./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d 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_string_eq_byte_buf_harness.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 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 02:00:37,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 02:00:37,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 02:00:37,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 02:00:37,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 02:00:37,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 02:00:37,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 02:00:37,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 02:00:37,552 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 02:00:37,552 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 02:00:37,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 02:00:37,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 02:00:37,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 02:00:37,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 02:00:37,554 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 02:00:37,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 02:00:37,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 02:00:37,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 02:00:37,555 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 02:00:37,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:37,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 02:00:37,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 02:00:37,556 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 02:00:37,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 02:00:37,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 02:00:37,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 02:00:37,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 02:00:37,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 02:00:37,556 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 02:00:37,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 02:00:37,557 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 -> 69a4e17497471d2fff231bad199d28dc26e616d1fdaf7fc57a8b45b8dfdd40ce [2025-02-08 02:00:37,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 02:00:37,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 02:00:37,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 02:00:37,814 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 02:00:37,814 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 02:00:37,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-02-08 02:00:39,006 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b0d394f57/c643fda08b0147e2a50d9c38a6d522ea/FLAG96c93a7ba [2025-02-08 02:00:39,489 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 02:00:39,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness.i [2025-02-08 02:00:39,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b0d394f57/c643fda08b0147e2a50d9c38a6d522ea/FLAG96c93a7ba [2025-02-08 02:00:39,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b0d394f57/c643fda08b0147e2a50d9c38a6d522ea [2025-02-08 02:00:39,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 02:00:39,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 02:00:39,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:39,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 02:00:39,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 02:00:39,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:39,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d00e625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39, skipping insertion in model container [2025-02-08 02:00:39,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:39,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 02:00:39,816 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_string_eq_byte_buf_harness.i[4496,4509] [2025-02-08 02:00:39,823 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_string_eq_byte_buf_harness.i[4556,4569] [2025-02-08 02:00:40,412 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,416 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,418 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,431 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,432 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,432 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,883 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,885 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:40,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:40,993 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 02:00:41,003 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_string_eq_byte_buf_harness.i[4496,4509] [2025-02-08 02:00:41,004 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_string_eq_byte_buf_harness.i[4556,4569] [2025-02-08 02:00:41,039 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,040 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,041 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,041 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,045 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,046 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,048 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-02-08 02:00:41,159 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,159 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:41,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-02-08 02:00:41,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:41,358 INFO L204 MainTranslator]: Completed translation [2025-02-08 02:00:41,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41 WrapperNode [2025-02-08 02:00:41,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:41,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:41,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 02:00:41,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 02:00:41,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,483 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2025-02-08 02:00:41,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:41,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 02:00:41,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 02:00:41,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 02:00:41,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,507 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,566 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 238, 20, 16, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 6, 4, 16, 5]. The 494 writes are split as follows [0, 257, 232, 2, 0, 3]. [2025-02-08 02:00:41,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,598 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 02:00:41,611 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 02:00:41,612 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 02:00:41,612 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 02:00:41,612 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (1/1) ... [2025-02-08 02:00:41,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:41,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:00:41,641 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) [2025-02-08 02:00:41,673 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 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 02:00:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 02:00:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 02:00:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 02:00:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 02:00:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 02:00:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 02:00:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 02:00:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-08 02:00:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 02:00:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 02:00:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 02:00:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 02:00:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 02:00:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 02:00:41,914 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 02:00:41,915 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 02:00:41,955 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 02:00:41,985 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 02:00:41,990 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 02:00:42,000 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7703: havoc #t~nondet817; [2025-02-08 02:00:42,046 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7361: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-02-08 02:00:42,060 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 02:00:42,087 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-08 02:00:48,957 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L9408: havoc aws_string_eq_byte_buf_#t~mem1318#1;havoc aws_string_eq_byte_buf_#t~mem1319#1.base, aws_string_eq_byte_buf_#t~mem1319#1.offset;havoc aws_string_eq_byte_buf_#t~mem1320#1;havoc aws_string_eq_byte_buf_#t~ret1321#1; [2025-02-08 02:00:48,958 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 02:00:48,988 INFO L? ?]: Removed 103 outVars from TransFormulas that were not future-live. [2025-02-08 02:00:48,988 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 02:00:48,995 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 02:00:48,995 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 02:00:48,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:00:48 BoogieIcfgContainer [2025-02-08 02:00:48,996 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 02:00:48,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 02:00:48,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 02:00:49,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 02:00:49,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:00:39" (1/3) ... [2025-02-08 02:00:49,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc2a555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:00:49, skipping insertion in model container [2025-02-08 02:00:49,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:41" (2/3) ... [2025-02-08 02:00:49,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc2a555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:00:49, skipping insertion in model container [2025-02-08 02:00:49,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:00:48" (3/3) ... [2025-02-08 02:00:49,003 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness.i [2025-02-08 02:00:49,014 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 02:00:49,018 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_eq_byte_buf_harness.i that has 11 procedures, 125 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 02:00:49,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 02:00:49,069 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;@3a950965, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 02:00:49,069 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 02:00:49,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-02-08 02:00:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 02:00:49,078 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:49,078 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 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] [2025-02-08 02:00:49,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 02:00:49,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:49,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1975818578, now seen corresponding path program 1 times [2025-02-08 02:00:49,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:49,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328699281] [2025-02-08 02:00:49,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:49,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:01:55,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 02:01:56,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 02:01:56,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:01:56,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:01:56,967 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-08 02:01:56,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:01:56,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328699281] [2025-02-08 02:01:56,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328699281] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:01:56,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849171165] [2025-02-08 02:01:56,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:01:56,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:01:56,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:01:56,973 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) [2025-02-08 02:01:56,975 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