./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 8fc3dc66 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_write_be16_harness_negated.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 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:01:31,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:01:31,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:01:31,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:01:31,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:01:31,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:01:31,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:01:31,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:01:31,121 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:01:31,121 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:01:31,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:01:31,122 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:01:31,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:01:31,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:01:31,122 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:01:31,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:01:31,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:01:31,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:01:31,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:01:31,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:01:31,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:01:31,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:01:31,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:01:31,123 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:01:31,123 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:01:31,123 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:01:31,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:01:31,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:01:31,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:01:31,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:01:31,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:01:31,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:01:31,124 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:01:31,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:01:31,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:01:31,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:01:31,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:01:31,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:01:31,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:01:31,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:01:31,125 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 -> 57a18073b2c44f50c41075cb58c545f11651aa11bf22ee68e7e7b5aa1590e494 [2025-03-17 07:01:31,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:01:31,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:01:31,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:01:31,372 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:01:31,373 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:01:31,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2025-03-17 07:01:32,477 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770b59d40/4f23f80c308a4679af65e9ff386c54f6/FLAGe96b84572 [2025-03-17 07:01:32,913 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:01:32,913 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness_negated.i [2025-03-17 07:01:33,004 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770b59d40/4f23f80c308a4679af65e9ff386c54f6/FLAGe96b84572 [2025-03-17 07:01:33,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/770b59d40/4f23f80c308a4679af65e9ff386c54f6 [2025-03-17 07:01:33,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:01:33,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:01:33,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:01:33,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:01:33,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:01:33,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:01:33" (1/1) ... [2025-03-17 07:01:33,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d2b0fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:33, skipping insertion in model container [2025-03-17 07:01:33,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:01:33" (1/1) ... [2025-03-17 07:01:33,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:01:33,335 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_write_be16_harness_negated.i[4497,4510] [2025-03-17 07:01:33,344 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_write_be16_harness_negated.i[4557,4570] [2025-03-17 07:01:33,845 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:33,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:33,846 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:33,847 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:33,847 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:33,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:33,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:33,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:33,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,257 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:01:34,357 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:01:34,370 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_write_be16_harness_negated.i[4497,4510] [2025-03-17 07:01:34,370 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_write_be16_harness_negated.i[4557,4570] [2025-03-17 07:01:34,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,408 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,414 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-17 07:01:34,548 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,548 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:01:34,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-17 07:01:34,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:01:34,726 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:01:34,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34 WrapperNode [2025-03-17 07:01:34,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:01:34,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:01:34,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:01:34,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:01:34,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,853 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2025-03-17 07:01:34,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:01:34,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:01:34,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:01:34,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:01:34,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,870 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,925 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 47, 6, 8, 4]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 8, 0, 5, 0]. The 497 writes are split as follows [0, 257, 232, 3, 2, 1, 2]. [2025-03-17 07:01:34,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,957 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:01:34,982 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:01:34,982 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:01:34,982 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:01:34,982 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (1/1) ... [2025-03-17 07:01:34,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:01:34,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:01:35,043 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) [2025-03-17 07:01:35,045 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 [2025-03-17 07:01:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:01:35,084 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:01:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:01:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:01:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:01:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:01:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:01:35,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:01:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:01:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 07:01:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 07:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:01:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:01:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:01:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:01:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:01:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:01:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:01:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:01:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 07:01:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-17 07:01:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:01:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:01:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:01:35,309 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:01:35,311 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:01:35,347 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:01:35,468 INFO L1322 $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; [2025-03-17 07:01:35,483 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:01:35,490 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-17 07:01:42,557 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 07:01:42,557 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L4041: havoc aws_hton16_#t~nondet269#1; [2025-03-17 07:01:42,557 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:01:42,557 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L264: havoc nondet_uint16_t_#t~nondet7#1; [2025-03-17 07:01:42,557 INFO L1322 $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; [2025-03-17 07:01:42,605 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2025-03-17 07:01:42,605 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:01:42,613 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:01:42,613 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:01:42,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:01:42 BoogieIcfgContainer [2025-03-17 07:01:42,614 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:01:42,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:01:42,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:01:42,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:01:42,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:01:33" (1/3) ... [2025-03-17 07:01:42,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de89dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:01:42, skipping insertion in model container [2025-03-17 07:01:42,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:01:34" (2/3) ... [2025-03-17 07:01:42,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de89dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:01:42, skipping insertion in model container [2025-03-17 07:01:42,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:01:42" (3/3) ... [2025-03-17 07:01:42,620 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness_negated.i [2025-03-17 07:01:42,632 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:01:42,633 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be16_harness_negated.i that has 11 procedures, 127 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 07:01:42,675 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:01:42,685 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;@503b06f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:01:42,686 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:01:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 81 states have (on average 1.2345679012345678) internal successors, (100), 82 states have internal predecessors, (100), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 07:01:42,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-17 07:01:42,697 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:01:42,698 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] [2025-03-17 07:01:42,698 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:01:42,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:01:42,702 INFO L85 PathProgramCache]: Analyzing trace with hash 813541936, now seen corresponding path program 1 times [2025-03-17 07:01:42,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:01:42,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106422829] [2025-03-17 07:01:42,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:01:42,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:02:56,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 07:02:56,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 07:02:56,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:02:56,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:02:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-17 07:02:57,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:02:57,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106422829] [2025-03-17 07:02:57,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106422829] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:02:57,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424680119] [2025-03-17 07:02:57,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:02:57,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:02:57,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:02:57,301 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) [2025-03-17 07:02:57,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process