./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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_write_be16_harness_negated.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 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:36:25,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:36:25,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:36:25,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:36:25,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:36:25,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:36:25,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:36:25,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:36:25,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:36:25,205 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:36:25,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:36:25,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:36:25,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:36:25,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:36:25,206 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:36:25,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:36:25,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:36:25,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:36:25,206 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:36:25,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:36:25,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:36:25,207 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:36:25,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:36:25,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:36:25,207 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 -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2025-02-08 01:36:25,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:36:25,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:36:25,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:36:25,448 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:36:25,448 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:36:25,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2025-02-08 01:36:26,628 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/437d392b7/85a91ad922a845deaa5863a405e09793/FLAG49844c256 [2025-02-08 01:36:27,021 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:36:27,021 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2025-02-08 01:36:27,050 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/437d392b7/85a91ad922a845deaa5863a405e09793/FLAG49844c256 [2025-02-08 01:36:27,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/437d392b7/85a91ad922a845deaa5863a405e09793 [2025-02-08 01:36:27,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:36:27,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:36:27,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:36:27,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:36:27,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:36:27,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:36:27" (1/1) ... [2025-02-08 01:36:27,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c921a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:27, skipping insertion in model container [2025-02-08 01:36:27,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:36:27" (1/1) ... [2025-02-08 01:36:27,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:36:27,300 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_write_be16_harness_negated.i[4497,4510] [2025-02-08 01:36:27,306 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_write_be16_harness_negated.i[4557,4570] [2025-02-08 01:36:27,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,802 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,802 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:27,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,221 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,222 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:36:28,332 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:36:28,343 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_write_be16_harness_negated.i[4497,4510] [2025-02-08 01:36:28,344 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_write_be16_harness_negated.i[4557,4570] [2025-02-08 01:36:28,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,379 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,380 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,382 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,382 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,474 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-02-08 01:36:28,475 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:36:28,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-02-08 01:36:28,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:36:28,663 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:36:28,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28 WrapperNode [2025-02-08 01:36:28,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:36:28,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:36:28,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:36:28,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:36:28,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,786 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2025-02-08 01:36:28,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:36:28,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:36:28,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:36:28,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:36:28,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,799 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,860 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 6, 8, 47, 4]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 5, 8, 0]. The 497 writes are split as follows [0, 257, 232, 2, 1, 3, 2]. [2025-02-08 01:36:28,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,891 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:36:28,916 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:36:28,916 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:36:28,916 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:36:28,917 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (1/1) ... [2025-02-08 01:36:28,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:36:28,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:36:28,942 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) [2025-02-08 01:36:28,945 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 [2025-02-08 01:36:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:36:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:36:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:36:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:36:28,963 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:36:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:36:28,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:36:28,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:36:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:36:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:36:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:36:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-02-08 01:36:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-02-08 01:36:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:36:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:36:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:36:28,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:36:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:36:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:36:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-02-08 01:36:28,966 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-02-08 01:36:28,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-02-08 01:36:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:36:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:36:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:36:28,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:36:29,237 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:36:29,238 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:36:29,283 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:36:29,400 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2025-02-08 01:36:29,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:36:29,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-02-08 01:36:36,515 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:36:36,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125-1: SUMMARY for call assume_abort_if_not((if 0 == (if save_byte_from_array_#t~mem603#1 % 18446744073709551616 < save_byte_from_array_~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:36:36,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7125: havoc save_byte_from_array_#t~mem603#1;call save_byte_from_array_#t~mem604#1 := read~int#3(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);call save_byte_from_array_#t~mem605#1 := read~int#4(save_byte_from_array_~array#1.base, save_byte_from_array_~array#1.offset + (if save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 else save_byte_from_array_#t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#3(save_byte_from_array_#t~mem605#1, save_byte_from_array_~storage#1.base, 8 + save_byte_from_array_~storage#1.offset, 1);havoc save_byte_from_array_#t~mem604#1;havoc save_byte_from_array_#t~mem605#1; [2025-02-08 01:36:36,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: havoc aws_hton16_#t~nondet269#1; [2025-02-08 01:36:36,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;save_byte_from_array_#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#3(save_byte_from_array_#t~ret602#1, save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8);havoc save_byte_from_array_#t~ret602#1;call save_byte_from_array_#t~mem603#1 := read~int#3(save_byte_from_array_~storage#1.base, save_byte_from_array_~storage#1.offset, 8); [2025-02-08 01:36:36,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc nondet_uint16_t_#t~nondet7#1; [2025-02-08 01:36:36,516 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L8552: havoc aws_byte_buf_write_be16_#t~ret1202#1;call ULTIMATE.dealloc(aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset);havoc aws_byte_buf_write_be16_~#x#1.base, aws_byte_buf_write_be16_~#x#1.offset; [2025-02-08 01:36:36,573 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2025-02-08 01:36:36,573 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:36:36,584 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:36:36,584 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:36:36,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:36:36 BoogieIcfgContainer [2025-02-08 01:36:36,584 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:36:36,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:36:36,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:36:36,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:36:36,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:36:27" (1/3) ... [2025-02-08 01:36:36,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3faafca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:36:36, skipping insertion in model container [2025-02-08 01:36:36,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:36:28" (2/3) ... [2025-02-08 01:36:36,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3faafca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:36:36, skipping insertion in model container [2025-02-08 01:36:36,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:36:36" (3/3) ... [2025-02-08 01:36:36,592 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2025-02-08 01:36:36,604 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:36:36,606 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be16_harness_negated.i that has 11 procedures, 126 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:36:36,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:36:36,660 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;@22066d08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:36:36,661 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:36:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 79 states have (on average 1.240506329113924) internal successors, (98), 82 states have internal predecessors, (98), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 01:36:36,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 01:36:36,672 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:36:36,673 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:36:36,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:36:36,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:36:36,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1302028043, now seen corresponding path program 1 times [2025-02-08 01:36:36,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:36:36,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969929548] [2025-02-08 01:36:36,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:36:36,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:37:49,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 01:37:49,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 01:37:49,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:37:49,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:37:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-02-08 01:37:50,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:37:50,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969929548] [2025-02-08 01:37:50,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969929548] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:37:50,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601940714] [2025-02-08 01:37:50,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:37:50,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:37:50,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:37:50,581 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) [2025-02-08 01:37:50,583 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