./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.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_eq_harness.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 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:58:02,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:58:02,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:58:02,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:58:02,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:58:02,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:58:02,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:58:02,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:58:02,552 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:58:02,552 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:58:02,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:58:02,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:58:02,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:58:02,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:58:02,553 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:58:02,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:58:02,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:58:02,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:58:02,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:58:02,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:58:02,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:58:02,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:58:02,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:58:02,554 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:58:02,555 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:58:02,555 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:58:02,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:58:02,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:58:02,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:58:02,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:58:02,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:58:02,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:58:02,555 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:58:02,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:58:02,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:58:02,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:58:02,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:58:02,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:58:02,556 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:58:02,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:58:02,556 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 -> 5ab09f6d00b35855a638bb480b97a9e37405f3b4b54804a74b9b206823c7f543 [2025-03-17 06:58:02,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:58:02,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:58:02,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:58:02,794 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:58:02,794 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:58:02,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2025-03-17 06:58:03,924 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed196f49f/7ce3e036c387467abca44214cf7ad60f/FLAGc5f8c2bef [2025-03-17 06:58:04,406 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:58:04,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness.i [2025-03-17 06:58:04,446 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed196f49f/7ce3e036c387467abca44214cf7ad60f/FLAGc5f8c2bef [2025-03-17 06:58:04,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed196f49f/7ce3e036c387467abca44214cf7ad60f [2025-03-17 06:58:04,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:58:04,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:58:04,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:58:04,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:58:04,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:58:04,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:58:04" (1/1) ... [2025-03-17 06:58:04,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef6f18c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:04, skipping insertion in model container [2025-03-17 06:58:04,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:58:04" (1/1) ... [2025-03-17 06:58:04,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:58:04,714 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_eq_harness.i[4489,4502] [2025-03-17 06:58:04,720 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_eq_harness.i[4549,4562] [2025-03-17 06:58:05,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,153 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,162 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,163 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,164 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:58:05,695 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:58:05,704 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_eq_harness.i[4489,4502] [2025-03-17 06:58:05,704 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_eq_harness.i[4549,4562] [2025-03-17 06:58:05,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,748 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-17 06:58:05,905 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,906 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:58:05,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-17 06:58:05,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:58:06,086 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:58:06,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06 WrapperNode [2025-03-17 06:58:06,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:58:06,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:58:06,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:58:06,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:58:06,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,205 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2025-03-17 06:58:06,206 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:58:06,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:58:06,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:58:06,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:58:06,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,223 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,280 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 238, 9, 66, 6]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 5, 16, 0]. The 497 writes are split as follows [0, 257, 232, 0, 6, 2]. [2025-03-17 06:58:06,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,313 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:58:06,344 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:58:06,344 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:58:06,344 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:58:06,345 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (1/1) ... [2025-03-17 06:58:06,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:58:06,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:58:06,371 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 06:58:06,373 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 06:58:06,392 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 06:58:06,393 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 06:58:06,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:58:06,393 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:58:06,393 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:58:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:58:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:58:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:58:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:58:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:58:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 06:58:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:58:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:58:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-17 06:58:06,396 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:58:06,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:58:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:58:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 06:58:06,397 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-17 06:58:06,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:58:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:58:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 06:58:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:58:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-17 06:58:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:58:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 06:58:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-17 06:58:06,398 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-17 06:58:06,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-17 06:58:06,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:58:06,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 06:58:06,651 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:58:06,653 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:58:06,697 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 06:58:06,731 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 06:58:06,748 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 06:58:06,777 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-03-17 06:58:06,818 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2025-03-17 06:58:06,832 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:58:06,837 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-03-17 06:58:13,810 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2025-03-17 06:58:13,811 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 06:58:13,818 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 06:58:13,818 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 06:58:13,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:58:13 BoogieIcfgContainer [2025-03-17 06:58:13,819 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 06:58:13,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 06:58:13,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 06:58:13,824 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 06:58:13,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:58:04" (1/3) ... [2025-03-17 06:58:13,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e536fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:58:13, skipping insertion in model container [2025-03-17 06:58:13,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:58:06" (2/3) ... [2025-03-17 06:58:13,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e536fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:58:13, skipping insertion in model container [2025-03-17 06:58:13,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:58:13" (3/3) ... [2025-03-17 06:58:13,826 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness.i [2025-03-17 06:58:13,836 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 06:58:13,837 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_harness.i that has 14 procedures, 149 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 06:58:13,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 06:58:13,889 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;@276d1a01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 06:58:13,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 06:58:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 88 states have (on average 1.2386363636363635) internal successors, (109), 89 states have internal predecessors, (109), 46 states have call successors, (46), 13 states have call predecessors, (46), 13 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 06:58:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 06:58:13,904 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:58:13,904 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 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] [2025-03-17 06:58:13,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:58:13,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:58:13,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1582347672, now seen corresponding path program 1 times [2025-03-17 06:58:13,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:58:13,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298509748] [2025-03-17 06:58:13,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:58:13,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:59:23,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 06:59:23,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 06:59:23,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:59:23,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:59:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-03-17 06:59:24,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:59:24,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298509748] [2025-03-17 06:59:24,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298509748] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:59:24,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513259410] [2025-03-17 06:59:24,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:59:24,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 06:59:24,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:59:24,520 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 06:59:24,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process