./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:56:30,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:56:30,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:56:30,616 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:56:30,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:56:30,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:56:30,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:56:30,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:56:30,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:56:30,641 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:56:30,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:56:30,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:56:30,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:56:30,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:56:30,642 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:56:30,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:56:30,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:56:30,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:56:30,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:56:30,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:56:30,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:56:30,643 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:56:30,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:56:30,643 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:56:30,644 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 -> e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 [2025-03-08 17:56:30,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:56:30,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:56:30,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:56:30,886 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:56:30,886 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:56:30,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-03-08 17:56:32,063 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87037a253/f467fb705dad45b397ab09570cbf9896/FLAG9a41d49a5 [2025-03-08 17:56:32,503 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:56:32,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-03-08 17:56:32,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87037a253/f467fb705dad45b397ab09570cbf9896/FLAG9a41d49a5 [2025-03-08 17:56:32,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87037a253/f467fb705dad45b397ab09570cbf9896 [2025-03-08 17:56:32,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:56:32,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:56:32,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:56:32,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:56:32,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:56:32,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:56:32" (1/1) ... [2025-03-08 17:56:32,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4fb8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:32, skipping insertion in model container [2025-03-08 17:56:32,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:56:32" (1/1) ... [2025-03-08 17:56:32,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:56:32,813 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_compare_lookup_harness_negated.i[4504,4517] [2025-03-08 17:56:32,821 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_compare_lookup_harness_negated.i[4564,4577] [2025-03-08 17:56:33,375 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,389 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:56:33,913 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:56:33,926 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_compare_lookup_harness_negated.i[4504,4517] [2025-03-08 17:56:33,926 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_compare_lookup_harness_negated.i[4564,4577] [2025-03-08 17:56:33,964 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,965 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,966 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,974 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,975 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:33,976 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:34,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-03-08 17:56:34,075 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:34,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:56:34,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-03-08 17:56:34,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:56:34,263 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:56:34,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34 WrapperNode [2025-03-08 17:56:34,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:56:34,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:56:34,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:56:34,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:56:34,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,407 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-03-08 17:56:34,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:56:34,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:56:34,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:56:34,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:56:34,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,422 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,471 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 4, 34, 6, 2, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 4, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 0, 3, 2, 0, 0]. [2025-03-08 17:56:34,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:56:34,549 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:56:34,549 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:56:34,549 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:56:34,550 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (1/1) ... [2025-03-08 17:56:34,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:56:34,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:56:34,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:56:34,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:56:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:56:34,600 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:56:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:56:34,600 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:56:34,601 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:56:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:56:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:56:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:56:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:56:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:56:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:56:34,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-08 17:56:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:56:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:56:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-08 17:56:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:56:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:56:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:56:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:56:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:56:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:56:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-08 17:56:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-03-08 17:56:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:56:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:56:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 17:56:34,848 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:56:34,850 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:56:34,880 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:56:34,915 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:56:34,941 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-03-08 17:56:34,954 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:56:34,995 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: 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; [2025-03-08 17:56:41,746 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-03-08 17:56:41,747 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:56:41,757 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:56:41,757 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:56:41,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:56:41 BoogieIcfgContainer [2025-03-08 17:56:41,758 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:56:41,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:56:41,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:56:41,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:56:41,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:56:32" (1/3) ... [2025-03-08 17:56:41,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19275ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:56:41, skipping insertion in model container [2025-03-08 17:56:41,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:56:34" (2/3) ... [2025-03-08 17:56:41,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19275ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:56:41, skipping insertion in model container [2025-03-08 17:56:41,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:56:41" (3/3) ... [2025-03-08 17:56:41,765 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness_negated.i [2025-03-08 17:56:41,774 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:56:41,776 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lookup_harness_negated.i that has 11 procedures, 133 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 17:56:41,819 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:56:41,826 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;@543dc231, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:56:41,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:56:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.25) internal successors, (100), 81 states have internal predecessors, (100), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-03-08 17:56:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-08 17:56:41,837 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:56:41,838 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-03-08 17:56:41,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:56:41,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:56:41,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1109241577, now seen corresponding path program 1 times [2025-03-08 17:56:41,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:56:41,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077201876] [2025-03-08 17:56:41,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:56:41,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:57:49,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-08 17:57:49,739 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-08 17:57:49,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:57:49,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:57:50,413 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-03-08 17:57:50,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:57:50,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077201876] [2025-03-08 17:57:50,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077201876] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:57:50,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258579445] [2025-03-08 17:57:50,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:57:50,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:57:50,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:57:50,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:57:50,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process