./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_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_cursor_eq_byte_buf_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 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:04:10,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:04:10,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:04:10,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:04:10,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:04:10,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:04:10,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:04:10,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:04:10,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:04:10,329 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:04:10,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:04:10,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:04:10,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:04:10,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:04:10,330 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:04:10,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:04:10,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:04:10,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:04:10,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:04:10,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:04:10,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:04:10,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:04:10,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:04:10,331 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:04:10,331 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:04:10,332 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:04:10,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:04:10,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:04:10,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:04:10,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:04:10,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:04:10,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:04:10,333 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:04:10,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:04:10,333 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:04:10,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:04:10,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:04:10,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:04:10,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:04:10,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:04:10,333 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 -> 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 [2025-03-17 07:04:10,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:04:10,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:04:10,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:04:10,597 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:04:10,597 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:04:10,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-03-17 07:04:11,748 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7446ab2/ebe4762a71894e0abf8cb6dc93a0e5cf/FLAGa1456e17f [2025-03-17 07:04:12,299 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:04:12,300 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-03-17 07:04:12,329 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7446ab2/ebe4762a71894e0abf8cb6dc93a0e5cf/FLAGa1456e17f [2025-03-17 07:04:12,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7446ab2/ebe4762a71894e0abf8cb6dc93a0e5cf [2025-03-17 07:04:12,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:04:12,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:04:12,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:04:12,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:04:12,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:04:12,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:04:12" (1/1) ... [2025-03-17 07:04:12,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6755a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:12, skipping insertion in model container [2025-03-17 07:04:12,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:04:12" (1/1) ... [2025-03-17 07:04:12,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:04:12,652 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_cursor_eq_byte_buf_harness.i[4501,4514] [2025-03-17 07:04:12,665 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_cursor_eq_byte_buf_harness.i[4561,4574] [2025-03-17 07:04:13,262 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,263 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,275 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,276 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,277 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,277 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:04:13,935 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:04:13,946 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_cursor_eq_byte_buf_harness.i[4501,4514] [2025-03-17 07:04:13,947 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_cursor_eq_byte_buf_harness.i[4561,4574] [2025-03-17 07:04:13,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,986 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,987 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:13,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:14,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-17 07:04:14,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:14,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:14,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-17 07:04:14,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:04:14,312 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:04:14,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14 WrapperNode [2025-03-17 07:04:14,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:04:14,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:04:14,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:04:14,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:04:14,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,473 INFO L138 Inliner]: procedures = 680, calls = 2651, calls flagged for inlining = 65, calls inlined = 11, statements flattened = 947 [2025-03-17 07:04:14,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:04:14,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:04:14,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:04:14,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:04:14,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,489 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,553 INFO L175 MemorySlicer]: Split 572 memory accesses to 7 slices as follows [257, 2, 238, 6, 9, 22, 38]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [0, 2, 6, 0, 5, 2, 8]. The 494 writes are split as follows [257, 0, 232, 2, 0, 1, 2]. [2025-03-17 07:04:14,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,594 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:04:14,639 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:04:14,639 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:04:14,639 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:04:14,640 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (1/1) ... [2025-03-17 07:04:14,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:04:14,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:04:14,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:04:14,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:04:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:04:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:04:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:04:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:04:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:04:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:04:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:04:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:04:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:04:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:04:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:04:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:04:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-17 07:04:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:04:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:04:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:04:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:04:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:04:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-17 07:04:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:04:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:04:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:04:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:04:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:04:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:04:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:04:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:04:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:04:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:04:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:04:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:04:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:04:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:04:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:04:14,953 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:04:14,955 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:04:14,999 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:04:15,034 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:04:15,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:04:15,074 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-03-17 07:04:15,106 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 07:04:15,125 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:04:15,164 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-03-17 07:04:22,194 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-03-17 07:04:22,194 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 07:04:22,341 INFO L? ?]: Removed 139 outVars from TransFormulas that were not future-live. [2025-03-17 07:04:22,342 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:04:22,354 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:04:22,356 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:04:22,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:22 BoogieIcfgContainer [2025-03-17 07:04:22,357 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:04:22,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:04:22,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:04:22,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:04:22,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:04:12" (1/3) ... [2025-03-17 07:04:22,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d15ea81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:22, skipping insertion in model container [2025-03-17 07:04:22,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:14" (2/3) ... [2025-03-17 07:04:22,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d15ea81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:22, skipping insertion in model container [2025-03-17 07:04:22,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:22" (3/3) ... [2025-03-17 07:04:22,368 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_byte_buf_harness.i [2025-03-17 07:04:22,384 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:04:22,386 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_byte_buf_harness.i that has 12 procedures, 155 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:04:22,440 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:04:22,452 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;@513be54f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:04:22,452 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:04:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 100 states have (on average 1.27) internal successors, (127), 101 states have internal predecessors, (127), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-17 07:04:22,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-17 07:04:22,466 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:04:22,467 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1] [2025-03-17 07:04:22,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:04:22,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:04:22,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1724377534, now seen corresponding path program 1 times [2025-03-17 07:04:22,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:04:22,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117973963] [2025-03-17 07:04:22,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:04:22,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:05:31,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-17 07:05:32,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-17 07:05:32,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:05:32,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:05:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-03-17 07:05:32,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:05:32,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117973963] [2025-03-17 07:05:32,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117973963] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:05:32,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682005833] [2025-03-17 07:05:32,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:05:32,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:05:32,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:05:32,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:05:32,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process