./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_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_reset_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 cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:52:52,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:52:52,174 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:52:52,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:52:52,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:52:52,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:52:52,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:52:52,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:52:52,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:52:52,205 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:52:52,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:52:52,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:52:52,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:52:52,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:52:52,207 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:52:52,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:52:52,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:52:52,208 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:52:52,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:52,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:52:52,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:52:52,209 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:52:52,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:52:52,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:52:52,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:52:52,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:52:52,209 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:52:52,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:52:52,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:52:52,210 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 -> cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 [2025-03-08 17:52:52,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:52:52,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:52:52,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:52:52,483 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:52:52,483 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:52:52,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2025-03-08 17:52:53,676 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1dc2d19/2456a3077b814284b6d8e6f69fcee037/FLAG4669f9c76 [2025-03-08 17:52:54,129 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:52:54,129 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2025-03-08 17:52:54,154 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1dc2d19/2456a3077b814284b6d8e6f69fcee037/FLAG4669f9c76 [2025-03-08 17:52:54,248 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e1dc2d19/2456a3077b814284b6d8e6f69fcee037 [2025-03-08 17:52:54,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:52:54,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:52:54,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:54,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:52:54,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:52:54,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:54" (1/1) ... [2025-03-08 17:52:54,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642b2fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:54, skipping insertion in model container [2025-03-08 17:52:54,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:52:54" (1/1) ... [2025-03-08 17:52:54,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:52:54,540 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_reset_harness.i[4492,4505] [2025-03-08 17:52:54,547 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_reset_harness.i[4552,4565] [2025-03-08 17:52:55,025 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,049 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,050 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,485 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:55,609 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:52:55,622 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_reset_harness.i[4492,4505] [2025-03-08 17:52:55,623 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_reset_harness.i[4552,4565] [2025-03-08 17:52:55,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-08 17:52:55,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:52:55,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-08 17:52:55,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:52:55,965 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:52:55,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55 WrapperNode [2025-03-08 17:52:55,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:52:55,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:55,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:52:55,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:52:55,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,095 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2025-03-08 17:52:56,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:52:56,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:52:56,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:52:56,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:52:56,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,115 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,172 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [2, 257, 238, 31, 7, 7]. 47 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 4, 4, 5]. The 494 writes are split as follows [0, 257, 232, 4, 0, 1]. [2025-03-08 17:52:56,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,178 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,201 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:52:56,221 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:52:56,221 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:52:56,221 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:52:56,226 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (1/1) ... [2025-03-08 17:52:56,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:52:56,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:52:56,253 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 17:52:56,257 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 17:52:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:52:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:52:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:52:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:52:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:52:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:52:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-08 17:52:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:52:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:52:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:52:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:52:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:52:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:52:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:52:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2025-03-08 17:52:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 17:52:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-08 17:52:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-08 17:52:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:52:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:52:56,557 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:52:56,559 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:52:56,594 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:52:56,609 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 17:52:56,613 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2025-03-08 17:52:56,664 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 17:52:56,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:53:03,341 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:53:03,373 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-03-08 17:53:03,373 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:53:03,380 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:53:03,380 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:53:03,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:53:03 BoogieIcfgContainer [2025-03-08 17:53:03,381 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:53:03,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:53:03,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:53:03,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:53:03,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:52:54" (1/3) ... [2025-03-08 17:53:03,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab4c7f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:53:03, skipping insertion in model container [2025-03-08 17:53:03,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:52:55" (2/3) ... [2025-03-08 17:53:03,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab4c7f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:53:03, skipping insertion in model container [2025-03-08 17:53:03,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:53:03" (3/3) ... [2025-03-08 17:53:03,388 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness.i [2025-03-08 17:53:03,399 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:53:03,400 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reset_harness.i that has 12 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:53:03,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:53:03,439 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;@77ecc724, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:53:03,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:53:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 79 states have internal predecessors, (94), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-08 17:53:03,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-08 17:53:03,446 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:53:03,446 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-08 17:53:03,446 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:53:03,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:53:03,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1195299708, now seen corresponding path program 1 times [2025-03-08 17:53:03,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:53:03,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672765094] [2025-03-08 17:53:03,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:53:03,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:54:10,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-08 17:54:10,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-08 17:54:10,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:54:10,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:54:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-08 17:54:11,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:54:11,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672765094] [2025-03-08 17:54:11,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672765094] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:54:11,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928423222] [2025-03-08 17:54:11,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:54:11,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:54:11,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:54:11,231 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 17:54:11,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process