./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_cursor_compare_lexical_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 c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:07:52,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:07:52,306 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:07:52,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:07:52,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:07:52,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:07:52,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:07:52,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:07:52,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:07:52,332 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:07:52,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:07:52,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:07:52,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:07:52,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:07:52,334 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:07:52,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:07:52,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:07:52,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:07:52,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:07:52,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:07:52,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:07:52,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:07:52,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:07:52,335 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:07:52,335 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:07:52,335 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:07:52,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:07:52,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:07:52,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:07:52,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:07:52,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:07:52,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:07:52,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:07:52,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:07:52,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:07:52,337 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 -> c3c4a9e584379924ee65c46a83a6da8fed615179d4e8c5775609e5e7922fb6da [2025-01-09 17:07:52,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:07:52,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:07:52,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:07:52,582 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:07:52,583 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:07:52,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2025-01-09 17:07:53,698 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4b32ac203/ce5648bd1cc5426cab4b4e5235a0b9b6/FLAG73d9f3f28 [2025-01-09 17:07:54,157 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:07:54,159 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lexical_harness_negated.i [2025-01-09 17:07:54,184 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4b32ac203/ce5648bd1cc5426cab4b4e5235a0b9b6/FLAG73d9f3f28 [2025-01-09 17:07:54,257 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4b32ac203/ce5648bd1cc5426cab4b4e5235a0b9b6 [2025-01-09 17:07:54,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:07:54,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:07:54,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:07:54,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:07:54,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:07:54,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:07:54" (1/1) ... [2025-01-09 17:07:54,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31554bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:54, skipping insertion in model container [2025-01-09 17:07:54,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:07:54" (1/1) ... [2025-01-09 17:07:54,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:07:54,456 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_cursor_compare_lexical_harness_negated.i[4505,4518] [2025-01-09 17:07:54,460 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_cursor_compare_lexical_harness_negated.i[4565,4578] [2025-01-09 17:07:54,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:54,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:54,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:54,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:54,855 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:54,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:54,864 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:54,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:54,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,211 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,212 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:07:55,320 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:07:55,328 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_cursor_compare_lexical_harness_negated.i[4505,4518] [2025-01-09 17:07:55,330 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_cursor_compare_lexical_harness_negated.i[4565,4578] [2025-01-09 17:07:55,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,364 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,368 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,369 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,454 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-01-09 17:07:55,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,456 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:07:55,470 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-01-09 17:07:55,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:07:55,643 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:07:55,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55 WrapperNode [2025-01-09 17:07:55,646 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:07:55,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:07:55,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:07:55,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:07:55,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,781 INFO L138 Inliner]: procedures = 680, calls = 2654, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 928 [2025-01-09 17:07:55,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:07:55,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:07:55,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:07:55,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:07:55,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,862 INFO L175 MemorySlicer]: Split 558 memory accesses to 7 slices as follows [2, 257, 238, 4, 46, 6, 5]. 46 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 4, 0, 5]. The 494 writes are split as follows [0, 257, 232, 0, 3, 2, 0]. [2025-01-09 17:07:55,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,887 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:07:55,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:07:55,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:07:55,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:07:55,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (1/1) ... [2025-01-09 17:07:55,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:07:55,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:07:55,936 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) [2025-01-09 17:07:55,941 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 [2025-01-09 17:07:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-01-09 17:07:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-01-09 17:07:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lexical [2025-01-09 17:07:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lexical [2025-01-09 17:07:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:07:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:07:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:07:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:07:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:07:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:07:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:07:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:07:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:07:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 17:07:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-01-09 17:07:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:07:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-01-09 17:07:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:07:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:07:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-01-09 17:07:55,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-01-09 17:07:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:07:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:07:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:07:55,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:07:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:07:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:07:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:07:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:07:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 17:07:56,208 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:07:56,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:08:03,402 INFO L? ?]: Removed 95 outVars from TransFormulas that were not future-live. [2025-01-09 17:08:03,402 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:08:03,409 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:08:03,409 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 17:08:03,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:08:03 BoogieIcfgContainer [2025-01-09 17:08:03,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:08:03,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:08:03,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:08:03,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:08:03,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:07:54" (1/3) ... [2025-01-09 17:08:03,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af94227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:08:03, skipping insertion in model container [2025-01-09 17:08:03,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:07:55" (2/3) ... [2025-01-09 17:08:03,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af94227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:08:03, skipping insertion in model container [2025-01-09 17:08:03,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:08:03" (3/3) ... [2025-01-09 17:08:03,422 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lexical_harness_negated.i [2025-01-09 17:08:03,435 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:08:03,439 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lexical_harness_negated.i that has 12 procedures, 149 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 17:08:03,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:08:03,483 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;@3478734, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:08:03,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:08:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 90 states have (on average 1.2222222222222223) internal successors, (110), 91 states have internal predecessors, (110), 46 states have call successors, (46), 11 states have call predecessors, (46), 11 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-09 17:08:03,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-09 17:08:03,493 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:08:03,493 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1] [2025-01-09 17:08:03,493 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:08:03,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:08:03,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1411432407, now seen corresponding path program 1 times [2025-01-09 17:08:03,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:08:03,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053502995] [2025-01-09 17:08:03,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:08:03,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:09:10,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-09 17:09:10,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-09 17:09:10,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:09:10,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:09:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2025-01-09 17:09:11,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:09:11,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053502995] [2025-01-09 17:09:11,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053502995] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:09:11,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862226270] [2025-01-09 17:09:11,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:09:11,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:09:11,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:09:11,539 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) [2025-01-09 17:09:11,577 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