./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_be64_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 67d1a487274559e4508e3940adaf209d6702fe4c4ecbf4574241f4dfc45cddf7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:43:19,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:43:19,264 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:43:19,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:43:19,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:43:19,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:43:19,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:43:19,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:43:19,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:43:19,299 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:43:19,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:43:19,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:43:19,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:43:19,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:43:19,300 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:43:19,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:43:19,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:43:19,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:43:19,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:43:19,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:43:19,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:43:19,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:43:19,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:43:19,302 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:43:19,302 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:43:19,302 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:43:19,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:43:19,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:43:19,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:43:19,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:43:19,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:43:19,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:43:19,303 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:43:19,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:43:19,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:43:19,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:43:19,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:43:19,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:43:19,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:43:19,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:43:19,304 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 -> 67d1a487274559e4508e3940adaf209d6702fe4c4ecbf4574241f4dfc45cddf7 [2025-03-04 02:43:19,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:43:19,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:43:19,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:43:19,531 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:43:19,532 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:43:19,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness_negated.i [2025-03-04 02:43:20,753 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbeadc7e9/f1c602ee73fc4324bdd5d9e4e44ac08e/FLAG3719f8f17 [2025-03-04 02:43:21,303 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:43:21,305 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness_negated.i [2025-03-04 02:43:21,344 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbeadc7e9/f1c602ee73fc4324bdd5d9e4e44ac08e/FLAG3719f8f17 [2025-03-04 02:43:21,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbeadc7e9/f1c602ee73fc4324bdd5d9e4e44ac08e [2025-03-04 02:43:21,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:43:21,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:43:21,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:43:21,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:43:21,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:43:21,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:43:21" (1/1) ... [2025-03-04 02:43:21,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73abb723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:21, skipping insertion in model container [2025-03-04 02:43:21,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:43:21" (1/1) ... [2025-03-04 02:43:21,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:43:21,629 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_be64_harness_negated.i[4497,4510] [2025-03-04 02:43:21,636 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_be64_harness_negated.i[4557,4570] [2025-03-04 02:43:22,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,214 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,216 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,226 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,228 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:43:22,815 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:43:22,827 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_be64_harness_negated.i[4497,4510] [2025-03-04 02:43:22,828 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_be64_harness_negated.i[4557,4570] [2025-03-04 02:43:22,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,876 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,877 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-04 02:43:22,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:43:22,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-04 02:43:22,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:43:23,145 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:43:23,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23 WrapperNode [2025-03-04 02:43:23,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:43:23,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:43:23,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:43:23,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:43:23,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,279 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 871 [2025-03-04 02:43:23,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:43:23,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:43:23,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:43:23,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:43:23,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,357 INFO L175 MemorySlicer]: Split 564 memory accesses to 8 slices as follows [257, 2, 238, 2, 8, 6, 4, 47]. 46 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [0, 2, 6, 1, 5, 0, 0, 8]. The 497 writes are split as follows [257, 0, 232, 0, 1, 2, 2, 3]. [2025-03-04 02:43:23,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,392 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:43:23,428 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:43:23,429 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:43:23,429 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:43:23,429 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (1/1) ... [2025-03-04 02:43:23,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:43:23,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:43:23,455 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) [2025-03-04 02:43:23,458 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 [2025-03-04 02:43:23,477 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2025-03-04 02:43:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2025-03-04 02:43:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:43:23,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:43:23,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:43:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:43:23,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:43:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:43:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:43:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:43:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:43:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:43:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:43:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:43:23,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:43:23,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:43:23,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:43:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:43:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:43:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:43:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:43:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:43:23,481 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-04 02:43:23,481 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:43:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:43:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:43:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:43:23,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:43:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-04 02:43:23,484 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-04 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-04 02:43:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:43:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:43:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2025-03-04 02:43:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:43:23,767 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:43:23,776 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:43:23,844 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:43:23,869 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:43:23,944 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3917: havoc #t~nondet239;havoc #t~nondet240;havoc #t~bitwise241; [2025-03-04 02:43:24,016 INFO L1325 $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; [2025-03-04 02:43:24,026 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:43:24,035 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3898: havoc #t~mem237;call ULTIMATE.dealloc(~#z~0.base, ~#z~0.offset);havoc ~#z~0.base, ~#z~0.offset; [2025-03-04 02:43:24,039 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-04 02:43:31,026 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:43:31,026 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:43:31,026 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8573: havoc aws_byte_buf_write_be64_#t~ret1214#1;call ULTIMATE.dealloc(aws_byte_buf_write_be64_~#x#1.base, aws_byte_buf_write_be64_~#x#1.offset);havoc aws_byte_buf_write_be64_~#x#1.base, aws_byte_buf_write_be64_~#x#1.offset; [2025-03-04 02:43:31,076 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2025-03-04 02:43:31,076 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:43:31,093 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:43:31,094 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:43:31,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:31 BoogieIcfgContainer [2025-03-04 02:43:31,095 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:43:31,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:43:31,097 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:43:31,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:43:31,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:43:21" (1/3) ... [2025-03-04 02:43:31,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faf1186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:31, skipping insertion in model container [2025-03-04 02:43:31,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:43:23" (2/3) ... [2025-03-04 02:43:31,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faf1186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:43:31, skipping insertion in model container [2025-03-04 02:43:31,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:43:31" (3/3) ... [2025-03-04 02:43:31,102 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness_negated.i [2025-03-04 02:43:31,113 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:43:31,116 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be64_harness_negated.i that has 14 procedures, 149 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:43:31,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:43:31,166 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;@2ecbeeb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:43:31,166 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:43:31,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 97 states have (on average 1.2268041237113403) internal successors, (119), 98 states have internal predecessors, (119), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-03-04 02:43:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-04 02:43:31,180 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:43:31,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:43:31,180 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:43:31,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:43:31,184 INFO L85 PathProgramCache]: Analyzing trace with hash 151821810, now seen corresponding path program 1 times [2025-03-04 02:43:31,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:43:31,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785785416] [2025-03-04 02:43:31,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:31,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:44:45,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-04 02:44:46,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-04 02:44:46,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:44:46,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:44:47,131 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-04 02:44:47,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:44:47,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785785416] [2025-03-04 02:44:47,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785785416] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:44:47,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017306639] [2025-03-04 02:44:47,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:44:47,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:44:47,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:44:47,135 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) [2025-03-04 02:44:47,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process