness.i[4498,4511] [2025-03-08 17:53:16,605 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_secure_zero_harness.i[4558,4571] [2025-03-08 17:53:17,038 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:53:17,521 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:53:17,534 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_secure_zero_harness.i[4498,4511] [2025-03-08 17:53:17,534 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_secure_zero_harness.i[4558,4571] [2025-03-08 17:53:17,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,576 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,577 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,579 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,580 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-08 17:53:17,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:53:17,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-08 17:53:17,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:53:17,877 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:53:17,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17 WrapperNode [2025-03-08 17:53:17,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:53:17,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:53:17,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:53:17,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:53:17,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:17,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:17,999 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2025-03-08 17:53:18,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:53:18,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:53:18,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:53:18,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:53:18,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,013 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,062 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 257, 238, 23, 7]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 3, 1]. [2025-03-08 17:53:18,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,090 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:53:18,117 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:53:18,117 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:53:18,117 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:53:18,120 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (1/1) ... [2025-03-08 17:53:18,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:53:18,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:53:18,148 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 17:53:18,150 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 17:53:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:53:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:53:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:53:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:53:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:53:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:53:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:53:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:53:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:53:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:53:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:53:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:53:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:53:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:53:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-08 17:53:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:53:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:53:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:53:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:53:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:53:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:53:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:53:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:53:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:53:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:53:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:53:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:53:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-08 17:53:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-08 17:53:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:53:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:53:18,359 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:53:18,361 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:53:18,393 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:53:18,396 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:53:18,404 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2025-03-08 17:53:18,442 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-03-08 17:53:18,461 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:53:25,012 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:53:25,047 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2025-03-08 17:53:25,047 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:53:25,053 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:53:25,053 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:53:25,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:53:25 BoogieIcfgContainer [2025-03-08 17:53:25,053 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:53:25,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:53:25,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:53:25,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:53:25,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:53:16" (1/3) ... [2025-03-08 17:53:25,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb8830e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:53:25, skipping insertion in model container [2025-03-08 17:53:25,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:53:17" (2/3) ... [2025-03-08 17:53:25,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb8830e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:53:25, skipping insertion in model container [2025-03-08 17:53:25,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:53:25" (3/3) ... [2025-03-08 17:53:25,059 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness.i [2025-03-08 17:53:25,068 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:53:25,069 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_secure_zero_harness.i that has 11 procedures, 102 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:53:25,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:53:25,107 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;@67d66658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:53:25,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:53:25,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 70 states have internal predecessors, (84), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-08 17:53:25,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-08 17:53:25,116 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:53:25,116 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 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 17:53:25,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:53:25,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:53:25,120 INFO L85 PathProgramCache]: Analyzing trace with hash -80615876, now seen corresponding path program 1 times [2025-03-08 17:53:25,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:53:25,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473947243] [2025-03-08 17:53:25,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:53:25,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:54:32,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-08 17:54:33,073 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-08 17:54:33,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:54:33,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:54:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2025-03-08 17:54:33,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:54:33,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473947243] [2025-03-08 17:54:33,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473947243] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:54:33,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644842092] [2025-03-08 17:54:33,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:54:33,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:54:33,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:54:33,714 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 17:54:33,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process