./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:59:20,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:59:20,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:59:20,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:59:20,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:59:20,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:59:20,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:59:20,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:59:20,181 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:59:20,181 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:59:20,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:59:20,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:59:20,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:59:20,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:59:20,182 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:59:20,184 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:59:20,184 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:59:20,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:59:20,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:59:20,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:59:20,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:20,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:59:20,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:59:20,185 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:59:20,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:59:20,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:59:20,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:59:20,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:59:20,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:59:20,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:59:20,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:59:20,186 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 [2025-02-06 04:59:20,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:59:20,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:59:20,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:59:20,487 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:59:20,487 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:59:20,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2025-02-06 04:59:21,831 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e5bc04e1b/c95d7dc8e5ea4ec48d9387de7f32a84e/FLAGcec08c1cb [2025-02-06 04:59:22,446 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:59:22,449 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2025-02-06 04:59:22,500 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e5bc04e1b/c95d7dc8e5ea4ec48d9387de7f32a84e/FLAGcec08c1cb [2025-02-06 04:59:22,887 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e5bc04e1b/c95d7dc8e5ea4ec48d9387de7f32a84e [2025-02-06 04:59:22,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:59:22,891 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:59:22,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:22,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:59:22,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:59:22,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:22" (1/1) ... [2025-02-06 04:59:22,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36402bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:22, skipping insertion in model container [2025-02-06 04:59:22,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:59:22" (1/1) ... [2025-02-06 04:59:22,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:59:23,295 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i[4492,4505] [2025-02-06 04:59:23,304 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i[4552,4565] [2025-02-06 04:59:23,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:23,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:23,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:23,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:23,879 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:23,890 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:23,891 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:23,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:23,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,358 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:24,490 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:59:24,505 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i[4492,4505] [2025-02-06 04:59:24,510 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i[4552,4565] [2025-02-06 04:59:24,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-02-06 04:59:24,757 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:59:24,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-02-06 04:59:24,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:59:25,007 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:59:25,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25 WrapperNode [2025-02-06 04:59:25,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:59:25,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:25,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:59:25,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:59:25,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,164 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2025-02-06 04:59:25,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:59:25,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:59:25,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:59:25,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:59:25,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,241 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [2, 257, 31, 238, 7, 7]. 47 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 4, 6, 5, 4]. The 494 writes are split as follows [0, 257, 4, 232, 1, 0]. [2025-02-06 04:59:25,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,289 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:59:25,328 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:59:25,328 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:59:25,329 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:59:25,329 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (1/1) ... [2025-02-06 04:59:25,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:59:25,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:59:25,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 04:59:25,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 04:59:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:59:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:59:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:59:25,386 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:59:25,386 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:59:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-02-06 04:59:25,387 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:59:25,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:59:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:59:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:59:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:59:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:59:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2025-02-06 04:59:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:59:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-06 04:59:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-06 04:59:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:59:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:59:25,700 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:59:25,703 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:59:25,735 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:59:25,769 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:59:25,778 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2025-02-06 04:59:25,828 INFO L1309 $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; [2025-02-06 04:59:25,839 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:59:33,145 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-06 04:59:33,188 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-02-06 04:59:33,188 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:59:33,200 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:59:33,202 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:59:33,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:59:33 BoogieIcfgContainer [2025-02-06 04:59:33,202 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:59:33,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:59:33,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:59:33,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:59:33,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:59:22" (1/3) ... [2025-02-06 04:59:33,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4105a5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:59:33, skipping insertion in model container [2025-02-06 04:59:33,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:59:25" (2/3) ... [2025-02-06 04:59:33,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4105a5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:59:33, skipping insertion in model container [2025-02-06 04:59:33,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:59:33" (3/3) ... [2025-02-06 04:59:33,212 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness.i [2025-02-06 04:59:33,223 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:59:33,224 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. [2025-02-06 04:59:33,275 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:59:33,284 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;@28f9eef6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:59:33,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:59:33,289 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) [2025-02-06 04:59:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 04:59:33,298 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:59:33,299 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] [2025-02-06 04:59:33,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:59:33,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:59:33,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1195299708, now seen corresponding path program 1 times [2025-02-06 04:59:33,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:59:33,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867071957] [2025-02-06 04:59:33,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:59:33,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:00:43,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 05:00:44,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 05:00:44,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:00:44,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:00:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 05:00:45,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:00:45,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867071957] [2025-02-06 05:00:45,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867071957] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:00:45,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333002823] [2025-02-06 05:00:45,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:00:45,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:00:45,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:00:45,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:00:45,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process