./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_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 a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:54:09,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:54:09,811 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:54:09,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:54:09,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:54:09,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:54:09,840 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:54:09,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:54:09,841 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:54:09,841 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:54:09,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:54:09,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:54:09,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:54:09,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:54:09,842 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:54:09,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:54:09,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:54:09,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:54:09,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:54:09,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:54:09,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:54:09,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:54:09,843 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:54:09,843 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:54:09,844 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:54:09,844 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:54:09,844 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:54:09,844 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:54:09,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:54:09,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:54:09,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:54:09,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:54:09,844 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:54:09,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:54:09,845 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:54:09,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:54:09,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:54:09,845 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:54:09,845 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:54:09,845 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:54:09,845 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 -> a7f67f0b945b231903325b9d87712fabf07c1ed9b39f1b1898d1ef5cff9915d4 [2025-03-08 17:54:10,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:54:10,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:54:10,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:54:10,079 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:54:10,080 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:54:10,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2025-03-08 17:54:11,196 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f225ffb12/50d1ad1b5de04145a8d7ee3a2a7dd001/FLAGbb40211ed [2025-03-08 17:54:11,566 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:54:11,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be32_harness_negated.i [2025-03-08 17:54:11,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f225ffb12/50d1ad1b5de04145a8d7ee3a2a7dd001/FLAGbb40211ed [2025-03-08 17:54:11,762 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f225ffb12/50d1ad1b5de04145a8d7ee3a2a7dd001 [2025-03-08 17:54:11,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:54:11,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:54:11,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:54:11,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:54:11,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:54:11,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:54:11" (1/1) ... [2025-03-08 17:54:11,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53943fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:11, skipping insertion in model container [2025-03-08 17:54:11,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:54:11" (1/1) ... [2025-03-08 17:54:11,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:54:11,990 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_be32_harness_negated.i[4497,4510] [2025-03-08 17:54:11,996 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_be32_harness_negated.i[4557,4570] [2025-03-08 17:54:12,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,436 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,437 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,438 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,843 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:12,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:54:12,969 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:54:12,979 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_be32_harness_negated.i[4497,4510] [2025-03-08 17:54:12,983 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_be32_harness_negated.i[4557,4570] [2025-03-08 17:54:13,008 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,015 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,017 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,017 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,017 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-08 17:54:13,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:54:13,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-08 17:54:13,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:54:13,277 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:54:13,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13 WrapperNode [2025-03-08 17:54:13,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:54:13,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:54:13,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:54:13,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:54:13,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,393 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 876 [2025-03-08 17:54:13,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:54:13,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:54:13,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:54:13,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:54:13,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,469 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 8, 257, 238, 47, 4, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 5, 0, 6, 8, 0, 0]. The 497 writes are split as follows [0, 1, 257, 232, 3, 2, 2]. [2025-03-08 17:54:13,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:54:13,518 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:54:13,518 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:54:13,518 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:54:13,519 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (1/1) ... [2025-03-08 17:54:13,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:54:13,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:54:13,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:54:13,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:54:13,561 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:54:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:54:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton32 [2025-03-08 17:54:13,562 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton32 [2025-03-08 17:54:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:54:13,562 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:54:13,563 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:54:13,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:54:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:54:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:54:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:54:13,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:54:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:54:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:54:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:54:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:54:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:54:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:54:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:54:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:54:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:54:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-08 17:54:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-08 17:54:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:54:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:54:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:54:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:54:13,566 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:54:13,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:54:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-08 17:54:13,567 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:54:13,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2025-03-08 17:54:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:54:13,568 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:54:13,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:54:13,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:54:13,811 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:54:13,812 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:54:13,836 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:54:13,945 INFO L1307 $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; [2025-03-08 17:54:13,953 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3935: havoc #t~nondet243; [2025-03-08 17:54:13,957 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:54:13,963 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret657.base, #t~ret657.offset; [2025-03-08 17:54:20,722 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-08 17:54:20,723 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:54:20,723 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8559: havoc aws_byte_buf_write_be32_#t~ret1206#1;call ULTIMATE.dealloc(aws_byte_buf_write_be32_~#x#1.base, aws_byte_buf_write_be32_~#x#1.offset);havoc aws_byte_buf_write_be32_~#x#1.base, aws_byte_buf_write_be32_~#x#1.offset; [2025-03-08 17:54:20,723 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L265: havoc nondet_uint32_t_#t~nondet8#1; [2025-03-08 17:54:20,769 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2025-03-08 17:54:20,769 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:54:20,776 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:54:20,776 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:54:20,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:54:20 BoogieIcfgContainer [2025-03-08 17:54:20,777 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:54:20,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:54:20,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:54:20,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:54:20,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:54:11" (1/3) ... [2025-03-08 17:54:20,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a1d562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:54:20, skipping insertion in model container [2025-03-08 17:54:20,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:54:13" (2/3) ... [2025-03-08 17:54:20,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a1d562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:54:20, skipping insertion in model container [2025-03-08 17:54:20,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:54:20" (3/3) ... [2025-03-08 17:54:20,782 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be32_harness_negated.i [2025-03-08 17:54:20,791 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:54:20,793 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_write_be32_harness_negated.i that has 12 procedures, 135 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:54:20,831 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:54:20,841 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;@7fa37550, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:54:20,841 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:54:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 87 states have (on average 1.2183908045977012) internal successors, (106), 88 states have internal predecessors, (106), 35 states have call successors, (35), 11 states have call predecessors, (35), 11 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-08 17:54:20,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-03-08 17:54:20,853 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:54:20,853 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] [2025-03-08 17:54:20,854 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:54:20,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:54:20,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1314157148, now seen corresponding path program 1 times [2025-03-08 17:54:20,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:54:20,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586836943] [2025-03-08 17:54:20,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:54:20,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:55:22,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-08 17:55:23,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-08 17:55:23,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:55:23,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:55:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-03-08 17:55:23,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:55:23,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586836943] [2025-03-08 17:55:23,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586836943] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:55:23,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850649163] [2025-03-08 17:55:23,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:55:23,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:55:23,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:55:23,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:55:23,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process