./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 04:56:12,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 04:56:12,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 04:56:12,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 04:56:12,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 04:56:12,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 04:56:12,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 04:56:12,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 04:56:12,282 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 04:56:12,282 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 04:56:12,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 04:56:12,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 04:56:12,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 04:56:12,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 04:56:12,283 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 04:56:12,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 04:56:12,283 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 04:56:12,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 04:56:12,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 04:56:12,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 04:56:12,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 04:56:12,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 04:56:12,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 04:56:12,283 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 04:56:12,284 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 04:56:12,284 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 04:56:12,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 04:56:12,284 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 04:56:12,284 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 04:56:12,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:56:12,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 04:56:12,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 04:56:12,284 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 04:56:12,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 04:56:12,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 04:56:12,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 04:56:12,285 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 04:56:12,285 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 04:56:12,285 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 04:56:12,285 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 04:56:12,285 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-jdk21/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 -> 97f1929f60deed797b33f238413f59b0edc96867527757b3538e00bc90721005 [2025-02-06 04:56:12,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 04:56:12,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 04:56:12,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 04:56:12,518 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 04:56:12,519 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 04:56:12,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2025-02-06 04:56:13,694 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37aa85806/a976b70625c042c4a0d8e9f35582352a/FLAG66a1002fd [2025-02-06 04:56:14,210 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 04:56:14,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i [2025-02-06 04:56:14,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37aa85806/a976b70625c042c4a0d8e9f35582352a/FLAG66a1002fd [2025-02-06 04:56:14,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37aa85806/a976b70625c042c4a0d8e9f35582352a [2025-02-06 04:56:14,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 04:56:14,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 04:56:14,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 04:56:14,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 04:56:14,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 04:56:14,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:56:14" (1/1) ... [2025-02-06 04:56:14,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@887b9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:14, skipping insertion in model container [2025-02-06 04:56:14,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 04:56:14" (1/1) ... [2025-02-06 04:56:14,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 04:56:15,076 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4489,4502] [2025-02-06 04:56:15,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4549,4562] [2025-02-06 04:56:15,609 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:15,610 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:15,610 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:15,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:15,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:15,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:15,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:15,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:15,631 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,041 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:56:16,120 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 04:56:16,129 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4489,4502] [2025-02-06 04:56:16,130 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_harness_negated.i[4549,4562] [2025-02-06 04:56:16,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,162 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,162 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,163 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,163 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-02-06 04:56:16,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,303 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 04:56:16,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-02-06 04:56:16,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 04:56:16,512 INFO L204 MainTranslator]: Completed translation [2025-02-06 04:56:16,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16 WrapperNode [2025-02-06 04:56:16,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 04:56:16,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 04:56:16,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 04:56:16,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 04:56:16,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,607 INFO L138 Inliner]: procedures = 680, calls = 2668, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 902 [2025-02-06 04:56:16,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 04:56:16,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 04:56:16,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 04:56:16,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 04:56:16,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,679 INFO L175 MemorySlicer]: Split 578 memory accesses to 6 slices as follows [2, 257, 238, 66, 9, 6]. 44 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 16, 5, 0]. The 497 writes are split as follows [0, 257, 232, 6, 0, 2]. [2025-02-06 04:56:16,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,721 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 04:56:16,783 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 04:56:16,784 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 04:56:16,784 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 04:56:16,784 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (1/1) ... [2025-02-06 04:56:16,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 04:56:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:56:16,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 04:56:16,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 04:56:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-06 04:56:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-06 04:56:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 04:56:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 04:56:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 04:56:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 04:56:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 04:56:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 04:56:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 04:56:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 04:56:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 04:56:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 04:56:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 04:56:16,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 04:56:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-06 04:56:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 04:56:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 04:56:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-06 04:56:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-02-06 04:56:16,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 04:56:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 04:56:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-06 04:56:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 04:56:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-06 04:56:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 04:56:16,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 04:56:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 04:56:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-02-06 04:56:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-02-06 04:56:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 04:56:16,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 04:56:17,066 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 04:56:17,068 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 04:56:17,092 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 04:56:17,114 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-02-06 04:56:17,124 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 04:56:17,146 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7695: havoc #t~nondet818; [2025-02-06 04:56:17,191 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7353: 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; [2025-02-06 04:56:17,206 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 04:56:17,212 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem477; [2025-02-06 04:56:24,163 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2025-02-06 04:56:24,164 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 04:56:24,171 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 04:56:24,172 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 04:56:24,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:56:24 BoogieIcfgContainer [2025-02-06 04:56:24,172 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 04:56:24,174 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 04:56:24,174 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 04:56:24,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 04:56:24,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 04:56:14" (1/3) ... [2025-02-06 04:56:24,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d48bc83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:56:24, skipping insertion in model container [2025-02-06 04:56:24,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 04:56:16" (2/3) ... [2025-02-06 04:56:24,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d48bc83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 04:56:24, skipping insertion in model container [2025-02-06 04:56:24,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 04:56:24" (3/3) ... [2025-02-06 04:56:24,179 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_harness_negated.i [2025-02-06 04:56:24,188 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 04:56:24,189 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_harness_negated.i that has 14 procedures, 153 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-06 04:56:24,223 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 04:56:24,231 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;@230d893b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 04:56:24,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 04:56:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 92 states have (on average 1.2282608695652173) internal successors, (113), 93 states have internal predecessors, (113), 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) [2025-02-06 04:56:24,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 04:56:24,241 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 04:56:24,242 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, 1] [2025-02-06 04:56:24,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 04:56:24,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 04:56:24,245 INFO L85 PathProgramCache]: Analyzing trace with hash 496265641, now seen corresponding path program 1 times [2025-02-06 04:56:24,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 04:56:24,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410396377] [2025-02-06 04:56:24,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:56:24,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 04:57:30,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 04:57:31,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 04:57:31,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 04:57:31,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 04:57:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-02-06 04:57:31,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 04:57:31,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410396377] [2025-02-06 04:57:31,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410396377] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 04:57:31,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141687569] [2025-02-06 04:57:31,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 04:57:31,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 04:57:31,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 04:57:31,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 04:57:31,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process